GMC
Terrain AWD Denali/AT4
U.S. fuel economy and specifications from the EPA.
25Best combined MPG2026 model year
2026–2027Model years2 with EPA ratings
2Rated configurationsDrive, transmission and engine
1.5 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
2026 25 MPG
2027 25 MPG
1 configuration.
All-Wheel Drive · Automatic 8-spd
Regular gasoline · Small Sport Utility Vehicle 4WD
- Combined MPG
- 25
- Engine displacement
- 1.5 L
- Cylinders
- 4
All-Wheel Drive · Automatic 8-spd
Regular gasoline · Small Sport Utility Vehicle 4WD
- Combined MPG
- 25
- Engine displacement
- 1.5 L
- Cylinders
- 4