2018 head-to-head · Small SUV
2018 Fiat 500 X vs Mazda CX-5 Diesel
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, the most efficient 2018 Fiat 500 X (25 MPG) costs about $1,860 a year to fuel and the 2018 Mazda CX-5 Diesel (29 MPG) about $1,914.
Your numbers
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Fuel cost over 10 years
- Fiat 500 X
- Mazda CX-5 Diesel
Side by side
| Fiat 500 X | Mazda CX-5 Diesel | |
|---|---|---|
| $1,860 | Your annual fuel cost | $1,914 |
| 25 MPG | Combined efficiency | 29 MPG |
| 22 MPG | City | 28 MPG |
| 30 MPG | Highway | 31 MPG |
| 354 g/mi | Tailpipe CO₂ (g/mi) | 348 g/mi |
| 5/10 | EPA fuel economy score | 6/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Diesel |
| Regular gasoline | Fuel | Diesel |
| 2.4L 4-cyl | Engine / motor | 2.2L 4-cyl turbo |
| 9-speed automatic | Transmission | 6-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.
Fiat 500 X vs Mazda CX-5 Diesel across model years
- Fiat 500 X
- Mazda CX-5 Diesel
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 68 2018 small SUVs, the Fiat 500 X ranks 29th and the Mazda CX-5 Diesel 31st for lowest fuel cost.
The powertrains differ: the Fiat 500 X is a conventional gas model, while the Mazda CX-5 Diesel is a diesel.
Frequently asked questions
Which is more fuel-efficient, the 2018 Fiat 500 X or the 2018 Mazda CX-5 Diesel?
Measured by cost to drive, the Fiat 500 X. The Fiat 500 X is rated 25 MPG combined and the Mazda CX-5 Diesel 29 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Fiat 500 X vs. the Mazda CX-5 Diesel per year?
At 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, about $1,860 for the Fiat 500 X and $1,914 for the Mazda CX-5 Diesel.
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