2018 head-to-head · Small SUV
2018 Mazda CX-5 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.
The 2018 Mazda CX-5 is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, it costs about $1,661 a year to fuel (28 MPG), versus $1,914 for the 2018 Mazda CX-5 Diesel (29 MPG). That's roughly $253 a year, or about $1,265 over five years.
Your numbers
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Fuel cost over 10 years
- Mazda CX-5
- Mazda CX-5 Diesel
Side by side
| Mazda CX-5 | Mazda CX-5 Diesel | |
|---|---|---|
| $1,661 | Your annual fuel cost | $1,914 |
| 28 MPG | Combined efficiency | 29 MPG |
| 25 MPG | City | 28 MPG |
| 31 MPG | Highway | 31 MPG |
| 321 g/mi | Tailpipe CO₂ (g/mi) | 348 g/mi |
| 6/10 | EPA fuel economy score | 6/10 |
| 6/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Diesel |
| Regular gasoline | Fuel | Diesel |
| 2.5L 4-cyl | Engine / motor | 2.2L 4-cyl turbo |
| 6-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.
Mazda CX-5 vs Mazda CX-5 Diesel across model years
- Mazda CX-5
- 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 Mazda CX-5 ranks 14th and the Mazda CX-5 Diesel 31st for lowest fuel cost.
The powertrains differ: the Mazda CX-5 is a conventional gas model, while the Mazda CX-5 Diesel is a diesel.
Frequently asked questions
Which is more fuel-efficient, the 2018 Mazda CX-5 or the 2018 Mazda CX-5 Diesel?
Measured by cost to drive, the Mazda CX-5. The Mazda CX-5 is rated 28 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 Mazda CX-5 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 $1,661 for the Mazda CX-5 and $1,914 for the Mazda CX-5 Diesel.
Mazda CX-5 vs Mazda CX-5 Diesel in other years
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