2016 head-to-head · Small SUV
2016 BMW X3 Diesel vs Mercedes-Benz GLA-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.
AWD · 2.0L 4-cyl turbo · 8-speed automatic · 30 MPG
The 2016 BMW X3 Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.70/gal diesel fuel and $3.95/gal premium gas, it costs about $1,850 a year to fuel (30 MPG), versus $2,116 for the 2016 Mercedes-Benz GLA-Class (28 MPG). That's roughly $266 a year, or about $1,330 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
- BMW X3 Diesel
- Mercedes-Benz GLA-Class
Side by side
| BMW X3 Diesel | Mercedes-Benz GLA-Class | |
|---|---|---|
| $1,850 | Your annual fuel cost | $2,116 |
| 30 MPG | Combined efficiency | 28 MPG |
| 27 MPG | City | 25 MPG |
| 33 MPG | Highway | 34 MPG |
| — | Passenger volume | 91 cu ft |
| — | Cargo volume | 42 cu ft |
| 345 g/mi | Tailpipe CO₂ (g/mi) | 312 g/mi |
| 7/10 | EPA fuel economy score | 7/10 |
| 6/10 | EPA greenhouse gas score | 7/10 |
| Diesel | Powertrain | Gas |
| Diesel | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | Transmission | 7-speed dual-clutch |
| AWD | 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.
BMW X3 Diesel vs Mercedes-Benz GLA-Class across model years
- BMW X3 Diesel
- Mercedes-Benz GLA-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 2016 small SUVs, the BMW X3 Diesel ranks 22nd and the Mercedes-Benz GLA-Class 39th for lowest fuel cost.
The powertrains differ: the BMW X3 Diesel is a diesel, while the Mercedes-Benz GLA-Class is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2016 BMW X3 Diesel or the 2016 Mercedes-Benz GLA-Class?
Measured by cost to drive, the BMW X3 Diesel. The BMW X3 Diesel is rated 30 MPG combined and the Mercedes-Benz GLA-Class 28 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2016 BMW X3 Diesel vs. the Mercedes-Benz GLA-Class per year?
At 15,000 miles a year with $3.70/gal diesel fuel and $3.95/gal premium gas, about $1,850 for the BMW X3 Diesel and $2,116 for the Mercedes-Benz GLA-Class.
BMW X3 Diesel vs Mercedes-Benz GLA-Class in other years
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