2026 head-to-head · Small SUV
2026 BMW X3 Hybrid vs Mercedes-Benz GLA-Class Hybrid
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 2026 BMW X3 Hybrid (29 MPG) costs about $2,043 a year to fuel and the 2026 Mercedes-Benz GLA-Class Hybrid (29 MPG) about $2,043.
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 Hybrid
- Mercedes-Benz GLA-Class Hybrid
Side by side
| BMW X3 Hybrid | Mercedes-Benz GLA-Class Hybrid | |
|---|---|---|
| $2,043 | Your annual fuel cost | $2,043 |
| 29 MPG | Combined efficiency | 29 MPG |
| 27 MPG | City | 26 MPG |
| 33 MPG | Highway | 34 MPG |
| 299 g/mi | Tailpipe CO₂ (g/mi) | 306 g/mi |
| 6/10 | EPA fuel economy score | 6/10 |
| 6/10 | EPA greenhouse gas score | 6/10 |
| Hybrid | Powertrain | Hybrid |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | Transmission | 8-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 Hybrid vs Mercedes-Benz GLA-Class Hybrid across model years
- BMW X3 Hybrid
- Mercedes-Benz GLA-Class Hybrid
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 114 2026 small SUVs, the BMW X3 Hybrid ranks 86th and the Mercedes-Benz GLA-Class Hybrid 87th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2026 BMW X3 Hybrid vs. the Mercedes-Benz GLA-Class Hybrid per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,043 for the BMW X3 Hybrid and $2,043 for the Mercedes-Benz GLA-Class Hybrid.
BMW X3 Hybrid vs Mercedes-Benz GLA-Class Hybrid in other years
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