The 2026 GMC Sierra 1500 has available max diesel towing capacity of up to 13,300 lbs. Maximum trailering requires a Double Cab 2WD standard bed model with the available Duramax 3.0L Turbo-Diesel engine, Max Trailering Package and 20” wheels and tires. With the base TurboMax™ engine, Sierra 1500 offers best-in-class standard torque of 430 lb-ft for available max towing of up to 9,400 lbs when properly equipped. Sierra 1500 can provide available towing up to 13,100 lbs with the 6.2L V8, and it offers up to 11,200 lbs of available max towing with the 5.3L V8.

• Available max towing up to 9,400 lbs with TurboMax™ engine
• Available max towing up to 13,100 lbs with 6.2L V8
• Available max towing up to 11,200 lbs with 5.3L V8
• Available max diesel towing up to 13,300 lbs with Duramax 3.0L Turbo-Diesel

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The 2026 GMC Sierra 1500 offers best-in-class standard torque of 430 lb-ft with the 300-hp TurboMax engine that pairs with an 8-speed automatic. Options include the 5.3L V8 with 355 hp and 383 lb-ft of torque, a 6.2L V8 with 420 hp and 460 lb-ft of torque or the Duramax 3.0L Turbo-Diesel with 305 hp and 495 lb-ft of torque. All three engines are paired with a 10-speed automatic. The available ProGrade Trailering System helps streamline the hitching and towing process with an In-Vehicle Trailering App, and it includes custom trailer profiles, Trailer Tire Pressure Monitoring System, Trailer Light Sequence, maintenance reminders and step-by-step pre-departure checklists.

The 2026 Sierra 1500’s AT4 and AT4X offer powerful off-road capability with standard features like a 2” factory lift with off-road suspension and Rancho monotube shocks, a two-speed Autotrac transfer case and underbody skid plates. AT4X adds exclusive front and rear electronic locking differentials, which are not offered on any competitor in its class, as well as specific off-road chassis and tuning and Multimatic DSSV dampers for more control and comfort on the road and increased off-road performance.

• Rear- or four-wheel drive
• 8-speed or 10-speed automatic transmission
• TurboMax™ engine with best-in-class standard torque
• 5.3L EcoTec3 V8 engine
• 6.2L EcoTec3 V8 engine
• Duramax 3.0L Turbo-Diesel engine
• Automatic locking rear differential
• Integrated trailer brake controller, vertical recovery hooks
• 2” factory lift with off-road suspension on AT4 and AT4X
• 2-speed Autotrac Transfer Case and underbody skid plates on AT4 and AT4X

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The 2026 GMC Sierra 1500 offers up to 71.70 cubic feet of cargo volume for Standard Bed models. Models with the Short Bed include 62.90 cubic feet of cargo volume, while the Long Bed provides up to 89.10 cubic feet of cargo volume. All models include 12 cargo tie-downs, and Sierra 1500 is available with the world’s first 6-function GMC MultiPro™ Tailgate, which is designed to help improve loading, unloading and accessing the cargo box.

Inside, Sierra 1500 offers ample storage space to accommodate extra supplies or gear, including a large lower lockable glove box and upper glove box, available center console storage, available rear under-seat storage and available rear seatback storage, which includes two compartments inside the rear outboard seatbacks. Sierra 1500 has available options such as spray-on bedliner, cargo bed LED lighting, tailgate with EZ Lift assist, power lock and release plus a CarbonPro composite bed on Denali offering best-in-class resistance to dents, scratches and corrosion.

• Cargo volume of 89.10 cubic feet for Long Bed
• Cargo volume of 71.70 cubic feet for Standard Bed
• Cargo volume of 62.90 cubic feet for Short Bed
• 12 cargo tie-downs
• World’s first 6-function GMC MultiPro™ Tailgate
• Spray-on bedliner, cargo bed LED lighting
• Available center console storage, rear under-seat storage and rear seatback storage compartments

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