2026 head-to-head · Small SUV
2026 Audi Q3 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.
AWD · 2.0L 4-cyl turbo · 7-speed dual-clutch · 25 MPG
The 2026 Audi Q3 is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, it costs about $1,860 a year to fuel (25 MPG), versus $2,043 for the 2026 Mercedes-Benz GLA-Class Hybrid (29 MPG). That's roughly $183 a year, or about $916 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
- Audi Q3
- Mercedes-Benz GLA-Class Hybrid
Side by side
| Audi Q3 | Mercedes-Benz GLA-Class Hybrid | |
|---|---|---|
| $1,860 | Your annual fuel cost | $2,043 |
| 25 MPG | Combined efficiency | 29 MPG |
| 22 MPG | City | 26 MPG |
| 29 MPG | Highway | 34 MPG |
| 362 g/mi | Tailpipe CO₂ (g/mi) | 306 g/mi |
| 5/10 | EPA fuel economy score | 6/10 |
| 5/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Hybrid |
| Regular gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 7-speed dual-clutch | 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.
Audi Q3 vs Mercedes-Benz GLA-Class Hybrid across model years
- Audi Q3
- 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 Audi Q3 ranks 76th and the Mercedes-Benz GLA-Class Hybrid 87th for lowest fuel cost.
The powertrains differ: the Audi Q3 is a conventional gas model, while the Mercedes-Benz GLA-Class Hybrid is a full hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2026 Audi Q3 or the 2026 Mercedes-Benz GLA-Class Hybrid?
Measured by cost to drive, the Audi Q3. The Audi Q3 is rated 25 MPG combined and the Mercedes-Benz GLA-Class Hybrid 29 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Audi Q3 vs. the Mercedes-Benz GLA-Class Hybrid per year?
At 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, about $1,860 for the Audi Q3 and $2,043 for the Mercedes-Benz GLA-Class Hybrid.
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