Audi S8 MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Audi S8 model year from 2001 to 2027 — each engine and transmission with its official city, highway and combined figures. Over these years the S8 has been offered with 4.0L 8-cyl, 5.2L 10-cyl, 4.2L 8-cyl engines; the most efficient version is the 2015 (up to 20 MPG combined). Every rated gas version calls for premium gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
Audi S8 fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2027 | 18 MPG | 4.0L 8-cyl | — | — |
| 2026 | 18 MPG | 4.0L 8-cyl | $126,320 | 48 listings |
| 2025 | 18 MPG | 4.0L 8-cyl | — | — |
| 2024 | 18 MPG | 4.0L 8-cyl | $84,900 | 18 listings |
| 2023 | 18 MPG | 4.0L 8-cyl | $74,997 | 31 listings |
| 2022 | 17 MPG | 4.0L 8-cyl | $68,480 | 10 listings |
| 2021 | 16 MPG | 4.0L 8-cyl | — | — |
| 2020 | 16 MPG | 4.0L 8-cyl | $49,491 | 18 listings |
| 2018 | 18 MPG | 4.0L 8-cyl | — | — |
| 2017 | 18 MPG | 4.0L 8-cyl | — | — |
| 2016 | 18 MPG | 4.0L 8-cyl | — | — |
| 2015 | 20 MPG | 4.0L 8-cyl | $18,980 | 6 listings |
| 2014 | 18 MPG | 4.0L 8-cyl | — | — |
| 2013 | 18 MPG | 4.0L 8-cyl | — | — |
| 2009 | 15 MPG | 5.2L 10-cyl | — | — |
| 2008 | 15 MPG | 5.2L 10-cyl | — | — |
| 2007 | 15 MPG | 5.2L 10-cyl | — | — |
| 2003 | 16 MPG | 4.2L 8-cyl | — | — |
| 2002 | 15 MPG | 4.2L 8-cyl | — | — |
| 2001 | 15 MPG | 4.2L 8-cyl | — | — |
2027 Audi S8: engines & MPG
The 2027 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 15 | 24 | 18 MPG |
2026 Audi S8: engines & MPG
The 2026 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 18 MPG. Used 2026 models currently list for a median of $126,320 on VehiSales (48 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 15 | 24 | 18 MPG |
2025 Audi S8: engines & MPG
The 2025 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 15 | 24 | 18 MPG |
2024 Audi S8: engines & MPG
The 2024 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 18 MPG. Used 2024 models currently list for a median of $84,900 on VehiSales (18 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 15 | 24 | 18 MPG |
2023 Audi S8: engines & MPG
The 2023 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 18 MPG. Used 2023 models currently list for a median of $74,997 on VehiSales (31 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 15 | 23 | 18 MPG |
2022 Audi S8: engines & MPG
The 2022 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 17 MPG. Used 2022 models currently list for a median of $68,480 on VehiSales (10 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 14 | 23 | 17 MPG |
2021 Audi S8: engines & MPG
The 2021 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 16 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 13 | 22 | 16 MPG |
2020 Audi S8: engines & MPG
The 2020 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 16 MPG. Used 2020 models currently list for a median of $49,491 on VehiSales (18 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 13 | 22 | 16 MPG |
2018 Audi S8: engines & MPG
The 2018 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 14 | 24 | 18 MPG |
2017 Audi S8: engines & MPG
The 2017 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 15 | 24 | 18 MPG |
2016 Audi S8: engines & MPG
The 2016 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 15 | 25 | 18 MPG |
2015 Audi S8: engines & MPG
The 2015 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 20 MPG. Used 2015 models currently list for a median of $18,980 on VehiSales (6 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 16 | 27 | 20 MPG |
2014 Audi S8: engines & MPG
The 2014 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 15 | 26 | 18 MPG |
2013 Audi S8: engines & MPG
The 2013 S8 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.0L 8-cyl | Automatic (S8) | Premium | 15 | 26 | 18 MPG |
2009 Audi S8: engines & MPG
The 2009 S8 was EPA-rated in 1 version (5.2L 10-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 5.2L 10-cyl | Automatic (S6) | Premium | 13 | 19 | 15 MPG |
2008 Audi S8: engines & MPG
The 2008 S8 was EPA-rated in 1 version (5.2L 10-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 5.2L 10-cyl | Automatic (S6) | Premium | 13 | 19 | 15 MPG |
2007 Audi S8: engines & MPG
The 2007 S8 was EPA-rated in 1 version (5.2L 10-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 5.2L 10-cyl | Automatic (S6) | Premium | 13 | 19 | 15 MPG |
2003 Audi S8: engines & MPG
The 2003 S8 was EPA-rated in 1 version (4.2L 8-cyl), with combined economy of 16 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 | 4.2L 8-cyl | Automatic (S5) | Premium | 14 | 20 | 16 MPG |
2002 Audi S8: engines & MPG
The 2002 S8 was EPA-rated in 1 version (4.2L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 quattro | 4.2L 8-cyl | Automatic (S5) | Premium | 13 | 20 | 15 MPG |
2001 Audi S8: engines & MPG
The 2001 S8 was EPA-rated in 1 version (4.2L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| S8 quattro | 4.2L 8-cyl | Automatic 5-spd | Premium | 13 | 20 | 15 MPG |
Frequently asked questions
What MPG does an Audi S8 get?
Depending on year and engine, EPA combined ratings for the S8 range from 15 to 20 MPG. The most efficient rated version is the 2015 model year.
What engines does the 2027 Audi S8 have?
The 2027 S8 was EPA-rated with 4.0L 8-cyl engines — see the 2027 table above for each version's exact city/highway figures.
Does the Audi S8 require premium gas?
Yes — every EPA-rated gas S8 version specifies premium gasoline.
Is there a hybrid or electric S8?
Yes — the ratings above include hybrid versions; look for them in the per-year tables.
https://vehisales.com/research/fuel-economy/audi/s8.
See also: Audi S8 hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].