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2021 GMC Sierra 1500 AT4 3.0L DuramaxPremium off-road capability meets refined diesel performance in this 2021 GMC Sierra 1500 AT4 Duramax, a rugged full-size truck built to handle tough terrain while delivering upscale comfort and advanced technology. Under the hood is the smooth and efficient 3.0L Duramax turbo-diesel inline-6 producing 277 horsepower and 460 lb-ft of torque, paired with a refined 10-speed automatic transmission and a capable 4x4 system for confident performance in all conditions. With impressive low-end torque, a quiet diesel powertrain, and excellent ride quality, the Sierra AT4 offers both serious capability and everyday comfort. The AT4 trim is built for adventure, featuring a factory 2-inch suspension lift, Rancho monotube shocks, skid plates, hill descent control, red recovery hooks, and an automatic locking rear differential for enhanced off-road performance. Inside, the cabin blends rugged styling with premium finishes, offering leather-appointed seating, heated front seats, a heated steering wheel, Bose premium audio, navigation, and a touchscreen infotainment system with Apple CarPlay & Android Auto. The bold AT4 styling, dark accents, and aggressive stance give this Sierra a commanding presence on the road or trail. With its no reported accident history, this truck delivers added peace of mind along with premium diesel capability.✅ 3.0L Duramax Turbo-Diesel Inline-6 — 277 HP and 460 lb-ft of torque✅ 10-Speed Automatic Transmission with 4x4✅ AT4 Package — Factory 2&#34; lift & off-road suspension✅ Rancho Shocks, Skid Plates & Red Recovery Hooks✅ Leather Interior with Heated Front Seats & Heated Steering Wheel✅ Navigation, Bose Premium Audio & Smartphone Integration✅ No Reported AccidentsHere at Bannister Chevrolet Penticton, we make it easy to buy a vehicle from us, with delivery options available to you. Not only that—we offer great prices for your vehicle. We. Buy. Cars! And we want yours. If you're ready to get out of your vehicle and into a new one, reach out today!

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