2025 GMC Terrain MPG and Fuel Cost
The 2025 GMC Terrain is rated 25 to 27 mpg combined across 2 EPA-tested gas versions; the best is the 1.5L turbo 4-cyl · FWD · CVT.
EPA fuel economy
2025 GMC Terrain · 2 EPA-tested versionsBest EPA rating
27MPG combined
26 city 28 highway
$2,400 a year to fuel
1.5L turbo 4-cyl · FWD · CVT
Best version costs $500 more in fuel over 5 years vs the average new vehicle (EPA)
Fuel cost: 15,000 miles a year at EPA's $4.32 a gallon (regular gas).
At EPA's price assumptions, fuel costs $2,400 to $2,600 a year. Compared with 2024, the best gas version is up 1 mpg.
Every 2025 Terrain version
EPA's ratings for each version it tested. Fuel cost is EPA's estimate for 15,000 miles a year at its current prices.
| Version | Combined | City / Hwy | Fuel / year |
|---|---|---|---|
1.5L turbo 4-cyl · FWD · CVT Best
EPA listing: Terrain FWD |
27 mpg | 26 / 28 | $2,400 |
1.5L turbo 4-cyl · AWD · 8-speed automatic
EPA listing: Terrain AWD |
25 mpg | 24 / 28 | $2,600 |
Fuel cost at your prices
EPA's annual cost uses 15,000 miles a year, 55% city driving and its current prices: $4.32 a gallon for regular gas. Change the numbers to match your driving.
| Version | Per year | 5 years |
|---|---|---|
1.5L turbo 4-cyl · FWD · CVT | $2,400 | $12,000 |
1.5L turbo 4-cyl · AWD · 8-speed automatic | $2,592 | $12,960 |
At the default settings the results match EPA's annual cost before EPA rounds it to the nearest $50.
GMC Terrain MPG by model year
The best-rated version in each model year; the highlighted year is this page. Gas: 25 to 28 mpg (every year from 2016 to 2026); highest in 2018. Diesel: 32 mpg (2018 to 2019).
- Best gas version
- Best diesel version
2025: gas 27 mpg · diesel not offeredTap or drag across the chart for other years.
Show as a table
| Model year | Best gas version | Best diesel version |
|---|---|---|
| 2016 | 26 | – |
| 2017 | 25 | – |
| 2018 | 28 | 32 |
| 2019 | 28 | 32 |
| 2020 | 27 | – |
| 2021 | 27 | – |
| 2022 | 27 | – |
| 2023 | 26 | – |
| 2024 | 26 | – |
| 2025 | 27 | – |
| 2026 | 27 | – |
How the 2025 Terrain compares
2025 compact SUVs covered on this site, ranked by their best combined rating. Fuel cost is for each model's cheapest version to run, at EPA's prices.
| 2025 model | Best combined | Best gas | Fuel / year |
|---|---|---|---|
Best: hybrid |
43 mpg | 28 mpg | $1,500 |
Best: hybrid |
40 mpg | 30 mpg | $1,600 |
Best: hybrid |
39 mpg | 30 mpg | $1,650 |
Best: hybrid |
39 mpg | 30 mpg | $1,650 |
Best: hybrid |
38 mpg | 28 mpg | $1,700 |
Best: hybrid |
38 mpg | 28 mpg | $1,700 |
Best: hybrid |
35 mpg | 29 mpg | $1,850 |
Best: gas |
33 mpg | 33 mpg | $1,950 |
Best: gas |
29 mpg | 29 mpg | $2,250 |
Best: gas |
28 mpg | 28 mpg | $2,300 |
Best: gas |
28 mpg | 28 mpg | $2,300 |
Best: gas |
27 mpg | 27 mpg | $2,400 |
Best: gas |
27 mpg | 27 mpg | $2,400 |
Best: gas |
27 mpg | 27 mpg | $2,400 |
GMC Terrain This page Best: gas |
27 mpg | 27 mpg | $2,400 |
2025 Terrain recalls and complaints
NHTSA lists 0 safety recalls and 13 owner complaints for the 2025 Terrain.What they cover, and crash test ratingsQuestions
Does the 2025 GMC Terrain need premium gas?
No. EPA lists every 2025 GMC Terrain version on regular gasoline.
How does the 2025 Terrain's MPG compare with the 2024?
For 2025, the best gas version is rated 27 mpg, up 1 from 26.
Sources and method
- US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Sep 18, 2026.
- EPA fuel price assumptions: regular $4.32, midgrade $4.93, premium $5.32, diesel $6.29 a gallon; electricity $0.15 per kWh.
- Recall and complaint counts: NHTSA recall file dated Sep 29, 2026 and complaint file dated Sep 28, 2026.
Ratings are EPA estimates. Real-world mileage depends on how, where and in what weather you drive. How we build these pages. Spotted an error? Tell us.