2015 head-to-head · Small SUV
2015 Infiniti QX70 vs Mercedes-Benz GLK-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 2015 Mercedes-Benz GLK-Class is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,693 a year to fuel (22 MPG), versus $3,118 for the 2015 Infiniti QX70 (19 MPG). That's roughly $425 a year, or about $2,126 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 QX70
- Mercedes-Benz GLK-Class
Side by side
| Infiniti QX70 | Mercedes-Benz GLK-Class | |
|---|---|---|
| $3,118 | Your annual fuel cost | $2,693 |
| 19 MPG | Combined efficiency | 22 MPG |
| 17 MPG | City | 19 MPG |
| 24 MPG | Highway | 26 MPG |
| 457 g/mi | Tailpipe CO₂ (g/mi) | 413 g/mi |
| 4/10 | EPA fuel economy score | 5/10 |
| 4/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.7L 6-cyl | Engine / motor | 3.5L 6-cyl |
| 7-speed automatic | Transmission | 7-speed automatic |
| RWD | Drivetrain | RWD |
✓ 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 QX70 vs Mercedes-Benz GLK-Class across model years
- Infiniti QX70
- Mercedes-Benz GLK-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
Among 60 2015 small SUVs, the Infiniti QX70 ranks 57th and the Mercedes-Benz GLK-Class 55th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 Infiniti QX70 or the 2015 Mercedes-Benz GLK-Class?
Measured by cost to drive, the Mercedes-Benz GLK-Class. The Infiniti QX70 is rated 19 MPG combined and the Mercedes-Benz GLK-Class 22 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Infiniti QX70 vs. the Mercedes-Benz GLK-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,118 for the Infiniti QX70 and $2,693 for the Mercedes-Benz GLK-Class.
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