GMC Terrain Third generation

GMC Terrain Third generation
Photo: Deathpallie325 / Wikimedia Commons · CC BY 4.0

The GMC Terrain Third generation (since 2025): dimensions, weights, reliability and the official figures of its 5 versions in the United States and Canada.

Model codes: D2XX

Dimensions, weights and capacity

SpecificationNorth AmericaWikipedia
Dimensions
Length–4,653 mm
Width–1,902 mm
Height–1,666 mm
Wheelbase–2,731 mm
Seats and space
Luggage space (EPA)850 L EPA–
Passenger space (EPA)2,945 L EPA–

Ranges cover the generation’s versions and body styles; European and North American versions can differ. Sources: Wikipedia, US EPA fuel economy data. Wikipedia figures are used under CC BY-SA 4.0.

Reliability and owner reports

Owner complaints to NHTSA (US)

46 complaints for model years 2025–2026. 3 crashes · 2 fires · 2 injuries

Complaints are reported by owners and not checked by NHTSA; they are not adjusted for how many cars were sold, so popular models have more. NHTSA owner complaints

All 5 versions of the GMC Terrain Third generation

United States 3 versions

Model years sold in the USA, from the EPA and the Department of Energy (fueleconomy.gov). MPG on the EPA test; litres per 100 km = 235.215 ÷ MPG.

Years and versionEngineFuelGearboxDriveConsumption (combined)CO₂
2025–2027SIDI1.5 LPetrol8-speed automaticAll-wheel drive25 MPG (9.4 L/100 km) EPA221–223 g/km
2027SIDI1.5 LPetrol8-speed automaticFront-wheel drive26 MPG (9.0 L/100 km) EPA213 g/km
2025–2026SIDI1.5 LPetrolContinuously variable (CVT)Front-wheel drive27 MPG (8.7 L/100 km) EPA204–206 g/km

Canada 2 versions

Model years sold in Canada, from Natural Resources Canada fuel consumption ratings (5-cycle test).

Years and versionEngineFuelGearboxConsumption (combined)CO₂
2025–2026Sport utility vehicle: Small1.5 LPetrolContinuously variable (CVT)8.8 L/100 km 5-cycle206–207 g/km
2025–2026Sport utility vehicle: Small1.5 LPetrol8-speed automatic9.3–9.5 L/100 km 5-cycle219–222 g/km

Similar models from other brands

Official figures are measured on standard test procedures and differ between markets. Your consumption depends on how, where and in what conditions you drive.