2025 · Midsize Car · Hybrid
2025 Audi S6 Hybrid MPG & fuel economy
The 2025 Audi S6 Hybrid is a midsize car with one EPA-rated configuration. The most efficient version returns 22 MPG combined (19 city / 27 highway) on premium gasoline. Efficiency is unchanged from the 2024 model. Among 42 midsize cars rated for 2025, it ranks 38th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,693 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2025 Audi S6 Hybrid's fuel average is 9.4 km/L (10.7 L/100 km), or 22 MPG combined: 8.1 km/L in the city and 11.5 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 19 | 8.1 | 12.4 |
| Highway | 27 | 11.5 | 8.7 |
| Combined | 22 | 9.4 | 10.7 |
How it ranks among 2025 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
S6 Hybrid MPG across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| AWD · 2.9L 6-cyl · 8-speed automatic S6 |
Hybrid | 19 MPG | 27 MPG | 22 MPG | — | $2,693 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 2.9L 6-cyl
- Transmission
- 8-speed automatic
- Drivetrain
- AWD
- Passenger volume
- 99 cu ft
- Cargo volume
- 14 cu ft
- Tailpipe CO₂
- 408 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 5/10
2025 Audi S6 Hybrid vs. rivals
Compare the 2025 S6 Hybrid
With any other car from any year, including other S6 Hybrid model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2025 Audi S6 Hybrid?
Up to 22 MPG combined (19 city / 27 highway).
What fuel does the 2025 Audi S6 Hybrid use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2025 Audi S6 Hybrid?
The 2025 Audi S6 Hybrid's fuel average is 9.4 km/L (10.7 L/100 km), or 22 MPG combined: 8.1 km/L in the city and 11.5 km/L on the highway.
How much does it cost to fuel the 2025 Audi S6 Hybrid per year?
About $2,693 at 15,000 miles a year with $3.95/gal premium gas, or $17.95 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.