- Hybrid
- Midsize cars
- MY2002–2025
Audi S6 MPG & Fuel Cost by Year
19 model years · 2002–2025
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Audi S6 fuel economy at a glance
EPA has rated the Audi S6 for 19 model years, 2002 to 2025. Across those years its combined rating runs 15–22 MPG. The latest model year, 2025, has 1 configuration rated 22 MPG combined and costing $3,690 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2002 is the 2025 S6 2.9L 6-cyl AWD, at 22 MPG. EPA ratings go back to 1984: the earliest rating on this page is 18 MPG in 1995.
Audi S6 MPG by year
| Year | Gas (MPG) | Hybrid (MPG) | $/yr |
|---|---|---|---|
| 2024-2025 Generation page | |||
| 2025 | — | 22 | $3,690 |
| 2024 | — | 22 | $3,700 |
| 2023 Generation page | |||
| 2023 | — | 22 | $3,700 |
| 2022 Generation page | |||
| 2022 | — | 22 | $3,720 |
| 2020-2021 Generation page | |||
| 2021 | — | 22 | $3,730 |
| 2020 | — | 22 | $3,730 |
| 2013-2018 Generation page | |||
| 2018 | 18 | — | $4,360 |
| 2017 | 21 | — | $3,850 |
| 2016 | 21 | — | $3,850 |
| 2015 | 20 | — | $3,980 |
| 2014 | 20 | — | $3,990 |
| 2013 | 20 | — | $3,980 |
| 2010-2011 Generation page | |||
| 2011 | 16 | — | $4,900 |
| 2010 | 16 | — | $5,020 |
| 2007-2009 Generation page | |||
| 2009 | 16 | — | $5,020 |
| 2008 | 16 | — | $5,020 |
| 2007 | 16 | — | $5,020 |
| 2002-2003 Generation page | |||
| 2003 | 15 | — | $5,360 |
| 2002 | 15 | — | $5,360 |
Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.
Audi S6 generations
8 generations between 2002 and 2025. Open one for the table of every model year and configuration.
2024-2025 Audi S6
22 MPG · $3,690–$3,700/yr
2023 Audi S6
22 MPG · $3,700/yr
2022 Audi S6
22 MPG · $3,720/yr
2020-2021 Audi S6
22 MPG · $3,730/yr
2013-2018 Audi S6
18–21 MPG · $3,850–$4,360/yr
2010-2011 Audi S6
16 MPG · $4,900–$5,020/yr
2007-2009 Audi S6
16 MPG · $5,020/yr
2002-2003 Audi S6
15 MPG · $5,360/yr
2025 powertrain options
Audi S6 MPG history, 1995–1995
| Year | Gas (MPG) |
|---|---|
| 1995 | 18 |
EPA re-estimated the ratings of pre-2008 vehicles under its 2008 method; these are the re-estimated values.
More Audi models
Frequently asked questions
What is the Audi S6's gas mileage by year?
EPA combined ratings for the Audi S6 run 15–22 MPG across model years 2002 to 2025. The latest year, 2025, is rated 22 MPG.
Which Audi S6 model year has the best gas mileage?
The 2025 Audi S6 S6 2.9L 6-cyl AWD has the highest combined rating since 2002, at 22 MPG.
How much does a Audi S6 cost to fuel per year?
For MY2025, EPA-rated configurations cost $3,690 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,690.
Has the Audi S6's fuel economy improved over time?
Yes. The most efficient configuration moved from 15 MPG in 2002 to 22 MPG in 2025, 7 MPG more. Going back further, the best rating in 1984 was 18 MPG.
Is there a hybrid, plug-in or electric Audi S6?
Yes. Hybrid versions are rated from 2020 to 2025 (22 MPG).
Which Audi S6 model years have the same ratings?
EPA lists identical ratings as the previous year for 2008, 2009, 2021. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.