2026 GMC Terrain MPG
EPA-rated · verified snapshot 2026-08-30 · Small Sport Utility Vehicle 2WD
The 2026 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.)
329 g/miCO₂
RegularFuel
$-5005-yr fuel cost vs. average vehicle
5 / 10EPA Fuel Economy & GHG score
Where it sits among compact suvs (2026)
Every 2026 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 2026 Terrain rank among compact suvs for MPG?
The 2026 Terrain's 27 MPG combined is below the compact suvs average of 51.3 MPG for 2026.
How much does it cost to fuel a 2026 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 2026 Terrain?
The most efficient trim is rated 26 MPG city and 28 MPG highway.