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Used
2021 GMC Sierra 1500 SLT trucks
for sale
near
Sappington, MO
8 matches
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
2021 GMC Sierra 1500 SLT
32,610 mi.
$42,998
CarMax St. Louis South Lindbergh
Vehicle information
Ext. color: Gray
Int. color: BLACK
Drivetrain: Four-wheel Drive
MPG:
14-20
Fuel type: Gasoline
Transmission: Automatic
Engine: Gas
Stock #: 27865820
VIN: 1GTU9DED9MZ401378
Features
Convenience:
Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, HomeLink, Satellite Radio, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Backup Camera
Seating:
Leather Seats, Memory Seat
Reviews
2021 GMC Sierra 1500 SLT review
This truck has a jerk when changing gears sometimes.
This truck has a jerk when changing gears sometimes. I enjoy the truck overall easy to handle and comfortable. Drive with ease sight is good when driving.
Used
2021 GMC Sierra 1500 SLT
89,234 mi.
$32,990
Mylenbusch Auto Source
Vehicle information
Ext. color: Red
Int. color: Gray
Drivetrain: Four-wheel Drive
MPG:
20-20
Fuel type: Gasoline
Transmission: Automatic 8-Speed
Engine: 5.3L V8
Stock #: 9635
VIN: 3GTU9DED9MG372609
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, 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
Seating:
Leather Seats, Memory Seat
Reviews
Mylenbusch Auto Source review
Great experience!!!
Great experience with Mylenbusch. They help with every individual attention and their ability to work out deals with their customers faster.
2021 GMC Sierra 1500 SLT review
Brake Pad Monitor
2021 GMC sierra 1500, 5.3, crew cab 4x4, 21000 miles. brakepad monitor lites up. dealership says needs brakes and rotors in back. one mo. on warranty. our rural roads dirty up the monitor. Needs new monitor. brakes look great to me. No noises. dealer says parts on order GM strike. Can't replace myself cause of computer...
Used
2021 GMC Sierra 1500 SLT
23,140 mi.
$39,605
Dave Sinclair Buick GMC
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
22-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: T260634A
VIN: 3GTU9DET4MG167433
Features
Convenience:
Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, 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
Seating:
Leather Seats, Memory Seat
Reviews
Dave Sinclair Buick GMC review
Great team!
Great team! I Was a walk-in. Friendly helpful staff - went into look at a Canyon. I found the truck online. Salesman TJ helped with locating the truck and brought it up to the showroom. Even washed it prior to me seeing it ! Great financial staff. Quick and easy!! I Will return in the future for more vehicles.
2021 GMC Sierra 1500 SLT review
Nicest, best performing truck I've ever owned
My truck has a great appearance, inside and out. It is a pleasure to drive; and rides and performs great. It is the best truck I've ever owned.
Used
2021 GMC Sierra 1500 SLT
92,148 mi.
$35,234
Sapaugh GM Country
Vehicle information
Ext. color: Cardinal Red
Int. color: Jet Black, Perforated Leather-Appointed Front Outboard Seat Trim
Drivetrain: Four-wheel Drive
MPG:
14-20
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: 2555753
VIN: 3GTU9DED5MG350736
Features
Convenience:
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, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Sapaugh GM Country review
It was the best experience!
It was the best experience! So fast and easy! Ethan was great to work with! I will definitely be back to buy my next car!
2021 GMC Sierra 1500 SLT review
2021 GMC Sierra Denali
This is the nicest truck I have ever owned. Lots of features. Takes a while to learn what all it does but a really enjoyable vehicle.
Used
2021 GMC Sierra 1500 SLT
163,448 mi.
$23,995
Laura Buick GMC
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
14-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: L261342A
VIN: 3GTU9DED7MG238794
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
Reviews
Laura Buick GMC review
Easy to deal with.
Easy to deal with. Texas was very knowledgeable and caring and listened to my needs. Fast easy process highly recommend! Great place to do business!
2021 GMC Sierra 1500 SLT review
Great Buy!
This truck is amazing. Turning heads all over as we tour the area. Those riding with is also enjoy the comforts and safety features. Great Buy!
Used
2021 GMC Sierra 1500 SLT
89,586 mi.
$33,995
Laura Buick GMC
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
14-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: L264503A
VIN: 3GTU9DED1MG328989
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, 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
Laura Buick GMC review
Nick Pashos did an amazing job taking the time to make
Nick Pashos did an amazing job taking the time to make sure I was happy with my purchase. Michael Minner was great in finance with explaining all the details and working with me financially.
Used
2021 GMC Sierra 1500 SLT
83,057 mi.
$33,995
Laura Buick GMC
Vehicle information
Ext. color: Cayenne Red Tintcoat
Int. color: Dark Walnut
Drivetrain: Four-wheel Drive
MPG:
14-20
Fuel type: Gasoline
Transmission: 8-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: L26502A
VIN: 3GTU9DED5MG258042
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, 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
Reviews
Laura Buick GMC review
Gracie was awesome to work with.
Gracie was awesome to work with. I would recommend Laura gmc to anyone. They had a great inventory of trucks.
No photo available
Used
2021 GMC Sierra 1500 SLT
117,087 mi.
$31,900
O'Fallon Motors
Vehicle information
Ext. color: Summit White
Int. color: Dark Walnut/Slate
Drivetrain: Four-wheel Drive
MPG:
22-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 1838
VIN: 1GTU9DET9MZ158209
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®, 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
O'Fallon Motors review
Best car buying experience ever!!
Ryan helped my daughter make her first adult car purchase. He went above and beyond to make the car buying experience a fantastic experience for her. Everyone there were so friendly and down to earth with easy going demeanors. I would recommend them to anyone purchasing a car!!
There are 20 matching cars close to your year range.
Used
2020 GMC Sierra 1500 SLT
78,433 mi.
$34,995
Laura Buick GMC
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: 5.3L V8 16V GDI OHV
Stock #: L263634B
VIN: 3GTU9DED7LG255707
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, 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, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2020 GMC Sierra 1500 SLT
87,720 mi.
$32,794
$1,615 price drop
Lou Fusz Buick GMC
Vehicle information
Ext. color: Dark Sky Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-22
Fuel type: Gasoline
Transmission: Automatic
Engine: Gas V8 5.3L/325
Stock #: B14385SP
VIN: 3GTU9DED9LG370065
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, Tow Hooks
Safety:
Backup Camera, Brake Assist, Stability Control
Seating:
Memory Seat
Used
2020 GMC Sierra 1500 SLT
76,323 mi.
$34,995
Suntrup Kia South
Vehicle information
Ext. color: Summit White
Int. color: Dark Walnut/Slate
Drivetrain: Four-wheel Drive
MPG:
16-22
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: KT0439-1
VIN: 1GTU9DED9LZ315793
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
2022 GMC Sierra 1500 SLT
44,851 mi.
$37,997
$2,000 price drop
EchoPark Automotive St. Louis
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
14-19
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: PNG613250
VIN: 3GTUUDED2NG613250
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, 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, Lane Departure Warning, Rain Sensing Wipers, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2019 GMC Sierra 1500 SLT
56,986 mi.
$35,600
$300 price drop
INFINITI of Creve Coeur
Vehicle information
Ext. color: Dark Sky Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
15-21
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: IAKG258307
VIN: 3GTU9DED8KG258307
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, 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, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2023 GMC Sierra 1500 SLT
46,753 mi.
$43,995
Continental Auto Sales of Maryland Heights
Vehicle information
Ext. color: Titanium Rush Metallic
Int. color: Dark Walnut/Slate
Drivetrain: Four-wheel Drive
MPG:
16-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: C260090Y
VIN: 3GTUUDED8PG114150
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, Lane Departure Warning, Rain Sensing Wipers, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2023 GMC Sierra 1500 SLT
80,706 mi.
$38,974
Dave Sinclair Buick GMC
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-20
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: CT261051A
VIN: 3GTUUDED3PG188561
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, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2019 GMC Sierra 1500 SLT
102,694 mi.
$29,812
Weber Ford
Vehicle information
Ext. color: White Frost Tri-Coat
Int. color: Dark Walnut
Drivetrain: Four-wheel Drive
MPG:
15-21
Fuel type: Gasoline
Transmission: 8-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: 20034A
VIN: 3GTU9DED9KG152013
Features
Convenience:
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, Tow Hitch, Tow Hooks
Safety:
Backup Camera, Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2019 GMC Sierra 1500 SLT
52,773 mi.
$37,988
Dean Team Volvo Cars of Saint Louis
Vehicle information
Ext. color: Deep Mahogany Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
15-21
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: V8278
VIN: 1GTU9DED4KZ192029
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, 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
2023 GMC Sierra 1500 SLT
42,937 mi.
$41,497
EchoPark Automotive St. Louis
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-20
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: CPG107732
VIN: 3GTUUDED6PG107732
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, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2020 GMC Sierra 1500 SLT
90,215 mi.
$31,116
Dave Sinclair Lincoln St. Peters
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
22-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: LR175A
VIN: 3GTU9DET8LG295995
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, 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, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2023 GMC Sierra 1500 SLT
65,375 mi.
$41,658
Dave Sinclair Buick GMC
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-20
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: T260596A
VIN: 3GTUUDED0PG247873
Features
Convenience:
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, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2022 GMC Sierra 1500 SLT
41,000 mi.
$43,000
Clement Supercenter
Vehicle information
Ext. color: Quicksilver Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
14-19
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: A17042D
VIN: 3GTUUDET6NG605790
Features
Convenience:
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, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rain Sensing Wipers, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2020 GMC Sierra 1500 SLT
54,694 mi.
$37,500
Clement Supercenter
Vehicle information
Ext. color: Onyx Black
Int. color: Black
Drivetrain: Four-wheel Drive
MPG:
16-22
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: A16985N
VIN: 1GTU9DED6LZ377250
Features
Convenience:
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
Used
2019 GMC Sierra 1500 SLT
105,383 mi.
$31,800
Dave Sinclair Buick GMC
Vehicle information
Ext. color: Quicksilver Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
15-21
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: LT260597AA
VIN: 3GTU9DED3KG214019
Features
Convenience:
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, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2022 GMC Sierra 1500 SLT
45,099 mi.
$44,000
Clement Supercenter
Vehicle information
Ext. color: White Frost Tri-Coat
Int. color: Dark Walnut
Drivetrain: Four-wheel Drive
MPG:
14-19
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: A16031A
VIN: 3GTUUDED8NG579895
Features
Convenience:
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, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rain Sensing Wipers, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2023 GMC Sierra 1500 SLT
42,941 mi.
$41,299
$497 price drop
Lou Fusz Buick GMC
Vehicle information
Ext. color: Titanium Rush Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
16-20
Fuel type: Gasoline
Transmission: Automatic
Engine: Gas V8 5.3L/325
Stock #: B207814A
VIN: 3GTUUDEDXPG115851
Features
Convenience:
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, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2023 GMC Sierra 1500 SLT
49,950 mi.
$45,185
$122 price drop
Sapaugh GM Country
Vehicle information
Ext. color: Summit White
Int. color: Dark Walnut/Slate, Perforated Leather-Appointed Front Outboard S
Drivetrain: Four-wheel Drive
MPG:
14-19
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
Stock #: 267004
VIN: 3GTUUDEL3PG311833
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, Lane Departure Warning, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2020 GMC Sierra 1500 SLT
87,747 mi.
$34,995
Laura Buick GMC
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: 5.3L V8 16V GDI OHV
Stock #: L263224A
VIN: 1GTU9DED2LZ330409
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, 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
Used
2020 GMC Sierra 1500 SLT
132,197 mi.
$26,995
Laura Buick GMC
Vehicle information
Ext. color: Cardinal Red
Int. color: Dark Walnut
Drivetrain: Four-wheel Drive
MPG:
16-22
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: L263371A
VIN: 3GTU9DEDXLG310067
Features
Convenience:
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, 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 SLT |
About the 2021 GMC Sierra 1500 SLT
SLT shown.
- Seating
- 5
- Door count
- 4
- Drivetrain
- Rear Wheel Drive
- Combined MPG
- 17
- Transmission
- 10-Speed A/T
- Engine
- 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel)
How much does the 2021 GMC Sierra 1500 SLT cost?
The 2021 GMC Sierra 1500 SLT price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2021 Sierra 1500 SLT is $35,609, with pricing starting at $21,148.
What is the MPG of the 2021 GMC Sierra 1500 SLT?
The 2021 GMC Sierra 1500 SLT offers up to 15 MPG in city driving and 22 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 options, driving conditions, driving habits, vehicle maintenance, and other factors.
What are some similar vehicles and competitors of the 2021 GMC Sierra 1500 SLT?
The 2021 GMC Sierra 1500 SLT compares to and/or competes against the following vehicles:
Is the 2021 GMC Sierra 1500 SLT reliable?
The 2021 GMC Sierra 1500 has an average reliability rating of 3.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 Sierra 1500 owners.
60% of drivers recommend this car
Rating breakdown (out of 5):
- Comfort
- 4.2
- Interior
- 4.2
- Performance
- 3.8
- Value
- 3.6
- Exterior
- 4.3
- Reliability
- 3.5
SLT (3 styles)
| Style | ||
|---|---|---|
| 4WD Crew Cab 147" SLT | 2WD Crew Cab 147" SLT | 4WD Crew Cab 157" SLT |
| Inventory price | ||
| Starting at $50,800 | Starting at $47,500 | Starting at $51,100 |
| Combined MPG | ||
| 18 | 17 | 18 |
| 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) |
*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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This vehicle is certified pre-owned, backed by a manufacturer warranty, and typically undergoes a rigorous multi-point inspection to ensure quality and reliability.
This vehicle is currently in high demand given its competitive price, desirable features, and overall condition, and may have a higher chance of selling quickly.