2025 GMC Terrain MPG
EPA-rated · verified snapshot 2026-08-30 · Small Sport Utility Vehicle 2WD
The 2025 GMC Terrain gets 27 MPG combined — 26 city and 28 highway — in its most efficient configuration (1.5L · 4-cyl · Automatic (variable gear ratios) · Front-Wheel Drive).
City26 MPG
Highway28 MPG
$2,300Fuel cost / yr (EPA est.)
332 g/miCO₂
RegularFuel
$-5005-yr fuel cost vs. average vehicle
5 / 10EPA Fuel Economy & GHG score
Where it sits among compact suvs (2025)
Compared with the 2024 model, the 2025 Terrain is +1 MPG better at its best.
Every 2025 Terrain trim
| Configuration | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|
| 1.5L · 4-cyl · Automatic (variable gear ratios) · Front-Wheel Drive | 26 | 28 | 27 | $2,300 |
| 1.5L · 4-cyl · Automatic 8-spd · All-Wheel Drive | 24 | 28 | 25 | $2,450 |
FAQ
Where does the 2025 Terrain rank among compact suvs for MPG?
The 2025 Terrain's 27 MPG combined is below the compact suvs average of 45.4 MPG for 2025.
How much does it cost to fuel a 2025 Terrain per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,300 for the most efficient trim.
What is the city and highway MPG of the 2025 Terrain?
The most efficient trim is rated 26 MPG city and 28 MPG highway.