- Hybrid
- Large cars
- MY2001–2027
Audi S8 MPG & Fuel Cost by Year
20 model years · 2001–2027
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Audi S8 fuel economy at a glance
EPA has rated the Audi S8 for 20 model years, 2001 to 2027. Across those years its combined rating runs 15–20 MPG. The latest model year, 2027, has 1 configuration rated 18 MPG combined and costing $4,540 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2001 is the 2015 S8 4.0L 8-cyl turbo AWD, at 20 MPG. Model year 2027 is still being filled in by EPA, so its row may gain configurations.
Audi S8 MPG by year
| Year | Gas (MPG) | Hybrid (MPG) | $/yr |
|---|---|---|---|
| 2020-2027* Generation page | |||
| 2027 (partial) | — | 18 | $4,540 |
| 2026 | — | 18 | $4,540 |
| 2025 | — | 18 | $4,540 |
| 2024 | — | 18 | $4,540 |
| 2023 | — | 18 | $4,570 |
| 2022 | — | 17 | $4,730 |
| 2021 | — | 16 | $4,950 |
| 2020 | — | 16 | $4,950 |
| 2013-2018 Generation page | |||
| 2018 | 18 | — | $4,570 |
| 2017 | 18 | — | $4,560 |
| 2016 | 18 | — | $4,460 |
| 2015 | 20 | — | $4,080 |
| 2014 | 18 | — | $4,460 |
| 2013 | 18 | — | $4,460 |
| 2007-2009 Generation page | |||
| 2009 | 15 | — | $5,360 |
| 2008 | 15 | — | $5,360 |
| 2007 | 15 | — | $5,360 |
| 2002-2003 Generation page | |||
| 2003 | 16 | — | $5,020 |
| 2002 | 15 | — | $5,360 |
| 2001 Generation page | |||
| 2001 | 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 S8 generations
5 generations between 2001 and 2027. Open one for the table of every model year and configuration.
2027 powertrain options
More Audi models
Frequently asked questions
What is the Audi S8's gas mileage by year?
EPA combined ratings for the Audi S8 run 15–20 MPG across model years 2001 to 2027. The latest year, 2027, is rated 18 MPG.
Which Audi S8 model year has the best gas mileage?
The 2015 Audi S8 S8 4.0L 8-cyl turbo AWD has the highest combined rating since 2001, at 20 MPG.
How much does a Audi S8 cost to fuel per year?
For MY2027, EPA-rated configurations cost $4,540 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $4,540.
Has the Audi S8's fuel economy improved over time?
Yes. The most efficient configuration moved from 15 MPG in 2001 to 18 MPG in 2027, 3 MPG more.
Is there a hybrid, plug-in or electric Audi S8?
Yes. Hybrid versions are rated from 2020 to 2027 (16–18 MPG).
Which Audi S8 model years have the same ratings?
EPA lists identical ratings as the previous year for 2008, 2009, 2014, 2021, 2025, 2027. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.
How many generations of the Audi S8 are there?
EPA data covers 5 generations of the Audi S8: 2020-2027*, 2013-2018, 2007-2009, 2002-2003, 2001. Each has its own page with a table for every model year.