2025 GMC Sierra 2500 vs. 2025 GMC Sierra 3500 Review

Picture of the 2025 GMC Sierra 2500

2025 GMC
Sierra 2500

MSRP*: $46,300 to $93,100
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Picture of the 2025 GMC Sierra 3500

2025 GMC
Sierra 3500

MSRP*: $47,500 to $96,400
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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
  • 470-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
  • 470-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
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.

Comparison Review

Comfort
The GMC Sierra 2500 offers passengers in its extended cab about the same head- and legroom as the GMC Sierra 3500. 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. When looking at overall length, the GMC Sierra 2500 takes up about the same amount of space in your garage as the GMC Sierra 3500.

Handling
The GMC Sierra 2500 has a similar turning radius to the GMC Sierra 3500, so both should maneuver just as easily in and out of tight spots.

Performance
If you've got something you need to tow, the GMC Sierra 2500 will do just as well as the GMC Sierra 3500, since they have about the same towing capacity. 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. You'll be able to fit about the same amount of lumber or gardening supplies into the bed of the GMC Sierra 2500 as you will with the GMC Sierra 3500.