GMC Terrain Third generation

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
| Specification | North America | Wikipedia |
|---|---|---|
| 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 version | Engine | Fuel | Gearbox | Drive | Consumption (combined) | CO₂ |
|---|---|---|---|---|---|---|
| 2025–2027SIDI | 1.5 L | Petrol | 8-speed automatic | All-wheel drive | 25 MPG (9.4 L/100 km) EPA | 221–223 g/km |
| 2027SIDI | 1.5 L | Petrol | 8-speed automatic | Front-wheel drive | 26 MPG (9.0 L/100 km) EPA | 213 g/km |
| 2025–2026SIDI | 1.5 L | Petrol | Continuously variable (CVT) | Front-wheel drive | 27 MPG (8.7 L/100 km) EPA | 204–206 g/km |
Canada 2 versions
Model years sold in Canada, from Natural Resources Canada fuel consumption ratings (5-cycle test).
| Years and version | Engine | Fuel | Gearbox | Consumption (combined) | CO₂ |
|---|---|---|---|---|---|
| 2025–2026Sport utility vehicle: Small | 1.5 L | Petrol | Continuously variable (CVT) | 8.8 L/100 km 5-cycle | 206–207 g/km |
| 2025–2026Sport utility vehicle: Small | 1.5 L | Petrol | 8-speed automatic | 9.3–9.5 L/100 km 5-cycle | 219–222 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.





