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Used
2021 GMC Sierra 1500 trucks
for sale
near
Boulder, CO
23 matches
30 miles from 80309
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 AT4
49,883 mi.
$44,578
$595 price drop
Transwest GMC Denver
Vehicle information
Ext. color: Dark Sky Metallic
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 #: U16530
VIN: 1GTP9EEL6MZ408606
Features
Convenience:
Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, 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
Reviews
Transwest GMC Denver review
Rafael H was very attentive to what we were looking for
Rafael H was very attentive to what we were looking for in a clean used diesel p up . His assistance in our purchase with our purchase was very good . professional, not pushy Gerald & Kay Schreiber
2021 GMC Sierra 1500 AT4 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.
No photo available
Used
2021 GMC Sierra 1500 Elevation
73,511 mi.
Not Priced
Super Auto Company, Inc.
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 #: 12639
VIN: 3GTU9CET4MG358943
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, Brake Assist, LED Headlights, Stability Control
Reviews
Super Auto Company, Inc. review
Very good experience made the process easy left with a
Very good experience made the process easy left with a new car all the workers are great!
2021 GMC Sierra 1500 Elevation 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...
No photo available
Used
2021 GMC Sierra 1500 SLE
119,038 mi.
$28,499
$1,000 price drop
Yoder Chevrolet
Vehicle information
Ext. color: White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
18-21
Fuel type: Gasoline
Transmission: Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: C0448A
VIN: 1GTU9BED2MZ164513
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
Reviews
Yoder Chevrolet review
Seamless experience
Amazing experience .super patient and no hassle team, completely transparent Charles and Rick took good care of us! I would go back there again with my next purchase
2021 GMC Sierra 1500 SLE 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.
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
2021 GMC Sierra 1500 SLT
46,623 mi.
$43,889
Markley Motors
Vehicle information
Ext. color: White Frost Tricoat
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 #: G256281A
VIN: 3GTU9DEL1MG420028
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
Used
2021 GMC Sierra 1500 Elevation
83,529 mi.
$33,498
$500 price drop
Rocky Mountain Auto Brokers Inc.
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
18-21
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: RM16991
VIN: 3GTU9CET7MG455800
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, 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
Used
2021 GMC Sierra 1500 SLT
139,287 mi.
$30,998
$1,000 price drop
AutoNation Subaru Arapahoe
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Jet Black
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 #: MG478390
VIN: 3GTU9DEDXMG478390
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, 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
2021 GMC Sierra 1500 Elevation
75,866 mi.
$34,737
$1,057 price drop
Mike Maroone Honda
Vehicle information
Ext. color: Quicksilver Metallic
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 #: KH230698
VIN: 3GTU9CED1MG230698
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, Brake Assist, LED Headlights, Stability Control
Used
2021 GMC Sierra 1500 AT4
99,915 mi.
$34,098
Perkins Chrysler Dodge Jeep RAM
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 #: 594207A
VIN: 3GTP9EEDXMG350072
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
2021 GMC Sierra 1500 SLT
45,297 mi.
$41,999
$500 price drop
Weld County Garage
Vehicle information
Ext. color: Gray
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 #: D1370L
VIN: 3GTU9DED1MG222820
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
Vehicle information
Ext. color: Gray
Int. color: BLACK
Drivetrain: Four-wheel Drive
MPG:
16-22
Fuel type: Gasoline
Transmission: Automatic
Engine: Gas
Stock #: 27415558
VIN: 1GTU9FEL0MZ445319
Features
Convenience:
Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, HomeLink, Premium Sound System, Satellite Radio, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Backup Camera, Blind Spot Monitor, Lane Departure Warning
Seating:
Leather Seats, Memory Seat
Used
2021 GMC Sierra 1500 AT4
66,292 mi.
$39,300
Pedersen Toyota
Vehicle information
Ext. color: Black
Int. color: Jet Black w/Kalahari Accents
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 #: 2575266B
VIN: 3GTP9EED6MG353793
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®, 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
2021 GMC Sierra 1500 Denali
38,625 mi.
$46,799
Rocky Mountain Eurosport Parker
Vehicle information
Ext. color: White
Int. color: Jet Black
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 #: MZ158085
VIN: 1GTU9FEL1MZ158085
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
Vehicle information
Ext. color: Red
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
16-21
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: 74828
VIN: 1GTP9EEDXMZ244592
Features
Convenience:
Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, 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
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Next
GMC Sierra 1500 prices by year
| Model year | Prices from | Deals |
|---|---|---|
| 2026 GMC Sierra 1500 | $46,094 | |
| 2025 GMC Sierra 1500 | $41,168 | |
| 2024 GMC Sierra 1500 | $32,990 | 12 Good deals |
| 2023 GMC Sierra 1500 | $38,322 | 18 Good deals |
| 2022 GMC Sierra 1500 | $31,018 | 8 Good deals |
| 2020 GMC Sierra 1500 | $26,777 | 11 Good deals |
| 2019 GMC Sierra 1500 | $25,998 | 7 Good deals |
| 2018 GMC Sierra 1500 | $27,990 | 13 Good deals |
*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.
23 matches
Clear
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2021 GMC Sierra 1500 by city
-
2021 GMC Sierra 1500 in Boulder, CO
1 Great Deal out of 23 listings starting at $24,998
-
2021 GMC Sierra 1500 in Paragon Estates, CO
1 Great Deal out of 29 listings starting at $24,998
-
2021 GMC Sierra 1500 in Gunbarrel, CO
2 Great Deals out of 23 listings starting at $24,998
-
2021 GMC Sierra 1500 in Eldorado Springs, CO
2 Great Deals out of 30 listings starting at $24,998
-
2021 GMC Sierra 1500 in Louisville, CO
2 Great Deals out of 31 listings starting at $24,998
-
2021 GMC Sierra 1500 in Niwot, CO
4 Great Deals out of 29 listings starting at $24,998
-
2021 GMC Sierra 1500 in Altona, CO
2 Great Deals out of 23 listings starting at $24,998
-
2021 GMC Sierra 1500 in Superior, CO
2 Great Deals out of 31 listings starting at $24,998
-
2021 GMC Sierra 1500 in Lafayette, CO
1 Great Deal out of 30 listings starting at $24,998
-
2021 GMC Sierra 1500 in Coal Creek, CO
1 Great Deal out of 23 listings starting at $24,998
-
2021 GMC Sierra 1500 in Erie, CO
4 Great Deals out of 39 listings starting at $24,998
-
2021 GMC Sierra 1500 in Broomfield, CO
2 Great Deals out of 31 listings starting at $24,998
2021 GMC Sierra 1500 by body style
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