2026 GMC
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2025 Toyota
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| MPG - City | Info not available | 17 - 18 MPG |
| MPG - Hwy | Info not available | 22 - 23 MPG |
| Seating Capacity | 3 - 6 seats | 5 seats |
| Cargo Space | 69.5 - 83.5 ft3 | Info not available |
| Engine |
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| Transmission | Automatic | Automatic |
| Drivetrain | Four Wheel Drive, Rear Wheel Drive | Four Wheel Drive, Rear Wheel Drive |
| Horsepower | 401 - 470 hp | 358 - 389 hp |
| Towing Capacity | 14,500 - 20,000 lbs | 8,300 - 12,000 lbs |
| Exterior Length | 236.3 - 266.8 in | 233.6 - 252.5 in |
| Exterior Width | 81.8 - 81.9 in | 80.2 in |
| Leg Room |
Front 44.5 in
Rear 35.2 - 43.4 in |
Front 41.2 in
Rear 33.3 - 41.6 in |
| Head Room |
Front 43.0 - 43.1 in
Rear 39.9 - 40.1 in |
Front 39.3 - 41.0 in
Rear 36.9 - 38.9 in |
*MSRP and Invoice prices displayed are for educational purposes only, do not reflect the actual selling price of a particular vehicle, and do not include applicable gas taxes or destination charges.
Comfort
Due to its greater head- and legroom, passengers in the extended cab will be able to stretch out a lot more in the Toyota Tundra than in the GMC Sierra 2500.
The GMC Sierra 2500 will be a favorite with tall drivers and their passengers, since it has much greater head- and legroom than the Toyota Tundra.
Cost
There are a lot of factors to consider when calculating the overall cost of a vehicle. The main consideration is Manufacturer's Suggested Retail Price (MSRP). The GMC Sierra 2500 is somewhat more expensive than the Toyota Tundra.
Dimensions
Since the GMC Sierra 2500 is much wider than the Toyota Tundra, finding a wide enough spot in a parking lot may be a bit more challenging.
For some people, bigger is better. If that's the case for you, then you'll be happier with the GMC Sierra 2500, which is slightly longer than the Toyota Tundra.
Handling
The GMC Sierra 2500 has a similar turning radius to the Toyota Tundra, so both should maneuver just as easily in and out of tight spots.
Performance
When considering towing capacity, the GMC Sierra 2500 is clearly the choice over the Toyota Tundra for pulling heavy loads.
The GMC Sierra 2500 has a little more horsepower than the Toyota Tundra.
Powertrain
With its lower torque engine, the GMC Sierra 2500 doesn't do as good a job transmitting horsepower to its wheels as the Toyota Tundra.
Utility
In terms of seating, you'll be able to fit the same number of people in the GMC Sierra 2500 as you will the Toyota Tundra.