Compare the2025 GMC Sierra 1500VS 2025 Toyota Tundra

Full-time four-wheel drive is optional on the Sierra 1500. Full-time four-wheel drive gives added traction for safety in all conditions, not just off-road, like the only system available on the Tundra.

Both the Sierra 1500 and the Tundra have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras, available blind spot warning systems, around view monitors and rear cross-path warning.

The Sierra 1500’s corrosion warranty is 1 year longer than the Tundra’s (6 vs. 5 years).

There are over 35 percent more GMC dealers than there are Toyota dealers, which makes it easier should you ever need service under the Sierra 1500’s warranty.

The Sierra 1500’s 3.0 turbo diesel produces 90 lbs.-ft. more torque (495 vs. 405) than the Tundra SR’s standard 3.4 turbo V6. The Sierra 1500’s 3.0 turbo diesel produces 16 lbs.-ft. more torque (495 vs. 479) than the Tundra’s optional 3.4 turbo V6.

On the EPA test cycle the Sierra 1500 gets better mileage than the Tundra:

An engine control system that can shut down some of the engine’s cylinders helps improve the Sierra 1500 Gas’ fuel efficiency. The Tundra doesn’t offer a system that can shut down part of the engine.

To lower fuel costs and make buying fuel easier, the GMC Sierra 1500 uses regular unleaded gasoline (premium recommended with the 6.2 V8 engine for maximum performance). The Tundra requires premium, which can cost on average about 84.9 cents more per gallon.

The Sierra 1500 has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The Tundra doesn’t offer a cap-less fueling system.

For better traction, the Sierra 1500 has larger standard tires than the Tundra (255/70R17 vs. 245/75R18).

The Sierra 1500’s standard tires provide better handling because they have a lower 70 series profile (height to width ratio) that provides a stiffer sidewall than the Tundra SR’s standard 75 series tires.

The Sierra 1500 has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The Tundra doesn’t offer vehicle monitored tire inflation.

For a smoother ride and more stable handling, the Sierra 1500’s wheelbase is longer than on the Tundra:

For better maneuverability, the Sierra 1500’s turning circle is tighter than the Tundra’s:

The GMC Sierra 1500 may be more efficient, handle and accelerate better because it weighs about 300 to 650 pounds less than the Toyota Tundra.

The Sierra 1500 is shorter than the Tundra, making the Sierra 1500 easier to handle, maneuver and park in tight spaces:

The Sierra 1500 Double Cab has standard seating for 6 passengers; the Tundra can only carry 5.

The Sierra 1500 Double Cab has 2 inches more front headroom, 3.3 inches more front legroom, 1 inch more front shoulder room, 1.4 inches more rear headroom, 1.9 inches more rear legroom and 1.5 inches more rear shoulder room than the Tundra Extended Cab Pickup.

The Sierra 1500 Crew Cab has 2 inches more front headroom, 3.3 inches more front legroom, 1 inch more front shoulder room, 1.6 inches more rear headroom, 1.8 inches more rear legroom and 2.8 inches more rear shoulder room than the Tundra Crew Cab Pickup.

The Sierra 1500 Double Cab has a much larger cargo box than the Tundra Extended Cab Pickup shortbed (71.7 vs. 54.3 cubic feet). The Sierra 1500 Double Cab has a much larger cargo box than the Tundra Extended Cab Pickup longbed (71.7 vs. 67.7 cubic feet).

The Sierra 1500 Crew Cab shortbed has a much larger cargo box than the Tundra Crew Cab Pickup shortbed (62.9 vs. 45.8 cubic feet). The Sierra 1500 Crew Cab longbed has a much larger cargo box than the Tundra Crew Cab Pickup longbed (71.7 vs. 54.3 cubic feet).

The Sierra 1500’s cargo box is larger than the Tundra’s in every dimension:

The GMC Sierra 1500 has a standard CornerStep, which allows for much easier access to the cargo area. A Bed Step costs extra on the Toyota Tundra.

The Sierra 1500’s minimum standard towing capacity is much higher than the Tundra’s (8800 vs. 8300 pounds). Maximum trailer towing in the Toyota Tundra Extended Cab Pickup is only 12000 pounds. The Sierra 1500 Double Cab offers up to a 13200 lbs. towing capacity.

The Sierra 1500 4x4 with optional equipment can be flat towed on all four wheels (dinghy towed), allowing recreational vehicle owners to bring it with them on the road. When they reach their destination, the Sierra 1500 can be unhitched and driven around locally. The Tundra can’t be towed flat on the ground.

The Sierra 1500 has a higher standard payload capacity than the Tundra:

The Sierra 1500 has higher optional payload capacities than the Tundra:

The GMC Sierra 1500 comes in regular cab, extended cab and crew cab bodystyles; the Toyota Tundra isn’t available as a regular cab.

J.D. Power and Associates rated the Sierra 1500 third among large light duty pickups in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The Tundra isn’t in the top three.

The GMC Sierra outsold the Toyota Tundra by over two to one during 2023.