2021 head-to-head · Small SUV
2021 Infiniti QX50 vs Mercedes-Benz GLB-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.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2021 Infiniti QX50 (26 MPG) costs about $2,279 a year to fuel and the 2021 Mercedes-Benz GLB-Class (26 MPG) about $2,279.
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 QX50
- Mercedes-Benz GLB-Class
Side by side
| Infiniti QX50 | Mercedes-Benz GLB-Class | |
|---|---|---|
| $2,279 | Your annual fuel cost | $2,279 |
| 26 MPG | Combined efficiency | 26 MPG |
| 23 MPG | City | 23 MPG |
| 29 MPG | Highway | 31 MPG |
| 349 g/mi | Tailpipe CO₂ (g/mi) | 337 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| CVT | Transmission | 8-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 QX50 vs Mercedes-Benz GLB-Class across model years
- Infiniti QX50
- Mercedes-Benz GLB-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 92 2021 small SUVs, the Infiniti QX50 ranks 72nd and the Mercedes-Benz GLB-Class 74th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2021 Infiniti QX50 vs. the Mercedes-Benz GLB-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,279 for the Infiniti QX50 and $2,279 for the Mercedes-Benz GLB-Class.
Infiniti QX50 vs Mercedes-Benz GLB-Class in other years
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