
2021 GMC Sierra 1500
Mileage: 51,103 · Glendive, MT
$1,968 Above market
2021 GMC Sierra 1500 AT4 Crew Cab 4WD
Glendive, MT
$44,079
Dealer rating
Request information
Features
Mileage
51,103
Drivetrain
Four-Wheel Drive
Exterior color
Cayenne Red Tintcoat
Interior color
Jet Black with Kalahari accents, Perforated leathe
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:Cayenne Red Tintcoat
- Interior color:Jet Black with Kalahari accents, Perforated leathe
- Mileage:51,103 mi
- Condition:Used
- VIN:3GTU9EET9MG448505
- Stock number:12651B
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
- Backup Camera
- Blind Spot Monitoring
- Curtain Airbags
- Driver Airbag
- Front Side Airbags
- Parking Sensors
- 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
- Audio Package
- Bluetooth
- CarPlay
- Convenience Package
- Heat Package
- Heated Seats
- Leather Seats
- Multi Zone Climate Control
- Navigation System
- Off Road Package
- Premium Package
- Remote Start
- Sound Package
- Suspension Package
- Technology Package
- Tow Package
- Trailer Package
History
Clean title
No issues reported.
0 accidents reported
No accidents or damage reported.
2 previous owners
Vehicle has 2 previous owners.
Pricing

Selling slowly
No price changes
112 days at this dealership
Dealer

Dealer reviews
Dealer's description
This Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4 Diesel 4x4 is a bold, highly capable truck that blends rugged off-road performance with premium comfort, making it an outstanding choice for drivers who demand strength, technology, and refinement in one package. The Duramax diesel engine delivers impressive torque and efficiency, giving you confident power for towing, hauling, and long highway drives. Paired with the AT4 4x4 system and off-road suspension, this Sierra is built to handle rough terrain, back roads, and challenging weather conditions across Eastern Montana and North Dakota. Inside, the Jet Black leather interior with Kalahari accents creates a distinctive, upscale cabin thats both comfortable and functional. Heated and cooled front seats keep you comfortable in every season, while navigation and intuitive technology make every drive easier and more connected. Remote start adds everyday convenience, allowing you to warm up or cool down the truck before you even climb in. Equipped with the trailering package, this Sierra is ready to work as hard as you do, offering added confidence and control when towing boats, campers, or equipment. Combined with the off-road package, this truck delivers versatility that performs just as well on the jobsite as it does on weekend adventures. The Cayenne Red Tintcoat exterior and aggressive AT4 styling give it a commanding presence that stands out wherever it goes. At HKT Big Sky Motors, youll enjoy a small-town, no-hassle buying experience that puts your needs first. Weve been locally owned since 1956 and proudly serve customers throughout Eastern Montana and North Dakota. Stop by and see us at 2515 W Towne Street in Glendive, MT, give us a call at (406) 377-3350, or reach out by text at (406) 939-4301 to learn more about this 2021 GMC Sierra 1500 AT4 Diesel 4x4 and schedule your test drive today.
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