2026 GMC Sierra 3500 Denali

The Sierra 3500 is GMC's heavy-duty pickup, built to tow and haul with serious capability across its trim range. It competes head-to-head with the Ford F-350 Super Duty and Ram 3500 in the heavy-duty truck segment. The Sierra 3500 drives with the commanding presence you expect from a heavy-duty truck, and the diesel provides strong low-end grunt for towing. Cabin space is generous, with available luxury trims like Denali adding upscale materials and tech features. The Denali is the luxury pick in the Sierra 3500 range, delivering leather surfaces, a larger infotainment screen, and chrome exterior accents over the SLT. Its gasoline 6.6L V8, Gasoline makes 401 horsepower and 464 lb-ft of torque, paired with a ten-speed automatic and four-wheel drive that handle heavy loads without breaking a sweat.