2025 GMC Sierra 3500 vs. 2025 RAM 1500 Review

Picture of the 2025 GMC Sierra 3500

2025 GMC
Sierra 3500

MSRP*: $47,500 to $96,400
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Picture of the 2025 RAM 1500

2025 RAM
1500

MSRP*: $40,275 to $87,075
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MPG - City Info not available 15 - 20 MPG
MPG - Hwy Info not available 21 - 26 MPG
Seating Capacity 2 - 5 seats 5 - 6 seats
Cargo Space 69.5 - 83.5 ft3 40.6 - 61.5 ft3
Engine
  • 470-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
  • 305-hp, 3.6-liter, V6 Cylinder Engine (Gasoline/Mild Electric Hybrid)
  • 420-hp, 3.0-liter, Straight 6 Cylinder Engine (Gasoline Fuel)
  • 540-hp, 3.0-liter, Straight 6 Cylinder Engine (Gasoline Fuel)
Transmission Automatic Automatic
Drivetrain Four Wheel Drive, Rear Wheel Drive Four Wheel Drive, Rear Wheel Drive
Horsepower 401 - 470 hp 305 - 540 hp
Towing Capacity 20,000 lbs 6,370 - 11,140 lbs
Exterior Length 236.6 - 266.8 in 228.9 - 241.8 in
Exterior Width 81.8 - 81.9 in 82.1 in
Leg Room Front 44.5 in
Rear 35.2 - 43.4 in
Front 40.9 in
Rear 35.6 - 45.2 in
Head Room Front 43.0 - 43.1 in
Rear 39.9 - 40.1 in
Front 40.9 in
Rear 39.2 - 39.8 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
Passengers in the extended cab may find themselves a little more squished in the GMC Sierra 3500 than the RAM 1500. The GMC Sierra 3500 will be a favorite with tall drivers and their passengers, since it has much greater head- and legroom than the RAM 1500.

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 3500 is somewhat more expensive than the RAM 1500.

Dimensions
The GMC Sierra 3500 is about the same width as the RAM 1500. For some people, bigger is better. If that's the case for you, then you'll be happier with the GMC Sierra 3500, which is slightly longer than the RAM 1500.

Handling
The GMC Sierra 3500 has a larger turning radius than the RAM 1500, making it slightly more difficult to maneuver in and out of tight spots.

Performance
When considering towing capacity, the GMC Sierra 3500 is clearly the choice over the RAM 1500 for pulling heavy loads. The GMC Sierra 3500 has a little less horsepower than the RAM 1500.

Powertrain
With similar torque, the engines of the GMC Sierra 3500 and the RAM 1500 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 3500 as you will the RAM 1500. The GMC Sierra 3500 has a slightly greater cargo capacity for your lumber or other material than the RAM 1500.