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Used
2020 GMC Sierra 1500 trucks
for sale
near
Pasadena, TX
20 matches
30 miles from 77508
Be the first to know!
Est.
$400
/mo*
- Down Payment
- $0
- Net trade-in value
- $0
- Months
- 72
- APR
- 7.0%
- Sales tax
- 0.0%
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
Used
2020 GMC Sierra 1500 Denali
40,091 mi.
$42,497
Group 1 Buick GMC South
Vehicle information
Ext. color: Dark Sky Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-22
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: LG322692
VIN: 3GTU9FET1LG322692
Features
Convenience:
Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Backup Camera, Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Group 1 Buick GMC South review
Jessica was an amazing super friendly, nice responsive
Jessica was an amazing super friendly, nice responsive best Service tech I?ve ever experienced. Would highly recommend come to you for service again. So nice and friendly.
2020 GMC Sierra 1500 Denali review
Any reviews on this vehicle is not correct.
Any reviews on this vehicle is not correct. We are first owners and it’s been an excellent truck. We hate to see it go !
Used
2020 GMC Sierra 1500 SLT
103,086 mi.
$33,990
Group 1 Toyota Southwest Houston
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Dark Walnut/Slate
Drivetrain: Four-wheel Drive
MPG:
15-20
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
Stock #: LG185504
VIN: 3GTU9DEL5LG185504
Features
Convenience:
Adaptive Cruise Control, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Group 1 Toyota Southwest Houston review
Ernest did a good job, he made sure that my car was
Ernest did a good job, he made sure that my car was serviced properly and on time as he promised me. Next time my car need service I will make sure that he is involved with the repairs
2020 GMC Sierra 1500 SLT review
Great truck!
I bought my 2020 with 36k miles a couple of years ago and I now have 60k miles of trouble free very enjoyable driving. It was expensive, but worth every penny. The ride is so quiet and comfortable my wife and I prefer traveling in it instead of our 2018 Acura MDX which we also love. The 5.3 V8 has plenty of power and towing ability. The multi-function tail gate is genius, I hope to never be without one again. We so enjoy all the bells and whistles, especially the wireless phone charger. So glad I bought this truck!
Used
2020 GMC Sierra 1500 Denali
94,603 mi.
$37,995
Tony T Chrysler Dodge Jeep Ram of Gulfgate
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Dark Walnut/Dark Ash Grey
Drivetrain: Four-wheel Drive
MPG:
22-26
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: GP000426
VIN: 3GTU9FET1LG263448
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
2020 GMC Sierra 1500 Denali review
Short turn radius
I purchased pre-owned 2020 1500 SLT in February of this year. The truck rides comfortable and has plenty of room front and rear. My and I both enjoy it. My only drawback is the turn radius (lock to lock). It lacks compared to my wife's 2018 Yukon SLT, or the 2016 Ram I traded in. Have to many times maneuver twice to park it going forward or reverse. Otherwise happy with our purchase.
Used
2020 GMC Sierra 1500 SLT
79,155 mi.
$33,991
Helfman Ford - Stafford
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Rear-wheel Drive
MPG:
17-24
Fuel type: Gasoline
Transmission: 8-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: Z105854
VIN: 1GTP8DED5LZ105854
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Power Folding Mirrors, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Backup Camera, Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Helfman Ford - Stafford review
Outstanding Experience with Amir at Helfman Ford!
Outstanding Experience with Amir at Helfman Ford! I recently purchased a 2024 Ford Expedition Max from Helfman Ford, and I have to give a huge shoutout to Amir for making the entire process seamless and enjoyable. From the moment I walked in, Amir was professional, knowledgeable, and genuinely invested in helping me find the right vehicle. He took the time to answer every question with clarity, and never once made me feel rushed or pressured. His attention to detail and commitment to customer satisfaction were truly impressive. What really stood out was Amir’s ability to make the experience feel personal. He listened to what I needed, offered thoughtful recommendations, and made sure I was comfortable every step of the way. The Expedition Max is an incredible vehicle, and Amir made sure I drove off the lot feeling confident and excited. If you're in the market for a new Ford, I highly recommend asking for Amir at Helfman Ford. You won’t just get a great car—you’ll get top-tier service from someone who genuinely cares.
2020 GMC Sierra 1500 SLT review
Great Truck
I did my research and test drove several models. The GMC 1500 Duramax does everything I want it to do and more. Great gas milage, nice power and very comfortable.
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-21
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: SFC46605A
VIN: 3GTP9EED5LG341097
Features
Convenience:
Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Cook Ford review
Review over my experience
Gabriel Salesman Welcomed me and helped me with every question I had and had very good attitude and made me feel welcomed
2020 GMC Sierra 1500 AT4 review
Best truck we have owned!
Truck meets my and my wife's needs. She loves her and I do to! Love sport mode and the tow hail mode. Rides like a Cadillac!
Used
2020 GMC Sierra 1500 Elevation
58,150 mi.
$28,997
Group 1 Buick GMC South
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Jet Black
Drivetrain: Rear-wheel Drive
MPG:
20-23
Fuel type: Gasoline
Transmission: 8-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: LZ143352
VIN: 1GTR8CED2LZ143352
Features
Convenience:
Keyless Start, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port
Exterior:
Alloy Wheels
Safety:
Backup Camera, Brake Assist, Stability Control
Reviews
Group 1 Buick GMC South review
Young man taking care of my vehicle service has been
Young man taking care of my vehicle service has been solid. Keeps in contact throughout the process. Not all service reps are like Christian Arrellano. Great kid.
Used
2020 GMC Sierra 1500 AT4
39,228 mi.
$51,900
Auto Boutique Texas
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
15-19
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
Stock #: T27080
VIN: 3GTP9EEL9LG199666
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Auto Boutique Texas review
Loved it nice clean cars very happy with my purchase and
Loved it nice clean cars very happy with my purchase and car it’s beautiful
Used
2020 GMC Sierra 1500 SLT
119,129 mi.
$31,595
Tony T Chrysler Dodge Jeep Ram of Gulfgate
Vehicle information
Ext. color: Quicksilver Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
15-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
Stock #: GP000368A
VIN: 3GTU9DEL9LG154773
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2020 GMC Sierra 1500 Elevation
177,117 mi.
$18,850
SW Auto LLC
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Dark Walnut/Slate
Drivetrain: Rear-wheel Drive
MPG:
17-24
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: 124009
VIN: 3GTP8CED5LG124009
Features
Convenience:
Heated Seats, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Reviews
SW Auto LLC review
Super deal
I was looking for a e-class Mercedes and sw auto has the lowest price and the vehicle was very clean thanks Joan for all the help
Used
2020 GMC Sierra 1500 SLT
130,204 mi.
$28,199
Demontrond Buick GMC
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-22
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V8
Stock #: SLG188297
VIN: 3GTU9DED7LG188297
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Demontrond Buick GMC review
They guy Joel does a great job and great person love his
They guy Joel does a great job and great person love his customer service i will be back again for another oil change because of him
Used
2020 GMC Sierra 1500 Denali
49,830 mi.
$39,991
Gay Family Auto
Vehicle information
Ext. color: White Frost Tri-Coat
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-22
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: 048149A
VIN: 3GTU9FEL0LG331688
Features
Convenience:
Adaptive Cruise Control, Heated Seats, Heated Steering Wheel, Keyless Entry, Navigation System, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Gay Family Auto review
Great experience!
I received excellent service from everyone who helped with my car purchase. Everyone worked hard to make sure that I was satisfied with my purchase, and I really appreciate the patience and helpfulness that I was shown.
Certified
2020 GMC Sierra 1500 AT4
75,397 mi.
$34,991
Helfman Ford - Stafford
Vehicle information
Ext. color: Pacific Blue Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-21
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: G216935
VIN: 3GTP9EEL9LG216935
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Steering Wheel, Keyless Start, Navigation System, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Helfman Ford - Stafford review
Easy and seamless car buying experience.
Easy and seamless car buying experience. We told Jonathan that we did not want to be in the dealership all day and that I have had bad experiences in the past. This was the quickest easiest car buying experience and everyone was very kind during the process. Would recommend asking for Jonathan.
Used
2020 GMC Sierra 1500 SLT
97,649 mi.
$27,995
Group 1 GMC Southwest
Vehicle information
Ext. color: Carbon Black Metallic
Int. color: Dark Walnut
Drivetrain: Rear-wheel Drive
MPG:
17-24
Fuel type: Gasoline
Transmission: 8-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: LZ293761
VIN: 1GTP8DED5LZ293761
Features
Convenience:
Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Backup Camera, Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Group 1 GMC Southwest review
Always a pleasure to have Aaron take care of my trucks
Always a pleasure to have Aaron take care of my trucks needs, he?s very helpful and always listens to my concerns, very glad he was able to help me out with my truck issues and get me on the schedule last minute. Very grateful for him being a part of the GMC team
Used
2020 GMC Sierra 1500 SLT
145,594 mi.
$24,887
Group 1 Buick GMC South
Vehicle information
Ext. color: Quicksilver Metallic
Int. color: Jet Black
Drivetrain: Rear-wheel Drive
MPG:
17-24
Fuel type: Gasoline
Transmission: 8-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: LG354135
VIN: 3GTP8DED1LG354135
Features
Convenience:
Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Backup Camera, Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Group 1 Buick GMC South review
I was very satisfied!
I was very satisfied! And l would recommended anyone to Buick dealership! The salesman was very reliable and respectful towards me purchasing the genesis vehicle. I was not pressured and l was comfortable.
No photo available
Used
2020 GMC Sierra 1500 Elevation
63,077 mi.
$28,905
Auto Boutique Texas
Vehicle information
Ext. color: Deep Mahogany Metallic
Int. color: Jet Black
Drivetrain: Rear-wheel Drive
MPG:
17-24
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: T27309
VIN: 3GTP8CED4LG126379
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Reviews
Auto Boutique Texas review
Very professional, great group.
Very professional, great group. Last Tesla I bought was purchased from a group that sells 50-65 teslas a month (idrive in Carrolton tx). Auto Boutique surprised me, and managed a Tesla sale like a group that sells 10x more of these technically challenging vehicles. They got the car added to my Tesla app quickly and I left the dealership able to supercharge and drive 6 hours to my home. The young guys ( Ethen Beck and Enrique Ovalles) were very Tesla literate. I'm a contributor to a tesla owners forum and have over 4 million content views, so I'm not a Tesla Newbie. I have a 2016 model s p85, a 2021 model y dual motor, and now a 2021 refresh model s long range to replace the aging ap1 car. These guys had the recurrent battery report in addition to the carfax so I could skip checking the battery. Staff went into service mode and we checked the error log. They got an update to post before adding the car and so I drove off in great shape!
Used
2020 GMC Sierra 1500 Elevation
66,779 mi.
$28,897
Baytown Ford
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Rear-wheel Drive
MPG:
17-23
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: BLZ185882
VIN: 1GTR8CEDXLZ185882
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Reviews
Baytown Ford review
Once we came together on my needs it was pleasant.
Once we came together on my needs it was pleasant. Sales manager and sales person were good to me after we got some details hammered out
Used
2020 GMC Sierra 1500 Elevation
80,983 mi.
$23,091
USA Direct Auto
Vehicle information
Ext. color: Summit White
Int. color: Black
Drivetrain: Four-wheel Drive
MPG:
19-22
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: 342464
VIN: 1GTR9CED4LZ342464
Features
Convenience:
Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port
Exterior:
Alloy Wheels, Tow Hooks
Safety:
Backup Camera, Brake Assist, Stability Control
Used
2020 GMC Sierra 1500 SLT
47,173 mi.
$36,295
Group 1 GMC Southwest
Vehicle information
Ext. color: Quicksilver Metallic
Int. color: Dark Walnut
Drivetrain: Rear-wheel Drive
MPG:
17-24
Fuel type: Gasoline
Transmission: 8-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: LG317010
VIN: 3GTP8DED5LG317010
Features
Convenience:
Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Backup Camera, Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Group 1 GMC Southwest review
we dind have a book appointment for the service and the
we dind have a book appointment for the service and the guy who helps us was really nice faster the process as we had our daughters with us
Vehicle information
Ext. color: Red Quartz Tintcoat
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-21
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: T186406
VIN: 3GTP9EEL6LG186406
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Easy Honda review
Miss Laurel Williams was the best !
Miss Laurel Williams was the best ! I got a really great deal Love my new crv
No photo available
Used
2020 GMC Sierra 1500 Denali
118,934 mi.
$39,995
Garden Auto Sales
Vehicle information
Ext. color: Pacific Blue Metallic
Int. color: Jet Black
Drivetrain: Rear-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 279376
VIN: 3GTP8FET5LG279376
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
There are additional matching cars outside your search area.
Partial matches are generated by applying your search criteria to a larger search area. Our goal is to help you discover additional cars that match your search preferences.
As a benefit to some of our dealer customers, we display their listings first.
Used
2020 GMC Sierra 1500 Denali
64,294 mi.
$40,991
Classic Elite Buick GMC
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-22
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: TLG205019
VIN: 3GTU9FET7LG205019
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Navigation System, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2020 GMC Sierra 1500 SLT
79,907 mi.
$29,999
Audi West Houston
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Jet Black
Drivetrain: Rear-wheel Drive
MPG:
17-23
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: TLG368140
VIN: 3GTP8DED9LG368140
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2020 GMC Sierra 1500 SLT
54,951 mi.
$34,695
Group 1 Buick GMC North
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Dark Walnut
Drivetrain: Rear-wheel Drive
MPG:
17-24
Fuel type: Gasoline
Transmission: 8-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: LG154950
VIN: 3GTP8DED4LG154950
Features
Convenience:
Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Backup Camera, Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2020 GMC Sierra 1500 Elevation
126,433 mi.
$25,485
Group 1 Buick GMC North
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Rear-wheel Drive
MPG:
20-23
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: LG358204
VIN: 3GTP8CET1LG358204
Features
Convenience:
Keyless Start, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port
Exterior:
Alloy Wheels
Safety:
Backup Camera, Brake Assist, Stability Control
Used
2020 GMC Sierra 1500 AT4
89,953 mi.
$35,991
Classic Elite Buick GMC
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-21
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: PLG222312
VIN: 3GTP9EEL3LG222312
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2020 GMC Sierra 1500 Elevation
119,882 mi.
$22,998
Group 1 Chevrolet Spring
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Rear-wheel Drive
MPG:
20-23
Fuel type: Gasoline
Transmission: 8-Speed Automatic
Engine: 2.7L I4 16V GDI DOHC Turbo
Stock #: LG104570
VIN: 3GTP8CEK7LG104570
Features
Convenience:
Keyless Start, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port
Exterior:
Alloy Wheels
Safety:
Backup Camera, Brake Assist, Stability Control
Used
2020 GMC Sierra 1500 Elevation
105,171 mi.
$24,995
America's Auto Financial
Vehicle information
Ext. color: Pacific Blue Metallic
Int. color: Jet Black
Drivetrain: Rear-wheel Drive
MPG:
20-23
Fuel type: Gasoline
Transmission: Automatic, 8-Spd w/Overdrive
Engine: 2.7L I-4 gasoline direct injection, DOHC, variable valve control
Stock #: 2888
VIN: 1GTR8CEK6LZ286772
Features
Convenience:
Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Used
2020 GMC Sierra 1500 SLT
158,215 mi.
$23,495
Severo
Private seller
Vehicle information
Ext. color: Blue
Int. color: Black
Drivetrain: Rear-wheel Drive
MPG:
17-23
Fuel type: Gasoline
Transmission: 10-Speed A/T
Engine: 355.0HP 5.3L 8 Cylinder Engine Gasoline Fuel
VIN: 3GTP8DED5LG380320
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Power Liftgate, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, CD Player, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Backup Camera, Blind Spot Monitor, LED Headlights, Lane Departure Warning, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2020 GMC Sierra 1500 SLT
92,574 mi.
$27,999
Lone Star Chevrolet
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Dark Walnut/Slate
Drivetrain: Rear-wheel Drive
MPG:
17-23
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: TLG445878
VIN: 3GTP8DED9LG445878
Features
Convenience:
Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating:
Leather Seats, Memory Seat
No photo available
Vehicle information
Ext. color: Red Quartz Tintcoat
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-22
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: TC5439A
VIN: 3GTU9DEL4LG195165
Features
Convenience:
Adaptive Cruise Control, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
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GMC Sierra 1500 prices by year
| Model year | Average price | Deals |
|---|---|---|
| 2026 GMC Sierra 1500 | $59,049 | 1 Good deal |
| 2025 GMC Sierra 1500 | $56,885 | 6 Great deals |
| 2024 GMC Sierra 1500 | $47,788 | 6 Great deals |
| 2023 GMC Sierra 1500 | $48,288 | 8 Good deals |
| 2022 GMC Sierra 1500 | $42,868 | 13 Good deals |
| 2021 GMC Sierra 1500 | $35,360 | 8 Great deals |
| 2019 GMC Sierra 1500 | $29,750 | 4 Good deals |
| 2018 GMC Sierra 1500 | $25,141 | 9 Great deals |
About the 2020 GMC Sierra 1500
Base shown (base trim).
- Seating
- 3
- Door count
- 2
- Drivetrain
- Rear-wheel drive
- Combined MPG
- 17
- Transmission
- 6-Speed A/T
- Engine
- 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)
How much does the 2020 GMC Sierra 1500 cost?
The 2020 GMC Sierra 1500 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2020 Sierra 1500 is $33,958, with pricing starting at $15,900.
What is the MPG of the 2020 GMC Sierra 1500?
The 2020 GMC Sierra 1500 offers up to 15 MPG in city driving and 21 MPG on the highway for a combined rating of 17 MPG.
These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle trim, driving conditions, driving habits, vehicle maintenance, and other factors.
What are some similar vehicles and competitors of the 2020 GMC Sierra 1500?
The 2020 GMC Sierra 1500 compares to and/or competes against the following vehicles:
Is the 2020 GMC Sierra 1500 reliable?
The 2020 GMC Sierra 1500 has an average reliability rating of 4.7 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2020 Sierra 1500 owners.
Is the 2020 GMC Sierra 1500 a good truck?
Below are the Cars.com consumer ratings for the 2020 GMC Sierra 1500.
Rating breakdown (out of 5):
- Comfort 4.9
- Interior 4.8
- Performance 4.8
- Value 4.6
- Exterior 4.9
- Reliability 4.7
91% of drivers recommend this car
Rating breakdown (out of 5):
- Comfort 4.9
- Interior 4.8
- Performance 4.8
- Value 4.6
- Exterior 4.9
- Reliability 4.7
AT4 (3 styles)
| Style | ||
|---|---|---|
| 4WD Double Cab 147" AT4 | 4WD Crew Cab 157" AT4 | 4WD Crew Cab 147" AT4 |
| Inventory price | ||
| Starting at $51,300 | Starting at $54,000 | Starting at $53,700 |
| Combined MPG | ||
| 18 | 18 | 18 |
| Engine | ||
| 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) |
Base (8 styles)
| Style | |||||||
|---|---|---|---|---|---|---|---|
| 4WD Crew Cab 157" | 2WD Double Cab 147" | 2WD Crew Cab 147" | 4WD Double Cab 147" | 2WD Crew Cab 157" | 4WD Crew Cab 147" | 4WD Reg Cab 140" | 2WD Reg Cab 140" |
| Inventory price | |||||||
| Starting at $39,500 | Starting at $33,500 | Starting at $35,900 | Starting at $36,800 | Starting at $36,200 | Starting at $39,200 | Starting at $34,200 | Starting at $29,600 |
| Combined MPG | |||||||
| 20 | 20 | 20 | 20 | 20 | 20 | 17 | 17 |
| Engine | |||||||
| 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) |
Denali (4 styles)
| Style | |||
|---|---|---|---|
| 2WD Crew Cab 157" Denali | 4WD Crew Cab 147" Denali | 4WD Crew Cab 157" Denali | 2WD Crew Cab 147" Denali |
| Inventory price | |||
| Starting at $55,400 | Starting at $58,600 | Starting at $58,900 | Starting at $55,100 |
| Combined MPG | |||
| 19 | 18 | 18 | 19 |
| Engine | |||
| 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) |
Elevation (6 styles)
| Style | |||||
|---|---|---|---|---|---|
| 4WD Crew Cab 157" Elevation | 2WD Double Cab 147" Elevation | 2WD Crew Cab 157" Elevation | 2WD Crew Cab 147" Elevation | 4WD Double Cab 147" Elevation | 4WD Crew Cab 147" Elevation |
| Inventory price | |||||
| Starting at $46,500 | Starting at $40,500 | Starting at $43,200 | Starting at $42,900 | Starting at $43,800 | Starting at $46,200 |
| Combined MPG | |||||
| 20 | 21 | 21 | 21 | 20 | 20 |
| Engine | |||||
| 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) |
SLE (6 styles)
| Style | |||||
|---|---|---|---|---|---|
| 2WD Crew Cab 157" SLE | 2WD Double Cab 147" SLE | 4WD Double Cab 147" SLE | 2WD Crew Cab 147" SLE | 4WD Crew Cab 157" SLE | 4WD Crew Cab 147" SLE |
| Inventory price | |||||
| Starting at $40,700 | Starting at $38,000 | Starting at $41,300 | Starting at $40,400 | Starting at $44,000 | Starting at $43,700 |
| Combined MPG | |||||
| 21 | 21 | 20 | 20 | 20 | 20 |
| Engine | |||||
| 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) |
SLT (6 styles)
| Style | |||||
|---|---|---|---|---|---|
| 4WD Crew Cab 147" SLT | 2WD Crew Cab 147" SLT | 4WD Crew Cab 157" SLT | 4WD Double Cab 147" SLT | 2WD Double Cab 147" SLT | 2WD Crew Cab 157" SLT |
| Inventory price | |||||
| Starting at $50,400 | Starting at $46,900 | Starting at $50,700 | Starting at $48,000 | Starting at $44,500 | Starting at $47,200 |
| Combined MPG | |||||
| 18 | 19 | 18 | 18 | 19 | 19 |
| Engine | |||||
| 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) |
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
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