2025 head-to-head · Midsize Car
2025 Audi A6 Hybrid vs Mercedes-Benz E-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.
The 2025 Mercedes-Benz E-Class Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,116 a year to fuel (28 MPG), versus $2,279 for the 2025 Audi A6 Hybrid (26 MPG). That's roughly $163 a year, or about $814 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 A6 Hybrid
- Mercedes-Benz E-Class Hybrid
Side by side
| Audi A6 Hybrid | Mercedes-Benz E-Class Hybrid | |
|---|---|---|
| $2,279 | Your annual fuel cost | $2,116 |
| 26 MPG | Combined efficiency | 28 MPG |
| 24 MPG | City | 25 MPG |
| 31 MPG | Highway | 33 MPG |
| 99 cu ft | Passenger volume | 100 cu ft |
| 14 cu ft | Cargo volume | 13 cu ft |
| 339 g/mi | Tailpipe CO₂ (g/mi) | 316 g/mi |
| 5/10 | EPA fuel economy score | 6/10 |
| 5/10 | 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 |
| 7-speed dual-clutch | Transmission | 9-speed automatic |
| AWD | Drivetrain | RWD |
✓ 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 A6 Hybrid vs Mercedes-Benz E-Class Hybrid across model years
- Audi A6 Hybrid
- Mercedes-Benz E-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
Per EPA interior volume figures, the Audi A6 Hybrid has more cargo space (14 vs. 13 cu ft).
Among 42 2025 midsize cars, the Audi A6 Hybrid ranks 29th and the Mercedes-Benz E-Class Hybrid 26th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 Audi A6 Hybrid or the 2025 Mercedes-Benz E-Class Hybrid?
Measured by cost to drive, the Mercedes-Benz E-Class Hybrid. The Audi A6 Hybrid is rated 26 MPG combined and the Mercedes-Benz E-Class Hybrid 28 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Audi A6 Hybrid vs. the Mercedes-Benz E-Class Hybrid per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,279 for the Audi A6 Hybrid and $2,116 for the Mercedes-Benz E-Class Hybrid.
Which has more cargo space?
The Audi A6 Hybrid, with 14 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).
Audi A6 Hybrid vs Mercedes-Benz E-Class Hybrid in other years
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