2026 GMC
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2025 GMC
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| MPG - City | Info not available | Info not available |
| MPG - Hwy | Info not available | Info not available |
| Seating Capacity | 3 - 6 seats | 2 - 5 seats |
| Cargo Space | 69.5 - 83.5 ft3 | 69.5 - 83.5 ft3 |
| 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 | 401 - 470 hp |
| Towing Capacity | 14,500 - 20,000 lbs | 20,000 lbs |
| Exterior Length | 236.3 - 266.8 in | 236.6 - 266.8 in |
| Exterior Width | 81.8 - 81.9 in | 81.8 - 81.9 in |
| Leg Room |
Front 44.5 in
Rear 35.2 - 43.4 in |
Front 44.5 in
Rear 35.2 - 43.4 in |
| Head Room |
Front 43.0 - 43.1 in
Rear 39.9 - 40.1 in |
Front 43.0 - 43.1 in
Rear 39.9 - 40.1 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 GMC Sierra 3500 than in the GMC Sierra 2500.
As far as headroom and legroom go, there's not much difference between the GMC Sierra 2500 and the GMC Sierra 3500.
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). Whether you pick the GMC Sierra 2500 or the GMC Sierra 3500, it's going to cost you about the same.
Dimensions
The GMC Sierra 2500 is about the same width as the GMC Sierra 3500.
If you go with the GMC Sierra 2500, you'll have a much easier time finding a large enough space to park than you will with the GMC Sierra 3500.
Handling
The GMC Sierra 2500 has a significantly smaller turning radius than the GMC Sierra 3500, allowing you to more easily maneuver in and out of tight spots.
Performance
In terms of towing capacity, the GMC Sierra 3500 is clearly the choice over the GMC Sierra 2500 for pulling heavy loads.
In terms of horsepower, it's a virtual tie between the GMC Sierra 2500 and the GMC Sierra 3500.
Powertrain
With similar torque, the engines of the GMC Sierra 2500 and the GMC Sierra 3500 are able to equally transmit their respective horsepower to the wheels.
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 GMC Sierra 3500.
The GMC Sierra 3500 has a lot more cargo capacity for hauling lumber or gardening supplies than the GMC Sierra 2500.