Save your search and get notified when new inventory arrives.
Contact seller
Customize your budget
Est. max vehicle price based on your desired monthly budget (...% APR*. and ...% sales tax)
$...*
*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.
About your privacy: Cars.com is asking for your ZIP and credit rating because it helps us to make an educated guess at your sales tax and loan interest. These two factors can greatly change your monthly payment.
Used
2021 GMC Sierra 1500 trucks
for sale
near
Brookfield, WI
23 matches
30 miles from 53008
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.
No photo available
Used
2021 GMC Sierra 1500 AT4
111,470 mi.
$36,350
Uptown Motorcars
Vehicle information
Ext. color: Ebony Twilight Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
15-26
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
Stock #: 20912-1
VIN: 1GTP9EEL4MZ298073
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
Uptown Motorcars review
Staff very polite, friendly, no pressure and willing to
Staff very polite, friendly, no pressure and willing to work with me! Facility was very clean! I bought a 2025 Chevrolet Trax. I love it! A+
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.
Used
2021 GMC Sierra 1500 Denali
66,580 mi.
$41,494
Zeigler Honda of Racine
Vehicle information
Ext. color: Onyx Black
Int. color: Dark Walnut/Dark Ash Grey
Drivetrain: Four-wheel Drive
MPG:
16-20
Fuel type: Gasoline
Transmission: Automatic
Engine: Gas V8 6.2L/376
Stock #: P12911
VIN: 3GTU9FEL6MG127933
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Zeigler Honda of Racine review
Excellent service goy my car in for a oil change and
Excellent service goy my car in for a oil change and wasn't a long wait fixed the issue with my appointment
2021 GMC Sierra 1500 Denali 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 AT4
87,143 mi.
Not Priced
Heiser Chevrolet of West Bend
Vehicle information
Ext. color: Onyx 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 #: CPG5847
VIN: 1GTP9EED6MZ245268
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, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
2021 GMC Sierra 1500 AT4 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.
Certified
2021 GMC Sierra 1500 SLE
92,310 mi.
$30,605
$500 price drop
Gordie Boucher Ford Lincoln of Janesville
Vehicle information
Ext. color: Satin Steel Metallic
Int. color: Jet Black
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 #: 25FE0475A
VIN: 3GTU9BET8MG177855
Features
Convenience:
Adaptive Cruise Control, 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
Used
2021 GMC Sierra 1500 AT4
172,187 mi.
$29,800
$100 price drop
Al Piemonte Buick GMC
Vehicle information
Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
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 #: P5676
VIN: 3GTP9EEL4MG454516
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 AT4
78,872 mi.
$40,618
Castle Chevrolet GMC
Vehicle information
Ext. color: Cayenne Red Tintcoat
Int. color: Jet Black w/Kalahari Accents
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 #: M260087A
VIN: 3GTU9EET6MG436974
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 AT4
39,292 mi.
$37,444
$553 price drop
Old Orchard Nissan
Vehicle information
Ext. color: Cayenne Red Tintcoat
Int. color: Jet Black
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 #: Z2375
VIN: 1GTP9EED2MZ381882
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
Vehicle information
Ext. color: Onyx Black (gba)
Int. color: Jet Black W/Kalahari Accents (hvd)
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Shiftable Automatic
Engine: Duramax 3.0L Diesel Turbo I6 277hp 460ft. lbs.
Stock #: 9711
VIN: 1GTU9EET7MZ289872
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, Brake Assist, LED Headlights, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2021 GMC Sierra 1500 Denali
83,316 mi.
$42,995
Affinity Auto Sales
Vehicle information
Ext. color: White
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 #: A4030
VIN: 3GTU9FED1MG213966
Features
Convenience:
Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Used
2021 GMC Sierra 1500 Elevation
83,596 mi.
$32,000
$500 price drop
Alphorn Ford
Vehicle information
Ext. color: Onyx Black
Int. color: Black
Drivetrain: Four-wheel Drive
MPG:
16-22
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 5.3L V8
Stock #: P5142
VIN: 1GTU9CED1MZ109217
Features
Convenience:
Heated Seats, Heated Steering Wheel, Keyless Entry, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Tow Hooks
Safety:
Backup Camera, Brake Assist, Stability Control
Used
2021 GMC Sierra 1500 Elevation
47,808 mi.
$33,993
Advantage Acura of Naperville
Vehicle information
Ext. color: Onyx Black
Int. color: Black
Drivetrain: Four-wheel Drive
MPG:
18-21
Fuel type: Gasoline
Transmission: 8-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: P11803
VIN: 1GTR9CED2MZ241098
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, Blind Spot Monitor, Brake Assist, Stability Control
Used
2021 GMC Sierra 1500 Elevation
88,734 mi.
$31,990
$2,000 price drop
Le Mieux & Son Toyota
Vehicle information
Ext. color: Quicksilver Metallic
Int. color: Jet Black
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 #: 57832B
VIN: 3GTU9CET7MG329744
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 Elevation
70,783 mi.
$29,967
$1,500 price drop
K&F Auto Sales and Service, INC.
Vehicle information
Ext. color: Cardinal Red
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
18-21
Fuel type: Gasoline
Transmission: Automatic 8-Speed
Engine: 2.7L I-4 gasoline direct injection, DOHC, variable valve control
Stock #: 386723
VIN: 1GTP9GEK4MZ386723
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
-
Prev - 1
- 2
-
Next
GMC Sierra 1500 prices by year
| Model year | Average price | Deals |
|---|---|---|
| 2026 GMC Sierra 1500 | $66,412 | |
| 2025 GMC Sierra 1500 | $54,307 | 3 Good deals |
| 2024 GMC Sierra 1500 | $59,086 | 19 Good deals |
| 2023 GMC Sierra 1500 | $50,756 | 5 Great deals |
| 2022 GMC Sierra 1500 | $45,242 | 25 Good deals |
| 2020 GMC Sierra 1500 | $34,640 | 11 Good deals |
| 2019 GMC Sierra 1500 | $34,141 | 4 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.
Similar Cars
-
Chevrolet Silverado 1500 for sale
7 Great Deals out of 40 listings starting at $20,250
-
Ford F-150 for sale
6 Great Deals out of 32 listings starting at $28,995
Research the 2021 GMC Sierra 1500
Compare the 2021 GMC Sierra 1500
2021 GMC Sierra 1500 by city
-
2021 GMC Sierra 1500 in Brookfield, WI
5 Great Deals out of 23 listings starting at $25,440
-
2021 GMC Sierra 1500 in Elm Grove, WI
5 Great Deals out of 23 listings starting at $25,440
-
2021 GMC Sierra 1500 in Butler, WI
5 Great Deals out of 23 listings starting at $25,440
-
2021 GMC Sierra 1500 in Wauwatosa, WI
5 Great Deals out of 23 listings starting at $25,440
-
2021 GMC Sierra 1500 in Pewaukee, WI
4 Great Deals out of 22 listings starting at $25,440
-
2021 GMC Sierra 1500 in West Allis, WI
5 Great Deals out of 22 listings starting at $25,440
-
2021 GMC Sierra 1500 in New Berlin, WI
5 Great Deals out of 22 listings starting at $25,440
-
2021 GMC Sierra 1500 in Waukesha, WI
5 Great Deals out of 24 listings starting at $25,440
-
2021 GMC Sierra 1500 in Milwaukee, WI
5 Great Deals out of 23 listings starting at $25,440
-
2021 GMC Sierra 1500 in West Milwaukee, WI
5 Great Deals out of 22 listings starting at $25,440
-
2021 GMC Sierra 1500 in Greenfield, WI
5 Great Deals out of 22 listings starting at $25,440
-
2021 GMC Sierra 1500 in Hales Corners, WI
5 Great Deals out of 22 listings starting at $25,440
2021 GMC Sierra 1500 by body style
- ${price_badge()}
- ${ami_badge()}
- ${battery_badge()}${ev_report_link()}
- ${hot_car_badge()}
- ${award_badge()}
- ${cpo_badge()}
${price_badge_description}
${ami_badge_description}
The EV Battery Rating is based on this vehicle's current expected range relative to the vehicles expected range when new. ${battery_badge_text}
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.