2026 GMC Terrain vs. 2025 Mercedes-Benz GLC 300 Review

Picture of the 2026 GMC Terrain

2026 GMC
Terrain

MSRP*: $30,100 to $41,800
See details & photos

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Picture of the 2025 Mercedes-Benz GLC 300

2025 Mercedes-Benz
GLC 300

MSRP*: $49,250 to $51,250
See details & photos

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MPG - City 24 - 26 MPG 23 - 26 MPG
MPG - Hwy 26 - 28 MPG 31 - 33 MPG
Seating Capacity 5 seats 5 seats
Cargo Space 63.5 ft3 56.3 ft3
Engine
  • 175-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)
  • 255-hp, 2.0-liter, 4 Cylinder Engine (Gasoline/Mild Electric Hybrid)
Transmission Automatic, Continuously Variable Automatic
Drivetrain All Wheel Drive, Front Wheel Drive All Wheel Drive, Rear Wheel Drive
Horsepower 175 hp 255 hp
Towing Capacity Info not available 4,409 - 5,291 lbs
Exterior Length 181.0 in 185.7 in
Exterior Width 74.5 in 75.6 in
Leg Room Front 44.0 in
Rear 39.7 in
Info not available
Head Room Front 40.6 in
Rear 39.2 in
Front 41.3 in
Rear 39.6 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
Rear passengers will be able to stretch out a lot more in the GMC Terrain than in the Mercedes-Benz GLC 300. The GMC Terrain will be popular with taller drivers and passengers in the front seat, due to its greater front head- and legroom than the Mercedes-Benz GLC 300.

Convenience
With the Mercedes-Benz GLC 300, you will definitely be making fewer stops at the gas station than with the GMC Terrain, due to its tank size and fuel economy.

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). Clearly, the GMC Terrain is a better financial choice over the Mercedes-Benz GLC 300, when considering MSRP.

Dimensions
The GMC Terrain is a little narrower than the Mercedes-Benz GLC 300, so you'll have an easier time getting in and out of the car in a tight parking spot. The GMC Terrain is slightly shorter than the Mercedes-Benz GLC 300, which may make it easier to park.

Handling
The GMC Terrain has a smaller turning radius than the Mercedes-Benz GLC 300, allowing you to more easily maneuver in and out of tight spots.

Performance
When it comes to horsepower, the GMC Terrain has a lot less horsepower than the Mercedes-Benz GLC 300.

Powertrain
Due to its much higher torque, the GMC Terrain does a much better job of transmitting its engine's horsepower to its wheels than the Mercedes-Benz GLC 300.

Utility
In terms of seating, you'll be able to fit about the same number of people in both the GMC Terrain and the Mercedes-Benz GLC 300. The GMC Terrain has a roomier cargo area for putting your bags or other items than the Mercedes-Benz GLC 300.