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2021 GMC Sierra 1500AT496k miles
$36,998
Sold from CarMax Texas Stadium (Irving), TX
Detailed history reportavailable
10-day money back returns
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Explore the Sierra 1500
Made for heavy-duty hauling and long-distance road trips
Front Seat Heaters
Apple CarPlay® & Android Auto™
Remote Start
Rear Seat Heaters
Smart Key & Blind Spot Monitor
Why you'll love this Sierra 1500
A capable full-size pickup that's powerful, accommodating, and versatile
Loaded
45+ extra comfort and tech features like Apple CarPlay®, Android Auto™, Front Seat Heaters.
22 city/26 hwy
Miles Per Gallon
Gray
Exterior Color
Black
Interior Color
8-cyl, 3.0L
Engine
Automatic
Transmission
5.5 ft
Bed Length
Vehicle Features and Specs
Features
Comfort & Convenience
A/C Seat(s)
Heated Steering Wheel
Rear Seat Heaters
Remote Start
Front Seat Heaters
Memory Seat(s)
Cruise Control
Smart Key
Power Seat(s)
Air Conditioning
Power Mirrors
Rear Defroster
Power Windows
Power Locks
Driver Assistance‡
Blind Spot Monitor
Rear View Camera
Parking Sensors
ABS Brakes
Traction Control
Entertainment & Technology
Navigation System
Apple CarPlay®
Android Auto™
Bluetooth Technology
Satellite Radio Ready
SiriusXM Trial Available
Auxiliary Audio Input
AM/FM Stereo
WiFi Hotspot
Interior
Leather Seats
Side Airbags
Overhead Airbags
Exterior
Running Boards
Bed Cover
Bed Liner
Alloy Wheels
Fog Lamps
Mechanical
Turbo Diesel Engine
4WD/AWD
Tow Hitch
Automatic Transmission
Key Specifications
5.5 ft
Bed Length8-cyl, 3.0L
EngineGray
Exterior ColorBlack
Interior Color22 city/26 hwy
Miles Per GallonAutomatic
Transmissionfor the 2021 GMC Sierra 1500 AT4
Specs
Comfort & Convenience
A/C Seat(s)
Heated Steering Wheel
Rear Seat Heaters
Remote Start
Front Seat Heaters
Memory Seat(s)
Cruise Control
Smart Key
Power Seat(s)
Air Conditioning
Power Mirrors
Rear Defroster
Power Windows
Power Locks
Driver Assistance‡
Blind Spot Monitor
Rear View Camera
Parking Sensors
ABS Brakes
Traction Control
Entertainment & Technology
Navigation System
Apple CarPlay®
Android Auto™
Bluetooth Technology
Satellite Radio Ready
SiriusXM Trial Available
Auxiliary Audio Input
AM/FM Stereo
WiFi Hotspot
Interior
Leather Seats
Side Airbags
Overhead Airbags
Exterior
Running Boards
Bed Cover
Bed Liner
Alloy Wheels
Fog Lamps
Mechanical
Turbo Diesel Engine
4WD/AWD
Tow Hitch
Automatic Transmission
Key Specifications
5.5 ft
Bed Length8-cyl, 3.0L
EngineGray
Exterior ColorBlack
Interior Color22 city/26 hwy
Miles Per GallonAutomatic
Transmissionfor the 2021 GMC Sierra 1500 AT4
Standard OEM Features
These are standard original equipment manufacturer features for the 2021 GMC Sierra 1500 AT4. All available options are not listed below and may vary by car.
Comfort & Convenience
A/C Seat(s)
Heated Steering Wheel
Rear Seat Heaters
Remote Start
Front Seat Heaters
Memory Seat(s)
Cruise Control
Smart Key
Power Seat(s)
Air Conditioning
Power Mirrors
Rear Defroster
Power Windows
Power Locks
Driver Assistance‡
Blind Spot Monitor
Rear View Camera
Parking Sensors
ABS Brakes
Traction Control
Entertainment & Technology
Navigation System
Apple CarPlay®
Android Auto™
Bluetooth Technology
Satellite Radio Ready
SiriusXM Trial Available
Auxiliary Audio Input
AM/FM Stereo
WiFi Hotspot
Life of this car
Only 1 owner
Reported by AutoCheck®
No basic manufacturer warranty remaining
Optional MaxCare® protection
See available plans, coverage, and benefits
History report
Vehicle history by AutoCheck®Looking for specifics?
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Even more to love
The 2021 GMC Sierra 1500 delivers powerful performance, capable towing, and smart tech for work and play.
Comfort & Convenience
Heated Steering Wheel
Comfort & Convenience
Remote Start
Driver Assistance
Parking Sensors‡
Comfort & Convenience
A/C Seat(s)
Comfort & Convenience
Front Seat Heaters
Entertainment & Technology
Apple CarPlay® & Android Auto™
Entertainment & Technology
Navigation System
Comfort & Convenience
Memory Seat(s)
Comfort & Convenience
Power Seat(s)
Entertainment & Technology
Bluetooth Technology
CarMax Certified quality
Drive with confidence
No flood or frame damage
No reported odometer problems
Deep cleaned interior
125-point inspection
View listVehicle history by AutoCheck®
View report10-day money back guarantee
30-day limited warranty
Longer in some states. See store for details.
See how this one stacks up
2021 GMC Sierra 1500
AT4Est. $609/mo$36,998
Vehicle price96k mi
MileageOnly available at
CarMax Texas Stadium (Irving)Gray / Black
Colors (Ext/Int)Loaded
More premium features
2022 GMC Sierra 1500
SLTEst. $696/mo$41,998
Vehicle price55k mi
MileageFree shipping | Est. arrival 10/19-10/24
CarMax BrandywineBlue / Black
Colors (Ext/Int)Loaded
More premium features
2022 GMC Sierra 1500
ElevationEst. $593/mo$35,998
Vehicle price51k mi
Mileage$149 shipping | Est. arrival 10/21-10/29
CarMax Potomac MillsSilver / Black
Colors (Ext/Int)Well-Equipped
Some extra features17 city / 20 hwy
MPG
2023 GMC Sierra 1500
DenaliEst. $816/mo$48,998
Vehicle price48k mi
MileageTest drive today
CarMax GaithersburgBlack / Black
Colors (Ext/Int)Loaded
More premium features
2023 GMC Sierra 1500
DenaliEst. $887/mo$52,998
Vehicle price27k mi
MileageFree shipping | Est. arrival 10/19-10/23
CarMax LaurelGray / Black
Colors (Ext/Int)Loaded
More premium features
2023 GMC Sierra 1500
DenaliEst. $870/mo$51,998
Vehicle price26k mi
MileageFree shipping | Est. arrival 10/18-10/23
CarMax White MarshBlack / Black
Colors (Ext/Int)Loaded
More premium features
2021 GMC Sierra 1500
DenaliEst. $713/mo$42,998
Vehicle price58k mi
Mileage$149 shipping | Est. arrival 10/21-10/28
CarMax HarrisonburgBlack / Black
Colors (Ext/Int)Loaded
More premium features
2019 GMC Sierra 1500
SLTEst. $696/mo$41,998
Vehicle price19k mi
Mileage$149 shipping | Est. arrival 10/20-10/28
CarMax CharlottesvilleBlue / Gray
Colors (Ext/Int)Well-Equipped
Some extra features15 city / 21 hwy
MPG
2023 GMC Sierra 1500
ProEst. $485/mo$29,998
Vehicle price66k mi
Mileage$149 shipping | Est. arrival 10/20-10/27
CarMax FredericksburgWhite / Black
Colors (Ext/Int)Well-Equipped
Some extra features18 city / 20 hwy
MPG
2024 GMC Sierra 1500
SLTEst. $767/mo$45,998
Vehicle price35k mi
Mileage$149 shipping | Est. arrival 10/21-10/29
CarMax Mays LandingBlack / Black
Colors (Ext/Int)Well-Equipped
Some extra features15 city / 20 hwy
MPG
2022 GMC Sierra 1500
SLEEst. $626/mo$37,998
Vehicle price40k mi
Mileage$149 shipping | Est. arrival 10/21-10/28
CarMax Virginia BeachBlack / Black
Colors (Ext/Int)Well-Equipped
Some extra features15 city / 20 hwy
MPGLearn about Sierra 1500 changes by year
Customer rating
4.8/5
13 Reviews5 star
85%
4 star
15%
3 star
0%
2 star
0%
1 star
0%
What Sierra 1500 owners are saying
Summarized by Skye
The 2021 GMC Sierra 1500 is praised for its powerful performance, excellent fuel economy, and advanced technology. Owners value its quiet cabin, smooth handling, and towing capacity. A few concerns regarding transmission reliability and overall value were reported, but overall satisfaction remains high, making it a strong choice for versatile truck needs.
Pros
Ride and Handling
Fuel Economy
Technology and Entertainment
Cons
Value
Ride and Handling
Technology and Entertainment
The CarMax difference
CarMax Certified quality
Easy 10-day returns
30-day limited warranty
Longer in some states. See store for details.Optional MaxCare® keeps you covered
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LT Trail Boss·74K mi
$149 Shipping | Est. arrival 10/19-10/28
$33,998$34,998
*Price excludes state and local taxes, title, registration, tags, and any optional products or services. Price assumes that final purchase will be made in the State of MD, unless vehicle is non-transferable. Vehicle subject to prior sale. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions. Limited warranty is 30 days. See store for details. We make every effort to provide accurate information, but please verify before purchasing.
† Available within a 60-mile radius of select stores. See store for details.
‡ Driver assistance features are not a substitute for attentive driving; the driver is responsible for vehicle operation at all times. Features may have limited functionality in certain situations. See this car’s Owner’s Manual and manufacturer information for full details and important limitations.
§ MPG/MPGe/range figures based on EPA estimates for vehicle sold as new; results will vary based on vehicle history and driving conditions.
‖ Apple CarPlay and iPhone are trademarks of Apple Inc. Google, Android and Android Auto are trademarks of Google LLC.
¶All trademarks are the property of their respective owners. Use of a third-party trademark does not imply an endorsement or affiliation.
† Available within a 60-mile radius of select stores. See store for details.
‡ Driver assistance features are not a substitute for attentive driving; the driver is responsible for vehicle operation at all times. Features may have limited functionality in certain situations. See this car’s Owner’s Manual and manufacturer information for full details and important limitations.
§ MPG/MPGe/range figures based on EPA estimates for vehicle sold as new; results will vary based on vehicle history and driving conditions.
‖ Apple CarPlay and iPhone are trademarks of Apple Inc. Google, Android and Android Auto are trademarks of Google LLC.
¶All trademarks are the property of their respective owners. Use of a third-party trademark does not imply an endorsement or affiliation.
2021 GMC Sierra 1500 AT4
$36,998
2021 GMC Sierra 1500 AT4
$36,998*
96K miles
Stock 70276377VIN 3GTU9EET2MG382430
Features
A/C Seat(s)
Heated Steering Wheel
Rear Seat Heaters
Remote Start
Front Seat Heaters
Memory Seat(s)
Cruise Control
Smart Key
Power Seat(s)
Air Conditioning
Power Mirrors
Rear Defroster
Power Windows
Power Locks
Blind Spot Monitor
Rear View Camera
Parking Sensors
ABS Brakes
Traction Control
Navigation System
Apple CarPlay®
Android Auto™
Bluetooth Technology
Satellite Radio Ready
SiriusXM Trial Available
Auxiliary Audio Input
AM/FM Stereo
WiFi Hotspot
Leather Seats
Side Airbags
Overhead Airbags
Running Boards
Bed Cover
Bed Liner
Alloy Wheels
Fog Lamps
Turbo Diesel Engine
4WD/AWD
Tow Hitch
Automatic Transmission
Specifications
Miles Per Gallon
22 city/26 hwy
Exterior Color
Gray
Interior Color
Black
Engine
8-cyl, 3.0L
Transmission
Automatic
Bed Length
5.5 ft
*Price excludes state and local taxes, title, registration, tags, and any optional products or services. Price assumes that final purchase will be made in the State of MD, unless vehicle is non-transferable. Vehicle subject to prior sale. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions. Limited warranty is 30 days. See store for details. We make every effort to provide accurate information, but please verify before purchasing.