2020 GMC Sierra 1500

About this GMC Sierra 1500

This 2020 GMC Sierra 1500 AT4 is listed at $32,999 with 101,350 miles on the odometer. Powertrain: 3.0L V-6 Diesel Turbocharged, Automatic, 4WD. EPA-estimated fuel economy is 16 city / 21 highway MPG. Finished in Onyx Black, this Pickup Truck is well suited to daily driving and longer trips. Available at CarVision of Trooper in Trooper, PA. Contact the dealer directly through Carlify to schedule a test drive or request more photos. Looking at other diesel options? Use the related links below to compare similar listings on Carlify.

VEHICLE OVERVIEWGet the perfect blend of diesel power and off-road capability with the 2020 GMC Sierra 1500 AT4 3.0L Duramax Diesel, now at CarVision! This premium truck is built to tackle tough jobs and rough terrain with ease, thanks to its 3.0L I6 Duramax Turbo-Diesel engine delivering 277 horsepower and 460 lb-ft of torque. Paired with a 10-speed automatic transmission, it offers smooth power, impressive fuel efficiency, and serious towing muscle. The AT4 package brings a 2-inch factory lift, off-road suspension, skid plates, and Rancho® shocks, all backed by GMC’s signature 4WD system. Inside, enjoy luxury touches like leather seating, a heated steering wheel, ventilated front seats, and an intuitive infotainment system with Apple CarPlay and Android Auto. Rugged, refined, and ready for anything find your adventure at CarVision!FEATURESOne Owner4WDHeated and ventilated front seatsHeated rear outboard seats (Crew Cab models)Heated steering wheelDual-zone automatic climate controlRear air ventsRemote startKeyless open and startPower windows with driver and front passenger express-up/downPower door locksLeather-wrapped steering wheelCruise control, steering wheel-mountedRearview cameraBased on CarFax as of 5/7/2025. Remaining warranty may be different at the time of sale based on additional age and mileage since publication, warranty and usage history or inaccuracies on CarFax. Additionally, some warranties are limited to first owners only and are non-transferable. Please verify warranty coverage with the vehicle manufacturer prior to purchase.

Inspection summary

Inspection scores are estimates based on title status, accident history, and frame condition. Schedule a third-party inspection before purchase.