2020 head-to-head · Small SUV
2020 Lexus NX 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.
The 2020 Mercedes-Benz GLB-Class is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel (26 MPG), versus $2,370 for the 2020 Lexus NX (25 MPG). That's roughly $91 a year, or about $456 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
- Lexus NX
- Mercedes-Benz GLB-Class
Side by side
| Lexus NX | Mercedes-Benz GLB-Class | |
|---|---|---|
| $2,370 | Your annual fuel cost | $2,279 |
| 25 MPG | Combined efficiency | 26 MPG |
| 22 MPG | City | 23 MPG |
| 28 MPG | Highway | 30 MPG |
| 358 g/mi | Tailpipe CO₂ (g/mi) | 344 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 |
| 6-speed automatic | 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.
Lexus NX vs Mercedes-Benz GLB-Class across model years
- Lexus NX
- 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 87 2020 small SUVs, the Lexus NX ranks 70th and the Mercedes-Benz GLB-Class 67th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2020 Lexus NX or the 2020 Mercedes-Benz GLB-Class?
Measured by cost to drive, the Mercedes-Benz GLB-Class. The Lexus NX is rated 25 MPG combined and the Mercedes-Benz GLB-Class 26 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Lexus NX vs. the Mercedes-Benz GLB-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,370 for the Lexus NX and $2,279 for the Mercedes-Benz GLB-Class.
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