2025 GMC Sierra 1500 vs. 2024 RAM 3500 Review

Picture of the 2025 GMC Sierra 1500

2025 GMC
Sierra 1500

MSRP*: $38,300 to $84,200
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Picture of the 2024 RAM 3500

2024 RAM
3500

MSRP*: $46,255 to $79,140
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MPG - City 14 - 21 MPG Info not available
MPG - Hwy 17 - 23 MPG Info not available
Seating Capacity 2 - 6 seats 2 - 6 seats
Cargo Space 62.9 - 89.1 ft3 57.5 - 74.9 ft3
Engine
  • 305-hp, 3.0-liter, Straight 6 Cylinder Engine (Diesel Fuel)
  • 310-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel)
  • 420-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
  • 420-hp, 6.7-liter, Straight 6 Cylinder Engine (Diesel Fuel)
Transmission Automatic Automatic
Drivetrain Four Wheel Drive, Rear Wheel Drive Four Wheel Drive, Rear Wheel Drive
Horsepower 305 - 420 hp 370 - 410 hp
Towing Capacity 8,800 - 13,200 lbs 14,290 - 23,000 lbs
Exterior Length 211.0 - 242.5 in 232.0 - 260.8 in
Exterior Width 81.2 - 81.2 in 79.4 in
Leg Room Front 44.5 in
Rear 35.2 - 43.4 in
Front 40.9 in
Rear 40.2 - 43.1 in
Head Room Front 43.0 - 43.1 in
Rear 39.9 - 40.1 in
Front 39.8 - 40.9 in
Rear 39.8 - 40.3 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 will be able to stretch out a lot more with the GMC Sierra 1500 than the RAM 3500. The GMC Sierra 1500 will be a favorite with tall drivers and their passengers, since it has much greater head- and legroom than the RAM 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). When looking only at MSRP, the GMC Sierra 1500 will have less of an impact on your bank account than the RAM 3500.

Dimensions
Since the GMC Sierra 1500 is much wider than the RAM 3500, finding a wide enough spot in a parking lot may be a bit more challenging. When looking at overall length, the GMC Sierra 1500 takes up about the same amount of space in your garage as the RAM 3500.

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

Performance
With the RAM 3500, you'll be able to pull heavier loads than the GMC Sierra 1500 due to its slightly better towing capacity. When it comes to horsepower, the GMC Sierra 1500 is clearly outclassed by the RAM 3500.

Powertrain
With similar torque, the engines of the GMC Sierra 1500 and the RAM 3500 are able to equally transmit their respective horsepower to the wheels.

Utility
The GMC Sierra 1500 offers a little more seating capacity than the RAM 3500, making it a better choice for those who often have a crew with them. The GMC Sierra 1500 has a slightly greater cargo capacity for your lumber or other material than the RAM 3500.