
2021 GMC Sierra 1500
Mileage: 138,180 ยท Twin Falls, ID
$4,232 Above market
2021 GMC Sierra 1500 AT4 Crew Cab 4WD
Twin Falls, ID
$35,991
$4,232 above marketย
Request information
Features
Mileage
138,180
Drivetrain
Four-Wheel Drive
Exterior color
Onyx Black
Interior color
Jet Black with Kalahari accents
MPG
24 MPG
Engine
277 hp 3L I6 Diesel
Fuel type
Diesel
Transmission
Automatic
Finance in advance
Overview
- Make:GMC
- Model:Sierra 1500
- Year:2021
- Trim:AT4
- Body type:Pickup Truck
- Exterior color:Onyx Black
- Interior color:Jet Black with Kalahari accents
- Mileage:138,180 mi
- Condition:Used
- VIN:1GTU9EETXMZ193010
- Stock number:S21U3010
Fuel economy
- Fuel tank size:24 gal
- Combined gas mileage:24 MPG
- City gas mileage:22 MPG
- Highway gas mileage:26 MPG
- Fuel type:Diesel
Performance
- Transmission:Automatic
- Drivetrain:Four-Wheel Drive
- Engine:277 hp 3L I6 Diesel
- Horsepower:277 hp
Safety
- NHTSA overall safety rating:
- NHTSA frontal crash rating:
- NHTSA side crash rating:
- NHTSA rollover rating:
- ABS Brakes
- Adaptive Cruise Control
- Backup Camera
- Blind Spot Monitoring
- Curtain Airbags
- Driver Airbag
- Front Side Airbags
- Passenger Airbag
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:69 in
Options
- Alloy Wheels
- Android Auto
- Bluetooth
- CarPlay
- Heated Seats
- Leather Seats
- Navigation System
- Preferred Package
- Remote Start
- Sunroof/Moonroof
History
Clean title
No issues reported.
1 accident reported
No damage reported.
2 previous owners
Vehicle has 2 previous owners.
Pricing
$35,991
$31,759
Avg. market price (IMV)
This car is $4,232 above market price. We compared this car with similar 2021 GMC Sierra 1500 based on price, mileage, features, condition, dealer reputation, and other factors.
- Price increasedPrice went up by $1.
Dealer

Dealer reviews
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Dealer's description
Take on any terrain with confidence in this 2021 GMC Sierra 1500 AT4 4WD finished in striking Onyx Black. Powered by a 3.0L I6 engine paired with a 10-Speed Automatic transmission and 4WD, this Sierra delivers robust performance with 22 city / 26 highway MPG, making it perfect for work, play, or weekend adventures.The AT4 trim is built for off-road capability and comfort. Inside, enjoy Jet Black leather with Kalahari accents, heated front and second-row seats, 10-way power driver and passenger seats with lumbar support, heated steering wheel, dual-zone automatic climate control, and perforated leather-appointed trim. Technology is top-notch with the GMC Premium Infotainment System with Navigation, Apple CarPlay/Android Auto, HD Rear Vision Camera, HD Surround Vision, 4G LTE Wi-Fi hotspot capability, and Multicolor 15 Head-Up Display, keeping you connected and informed on every drive.Safety and confidence come standard with Automatic Emergency Braking, Forward Collision Alert, Lane Keep Assist, Side Blind Zone Alert, Rear Cross Traffic Alert, Adaptive Cruise Control, Auto-Dimming Rearview Mirror, and HD Camera Systems including Bed View and Hitch Guidance. Additional off-road-ready features include Off-Road Suspension, Auto-Locking Rear Differential, Red Recovery Hooks, Spray-On Bed Liner with AT4 Logo, and 18 Machined Aluminum Wheels.Practical touches like power sliding rear window, multiple 120V/12V power outlets, all-weather floor liners, cargo bed lighting, remote start, and ProGrade Trailering System make this Sierra ready for work, adventure, or hauling with ease.If youre looking for a feature-packed, capable 4WD pickup with off-road performance, premium comfort, and GMC reliability, this 2021 GMC Sierra 1500 AT4 is ready to take you anywhere.Available now in Twin Falls, serving the Magic Valley and Southern Idaho. Stop by today to see why the Sierra AT4 is the ultimate combination of rugged capability and refined luxury.
Additional Information
ENGINE DURAMAX 3.0L TURBO-DIESEL I6 (277 hp [206.6 kW] @ 3750 rpm 460 lb-ft of torque [623.7 N-m] @ 1500 rpm) Includes (KW5) 220-amp alternator and (K05) engine block heater.),Tow Hitch,Locking/Limited Slip Differential,Four Wheel Drive,Tow Hooks,Power Steering,ABS,4-Wheel Disc Brakes,Aluminum Wheels,Tires - Front All-Terrain,Tires - Rear All-Terrain,Tires - Front All-Season,Tires - Rear All-Season,Daytime Running Lights,Fog Lamps,Heated Mirrors,Power Mirror(s),Mirror Memory,Power Folding Mirrors,Privacy Glass,Integrated Tailgate Step,Bed Liner,AM/FM Stereo,Satellite Radio,MP3 Capability,Bluetooth Connection,Auxiliary Audio Input,Smart Device Integration,Requires Subscription,HD Radio,Satellite Radio,Requires Subscription,Satellite Radio,Requires Subscription,Bluetooth Connection,Bluetooth Connection,Smart Device Integration,Steering Wheel Audio Controls,WiFi Hotspot,Bucket Seats,Power Driver Seat,Driver Adjustable Lumbar,Power Passenger Seat,Passenger Adjustable Lumbar,Heated Front Seat(s),Mirror Memory,Seat Memory,Heated Front Seat(s),Cooled Front Seat(s),Pass-Through Rear Seat,Floor Mats,Floor Mats,Adjustable Steering Wheel,Leather Steering Wheel,Heated Steering Wheel,Power Windows,Power Windows,Power Windows,Power Door Locks,Keyless Entry,Power Door Locks,Keyless Start,Remote Engine Start,Cruise Control,Security System,MP3 Capability,Auxiliary Audio Input,MP3 Capability,Auxiliary Audio Input,Power Outlet,Power Outlet,Climate Control,Multi-Zone A/C,A/C,Rear Defrost,Auto-Dimming Rearview Mirror,Traction Control,Stability Control,Daytime Running Lights,Driver Air Bag,Passenger Air Bag,Front Side Air Bag,Front Head Air Bag,Rear Head Air Bag,Passenger Air Bag Sensor,Telematics,Requires Subscription,Back-Up Camera,Back-Up Camera,Driver Restriction Features,Tire Pressure Monitor
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