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Refined, second-generation Duramax 3.0L Turbo-Diesel engine delivers 10 percent more horsepower and 7.6 percent more torque. Updates include new steel piston design, revised turbo compressor, …

The 2026 GMC Sierra 1500 pickup truck offers a TurboMax engine with 8-speed automatic transmission, a max diesel towing capacity of up to 13,200 lbs., and more.

Explore GMC Vehicle's Owner Manuals and Guides to learn more about your vehicle and its many features.

The 2025 GMC Sierra 1500 light-duty pickup truck offers a 2.7L Turbo High-Output Engine, up to 13,000 lbs. of best-in-class 4WD diesel towing, and more.

Outfit your Sierra 1500 with official GMC Accessories. Shop best sellers like truck bed covers, assist steps, floor liners, seat covers and more.

The 2026 Sierra 1500 AT4 and AT4X full-size truck is build for off-road adventures, with front & rear electronic locking differentials, 2" suspension, and more.

2023 FEATURES, SPECS AND OPTIONS We have tried to make this guide comprehensive and factual. We reserve the right, however, to make changes at any time, without notice, in prices, colors, …

The 2026 Sierra 1500 Denali and Denali Ultimate luxury pickup trucks offer Super Cruise Hands-Free Driver Assist, premium interiors, power front seats, and more.

The 2026 GMC Sierra 1500 Pro, SLE, Elevation, and SLT light duty trucks come equipped with up to 13 camera views, 12.3 inch diver infotainment center, and more.