2023 head-to-head · Small SUV
2023 GMC Terrain vs Toyota Highlander
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2023 GMC Terrain is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,788 a year to fuel (26 MPG), versus $1,860 for the 2023 Toyota Highlander (25 MPG). That's roughly $72 a year, or about $358 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- GMC Terrain
- Toyota Highlander
Side by side
| GMC Terrain | Toyota Highlander | |
|---|---|---|
| $1,788 | Your annual fuel cost | $1,860 |
| 26 MPG | Combined efficiency | 25 MPG |
| 24 MPG | City | 22 MPG |
| 29 MPG | Highway | 29 MPG |
| 338 g/mi | Tailpipe CO₂ (g/mi) | 359 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 1.5L 4-cyl turbo | Engine / motor | 2.4L 4-cyl turbo |
| 9-speed automatic | Transmission | 8-speed automatic |
| FWD | Drivetrain | FWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
GMC Terrain vs Toyota Highlander across model years
- GMC Terrain
- Toyota Highlander
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Among 118 2023 small SUVs, the GMC Terrain ranks 58th and the Toyota Highlander 66th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2023 GMC Terrain or the 2023 Toyota Highlander?
Measured by cost to drive, the GMC Terrain. The GMC Terrain is rated 26 MPG combined and the Toyota Highlander 25 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2023 GMC Terrain vs. the Toyota Highlander per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,788 for the GMC Terrain and $1,860 for the Toyota Highlander.
GMC Terrain vs Toyota Highlander in other years
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