2024 · Small SUV · Gas
2024 GMC Terrain MPG & fuel economy
The 2024 GMC Terrain is a small SUV offered in 2 EPA-rated configurations. The most efficient version returns 26 MPG combined (24 city / 29 highway) on regular gasoline. Across the lineup, combined ratings range from 25 to 26 MPG. Efficiency is unchanged from the 2023 model. Among 119 small SUVs rated for 2024, it ranks 67th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $1,788 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2024 GMC Terrain's fuel average is 11.1 km/L (9.0 L/100 km), or 26 MPG combined: 10.2 km/L in the city and 12.3 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 24 | 10.2 | 9.8 |
| Highway | 29 | 12.3 | 8.1 |
| Combined | 26 | 11.1 | 9.0 |
How it ranks among 2024 Small SUVs
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Terrain MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 1.5L 4-cyl turbo · 9-speed automatic Terrain FWD |
Gas | 24 MPG | 29 MPG | 26 MPG | — | $1,788 |
| AWD · 1.5L 4-cyl turbo · 9-speed automatic Terrain AWD |
Gas | 23 MPG | 28 MPG | 25 MPG | — | $1,860 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 1.5L 4-cyl turbo
- Transmission
- 9-speed automatic
- Drivetrain
- FWD
- Tailpipe CO₂
- 342 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 5/10
2024 GMC Terrain vs. rivals
Compare the 2024 Terrain
With any other car from any year, including other Terrain model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2024 GMC Terrain?
Up to 26 MPG combined (24 city / 29 highway); ratings range from 25 to 26 MPG depending on configuration.
What fuel does the 2024 GMC Terrain use?
Regular gasoline.
What is the fuel average in km/L for the 2024 GMC Terrain?
The 2024 GMC Terrain's fuel average is 11.1 km/L (9.0 L/100 km), or 26 MPG combined: 10.2 km/L in the city and 12.3 km/L on the highway.
How much does it cost to fuel the 2024 GMC Terrain per year?
About $1,788 at 15,000 miles a year with $3.10/gal regular gas, or $11.92 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.