2017 head-to-head · Compact Car
2017 Infiniti QX30 vs Mercedes-Benz CLA-Class
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 2017 Mercedes-Benz CLA-Class is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,043 a year to fuel (29 MPG), versus $2,194 for the 2017 Infiniti QX30 (27 MPG). That's roughly $151 a year, or about $757 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
- Infiniti QX30
- Mercedes-Benz CLA-Class
Side by side
| Infiniti QX30 | Mercedes-Benz CLA-Class | |
|---|---|---|
| $2,194 | Your annual fuel cost | $2,043 |
| 27 MPG | Combined efficiency | 29 MPG |
| 24 MPG | City | 24 MPG |
| 33 MPG | Highway | 36 MPG |
| 89 cu ft | Passenger volume | 88 cu ft |
| 19 cu ft | Cargo volume | 13 cu ft |
| 324 g/mi | Tailpipe CO₂ (g/mi) | 311 g/mi |
| 6/10 | EPA fuel economy score | 7/10 |
| 6/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 7-speed dual-clutch | Transmission | 7-speed dual-clutch |
| 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.
Infiniti QX30 vs Mercedes-Benz CLA-Class across model years
- Infiniti QX30
- Mercedes-Benz CLA-Class
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
Per EPA interior volume figures, the Infiniti QX30 has more cargo space (19 vs. 13 cu ft).
Among 50 2017 compact cars, the Infiniti QX30 ranks 38th and the Mercedes-Benz CLA-Class 34th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2017 Infiniti QX30 or the 2017 Mercedes-Benz CLA-Class?
Measured by cost to drive, the Mercedes-Benz CLA-Class. The Infiniti QX30 is rated 27 MPG combined and the Mercedes-Benz CLA-Class 29 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2017 Infiniti QX30 vs. the Mercedes-Benz CLA-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,194 for the Infiniti QX30 and $2,043 for the Mercedes-Benz CLA-Class.
Which has more cargo space?
The Infiniti QX30, with 19 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).
Infiniti QX30 vs Mercedes-Benz CLA-Class in other years
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