- Engine; Duramax 3.0L Turbo-Diesel I6
- Leather Seats
- Navigation System
- Keyless Start
- Cooled Front Seat(S)
- Jet Black; Forge Perforated Leather-Appointed Seat Trim
- Onyx Black
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Based on the VIN structure and GMC decoding data, this truck appears to be a 2020 GMC Sierra 1500 AT4 Crew Cab 4WD equipped with the 3.0L Duramax Turbo-Diesel engine and 10-speed automatic transmission . Vehicle Description Conquer the road less traveled in this 2020 GMC Sierra 1500 AT4 , a premium off-road pickup designed to combine rugged capability with upscale comfort. Powered by the highly sought-after 3.0L Duramax Turbo-Diesel , this Sierra delivers impressive torque, exceptional towing capability, and outstanding fuel economy. The AT4 package features a factory 2-inch suspension lift, off-road tuned Rancho shocks, skid plates, automatic locking rear differential, hill descent control, and aggressive all-terrain styling. Inside, you'll find a refined cabin with premium materials, advanced technology, and GMC's signature attention to detail. Key Features 3.0L Duramax Turbo-Diesel Engine 10-Speed Automatic Transmission Four-Wheel Drive (4WD) AT4 Off-Road Package Factory 2 Suspension Lift Rancho Off-Road Shocks Automatic Locking Rear Differential Premium Leather Interior Heated Front Seats & Heated Steering Wheel Apple CarPlay & Android Auto GMC MultiPro Tailgate Integrated Trailer Brake Controller Remote Start Rear Vision Camera LED Lighting Package Crew Cab Configuration Marketing Description Adventure-ready and built to perform, this 2020 GMC Sierra 1500 AT4 Duramax is the perfect combination of luxury and capability. Whether you're towing, exploring off-road trails, or commuting in comfort, the legendary Duramax diesel and AT4 package provide confidence in every mile. Don't miss your opportunity to own one of GMC's most desirable half-ton trucks.






