2025 head-to-head · Compact Car
2025 Audi A4 Hybrid vs Mercedes-Benz CLA-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 dual-clutch · 23 MPG
The 2025 Audi A4 Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,043 a year to fuel (29 MPG), versus $2,576 for the 2025 Mercedes-Benz CLA-Class (23 MPG). That's roughly $533 a year, or about $2,665 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 A4 Hybrid
- Mercedes-Benz CLA-Class
Side by side
| Audi A4 Hybrid | Mercedes-Benz CLA-Class | |
|---|---|---|
| $2,043 | Your annual fuel cost | $2,576 |
| 29 MPG | Combined efficiency | 23 MPG |
| 26 MPG | City | 20 MPG |
| 36 MPG | Highway | 28 MPG |
| 92 cu ft | Passenger volume | 89 cu ft |
| 12 cu ft | Cargo volume | 12 cu ft |
| 301 g/mi | Tailpipe CO₂ (g/mi) | 379 g/mi |
| 6/10 | EPA fuel economy score | 5/10 |
| 6/10 | EPA greenhouse gas score | 5/10 |
| Hybrid | Powertrain | Gas |
| Premium 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 | AWD |
✓ 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 A4 Hybrid vs Mercedes-Benz CLA-Class across model years
- Audi A4 Hybrid
- Mercedes-Benz CLA-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
Per EPA interior volume figures, the Audi A4 Hybrid has more passenger space (92 vs. 89 cu ft).
Among 26 2025 compact cars, the Audi A4 Hybrid ranks 17th and the Mercedes-Benz CLA-Class 24th for lowest fuel cost.
The powertrains differ: the Audi A4 Hybrid is a full hybrid, while the Mercedes-Benz CLA-Class is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2025 Audi A4 Hybrid or the 2025 Mercedes-Benz CLA-Class?
Measured by cost to drive, the Audi A4 Hybrid. The Audi A4 Hybrid is rated 29 MPG combined and the Mercedes-Benz CLA-Class 23 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Audi A4 Hybrid vs. the Mercedes-Benz CLA-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,043 for the Audi A4 Hybrid and $2,576 for the Mercedes-Benz CLA-Class.
Audi A4 Hybrid vs Mercedes-Benz CLA-Class in other years
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