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2021 GMC Sierra 1500 AT4
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The 2021 GMC Sierra 1500 AT4 is a premium off-road-oriented truck that combines rugged capability with luxury features. It's designed for drivers who need the power and versatility of a pickup truck but also want upscale features and advanced technology. Heres a detailed look at the key aspects of the 2021 GMC Sierra 1500 AT4: Key Features Performance and Powertrain Engine Options: 5.3L V8: Produces 355 horsepower and 383 lb-ft of torque, mated to a 10-speed automatic transmission. 6.2L V8: Delivers 420 horsepower and 460 lb-ft of torque, providing strong acceleration and towing capabilities. 3.0L Duramax Turbo-Diesel I6: Offers 277 horsepower and 460 lb-ft of torque with impressive fuel efficiency for long hauls. Transmission: 10-speed automatic transmission provides smooth gear shifts and optimized performance. Four-Wheel Drive: Standard 4WD with a two-speed transfer case and skid plates for off-road protection. Off-Road Capability: Features like the Rancho monotube shocks, Hill Descent Control, and 2-inch factory suspension lift make the AT4 well-suited for off-road adventures. Towing and Hauling Towing Capacity: When properly equipped with the 6.2L V8, the AT4 can tow up to 9,200 pounds. With the Duramax diesel, it can handle up to 9,300 pounds. ProGrade Trailering System: Includes an in-vehicle trailering app, trailer light test, trailer tire pressure monitoring, and other features to simplify towing tasks. Payload: The truck offers a payload capacity of up to 2,140 pounds, depending on configuration. Interior and Comfort Seating: The AT4 features perforated leather-appointed seats with unique AT4 badging. Heated and ventilated front seats and a heated steering wheel come standard. Interior Space: The Sierras cabin is spacious, offering plenty of room for both front and rear passengers, especially in the Crew Cab configuration. Technology: Standard 8-inch infotainment system with Apple CarPlay, Android Auto, and Bluetooth connectivity. A head-up display and wi
Trim: AT4
Body Style: Truck
Fuel Type: Diesel
Fuel Capacity: 24.0 gal
Recommended Fuel: n/a
Passenger Seating: 5
OEM Tire: 265/65R18
Engine: Duramax 3.0L Diesel Turbo I6 277hp 460ft. lbs.
Engine HP: 277hp @3750 rpm
Engine Torque: 460 lb-ft. @1500 rpm
Towing Capacity: n/a
Max Towing Capacity**: 9,200 lbs
Max Payload: 2,080 lbs