2027 GMC Terrain MPG
EPA-rated · verified snapshot 2026-08-30 · Small Sport Utility Vehicle 2WD
The 2027 GMC Terrain gets 26 MPG combined — 25 city and 28 highway — in its most efficient configuration (1.5L · 4-cyl · Automatic 8-spd · Front-Wheel Drive).
City25 MPG
Highway28 MPG
$2,350Fuel cost / yr (EPA est.)
342 g/miCO₂
RegularFuel
$-7505-yr fuel cost vs. average vehicle
5 / 10EPA Fuel Economy & GHG score
Where it sits among compact suvs (2027)
Compared with the 2026 model, the 2027 Terrain is -1 MPG worse at its best.
Every 2027 Terrain trim
| Configuration | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|
| 1.5L · 4-cyl · Automatic 8-spd · Front-Wheel Drive | 25 | 28 | 26 | $2,350 |
| 1.5L · 4-cyl · Automatic 8-spd · All-Wheel Drive | 24 | 28 | 25 | $2,450 |
FAQ
Where does the 2027 Terrain rank among compact suvs for MPG?
The 2027 Terrain's 26 MPG combined is below the compact suvs average of 55.5 MPG for 2027.
How much does it cost to fuel a 2027 Terrain per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,350 for the most efficient trim.
What is the city and highway MPG of the 2027 Terrain?
The most efficient trim is rated 25 MPG city and 28 MPG highway.