2020 head-to-head · Small SUV
2020 Fiat 500 vs GMC Terrain
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 2020 GMC Terrain is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,722 a year to fuel (27 MPG), versus $1,788 for the 2020 Fiat 500 (26 MPG). That's roughly $66 a year, or about $331 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
- Fiat 500
- GMC Terrain
Side by side
| Fiat 500 | GMC Terrain | |
|---|---|---|
| $1,788 | Your annual fuel cost | $1,722 |
| 26 MPG | Combined efficiency | 27 MPG |
| 24 MPG | City | 26 MPG |
| 30 MPG | Highway | 30 MPG |
| — | Passenger volume | 90 cu ft |
| — | Cargo volume | 13 cu ft |
| 342 g/mi | Tailpipe CO₂ (g/mi) | 325 g/mi |
| 5/10 | EPA fuel economy score | 6/10 |
| 5/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 1.3L 4-cyl turbo | Engine / motor | 1.5L 4-cyl turbo |
| 9-speed automatic | Transmission | 9-speed automatic |
| AWD | 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.
Fiat 500 vs GMC Terrain across model years
- Fiat 500
- GMC Terrain
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 87 2020 small SUVs, the Fiat 500 ranks 34th and the GMC Terrain 27th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2020 Fiat 500 or the 2020 GMC Terrain?
Measured by cost to drive, the GMC Terrain. The Fiat 500 is rated 26 MPG combined and the GMC Terrain 27 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Fiat 500 vs. the GMC Terrain per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,788 for the Fiat 500 and $1,722 for the GMC Terrain.
Fiat 500 vs GMC Terrain in other years
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