Audi A8 MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Audi A8 model year from 1997 to 2027 — each engine and transmission with its official city, highway and combined figures. Over these years the A8 has been offered with 3.0L 6-cyl, 4.0L 8-cyl, 6.3L 12-cyl, 4.2L 8-cyl, 6.0L 12-cyl, 3.7L 8-cyl power plants; the most efficient version is the 2016 (up to 28 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Audi A8 fuel economy by year

YearCombined MPGEnginesMedian used priceFor sale
2027 22 3.0L 6-cyl
2026 22 3.0L 6-cyl $104,295 32 listings
2025 22 3.0L 6-cyl $74,996 12 listings
2024 22 3.0L 6-cyl $53,988 9 listings
2023 22 3.0L 6-cyl $49,500 45 listings
2022 22 3.0L 6-cyl $44,995 39 listings
2021 18–23 3.0L 6-cyl, 4.0L 8-cyl $37,496 44 listings
2020 18–23 3.0L 6-cyl, 4.0L 8-cyl $37,000 23 listings
2019 18–22 3.0L 6-cyl, 4.0L 8-cyl $28,999 71 listings
2018 19–22 3.0L 6-cyl, 4.0L 8-cyl
2017 22 4.0L 8-cyl, 3.0L 6-cyl $19,997 48 listings
2016 16–28 3.0L 6-cyl, 4.0L 8-cyl, 6.3L 12-cyl $15,995 27 listings
2015 16–28 3.0L 6-cyl, 4.0L 8-cyl, 6.3L 12-cyl $16,495 83 listings
2014 15–28 3.0L 6-cyl, 4.0L 8-cyl, 6.3L 12-cyl
2013 15–21 3.0L 6-cyl, 4.0L 8-cyl, 6.3L 12-cyl
2012 16–21 4.2L 8-cyl, 6.3L 12-cyl
2011 21 4.2L 8-cyl
2010 18 4.2L 8-cyl
2009 15–18 4.2L 8-cyl, 6.0L 12-cyl
2008 15–18 4.2L 8-cyl, 6.0L 12-cyl
2007 15–18 4.2L 8-cyl, 6.0L 12-cyl
2006 15–18 4.2L 8-cyl, 6.0L 12-cyl
2005 15–18 4.2L 8-cyl, 6.0L 12-cyl
2004 18 4.2L 8-cyl
2003 18 4.2L 8-cyl
2002 18 4.2L 8-cyl
2001 18 4.2L 8-cyl
2000 18 4.2L 8-cyl
1999 18 4.2L 8-cyl, 3.7L 8-cyl
1998 18 4.2L 8-cyl, 3.7L 8-cyl
1997 18 4.2L 8-cyl, 3.7L 8-cyl

2027 Audi A8: engines & MPG

The 2027 A8 was EPA-rated in 1 version (3.0L 6-cyl), with combined economy of 22 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 quattro 3.0L 6-cyl Automatic (S8) Premium 19 27 22 MPG

2026 Audi A8: engines & MPG

The 2026 A8 was EPA-rated in 1 version (3.0L 6-cyl), with combined economy of 22 MPG. Used 2026 models currently list for a median of $104,295 on VehiSales (32 for sale).

VersionEngineTransmissionFuelCityHwyCombined
A8 quattro 3.0L 6-cyl Automatic (S8) Premium 19 27 22 MPG

2025 Audi A8: engines & MPG

The 2025 A8 was EPA-rated in 1 version (3.0L 6-cyl), with combined economy of 22 MPG. Used 2025 models currently list for a median of $74,996 on VehiSales (12 for sale).

VersionEngineTransmissionFuelCityHwyCombined
A8 quattro 3.0L 6-cyl Automatic (S8) Premium 20 26 22 MPG

2024 Audi A8: engines & MPG

The 2024 A8 was EPA-rated in 1 version (3.0L 6-cyl), with combined economy of 22 MPG. Used 2024 models currently list for a median of $53,988 on VehiSales (9 for sale).

VersionEngineTransmissionFuelCityHwyCombined
A8 quattro 3.0L 6-cyl Automatic (S8) Premium 19 28 22 MPG

2023 Audi A8: engines & MPG

The 2023 A8 was EPA-rated in 1 version (3.0L 6-cyl), with combined economy of 22 MPG. Used 2023 models currently list for a median of $49,500 on VehiSales (45 for sale).

VersionEngineTransmissionFuelCityHwyCombined
A8 L 3.0L 6-cyl Automatic (S8) Premium 19 28 22 MPG

2022 Audi A8: engines & MPG

The 2022 A8 was EPA-rated in 1 version (3.0L 6-cyl), with combined economy of 22 MPG. Used 2022 models currently list for a median of $44,995 on VehiSales (39 for sale).

VersionEngineTransmissionFuelCityHwyCombined
A8 L quattro 3.0L 6-cyl Automatic (S8) Premium 19 28 22 MPG

2021 Audi A8: engines & MPG

The 2021 A8 was EPA-rated in 3 versions (3.0L 6-cyl, 4.0L 8-cyl), with combined economy from 18 to 23 MPG. Used 2021 models currently list for a median of $37,496 on VehiSales (44 for sale).

VersionEngineTransmissionFuelCityHwyCombined
A8 L 3.0L 6-cyl Automatic (S8) Premium 21 26 23 MPG · 420 mi range
A8 L 3.0L 6-cyl Automatic (S8) Premium 17 26 21 MPG
A8 L 4.0L 8-cyl Automatic (S8) Premium 15 23 18 MPG

2020 Audi A8: engines & MPG

The 2020 A8 was EPA-rated in 3 versions (3.0L 6-cyl, 4.0L 8-cyl), with combined economy from 18 to 23 MPG. Used 2020 models currently list for a median of $37,000 on VehiSales (23 for sale).

VersionEngineTransmissionFuelCityHwyCombined
A8 L 3.0L 6-cyl Automatic (S8) Premium 21 27 23 MPG · 420 mi range
A8 L 3.0L 6-cyl Automatic (S8) Premium 17 26 21 MPG
A8 L 4.0L 8-cyl Automatic (S8) Premium 15 23 18 MPG

2019 Audi A8: engines & MPG

The 2019 A8 was EPA-rated in 2 versions (3.0L 6-cyl, 4.0L 8-cyl), with combined economy from 18 to 22 MPG. Used 2019 models currently list for a median of $28,999 on VehiSales (71 for sale).

VersionEngineTransmissionFuelCityHwyCombined
A8 L 3.0L 6-cyl Automatic (S8) Premium 19 27 22 MPG
A8 L 4.0L 8-cyl Automatic (S8) Premium 15 23 18 MPG

2018 Audi A8: engines & MPG

The 2018 A8 was EPA-rated in 2 versions (3.0L 6-cyl, 4.0L 8-cyl), with combined economy from 19 to 22 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 L 3.0L 6-cyl Automatic (S8) Premium 19 29 22 MPG
A8 L 4.0L 8-cyl Automatic (S8) Premium 16 26 19 MPG

2017 Audi A8: engines & MPG

The 2017 A8 was EPA-rated in 2 versions (4.0L 8-cyl, 3.0L 6-cyl), with combined economy of 22 MPG. Used 2017 models currently list for a median of $19,997 on VehiSales (48 for sale).

VersionEngineTransmissionFuelCityHwyCombined
A8 L 4.0L 8-cyl Automatic (S8) Premium 18 29 22 MPG
A8 L 3.0L 6-cyl Automatic (S8) Premium 19 29 22 MPG

2016 Audi A8: engines & MPG

The 2016 A8 was EPA-rated in 4 versions (3.0L 6-cyl, 4.0L 8-cyl, 6.3L 12-cyl), with combined economy from 16 to 28 MPG. Used 2016 models currently list for a median of $15,995 on VehiSales (27 for sale).

VersionEngineTransmissionFuelCityHwyCombined
A8 L 3.0L 6-cyl Automatic (S8) Diesel 24 36 28 MPG
A8 L 3.0L 6-cyl Automatic (S8) Premium 19 29 22 MPG
A8 L 4.0L 8-cyl Automatic (S8) Premium 18 29 22 MPG
A8 L 6.3L 12-cyl Automatic (S8) Premium 13 22 16 MPG

2015 Audi A8: engines & MPG

The 2015 A8 was EPA-rated in 6 versions (3.0L 6-cyl, 4.0L 8-cyl, 6.3L 12-cyl), with combined economy from 16 to 28 MPG. Used 2015 models currently list for a median of $16,495 on VehiSales (83 for sale).

VersionEngineTransmissionFuelCityHwyCombined
A8 L 3.0L 6-cyl Automatic (S8) Diesel 24 36 28 MPG
A8 3.0L 6-cyl Automatic (S8) Premium 19 29 22 MPG
A8 4.0L 8-cyl Automatic (S8) Premium 18 30 22 MPG
A8 L 3.0L 6-cyl Automatic (S8) Premium 19 29 22 MPG
A8 L 4.0L 8-cyl Automatic (S8) Premium 18 29 21 MPG
A8 L 6.3L 12-cyl Automatic (S8) Premium 13 22 16 MPG

2014 Audi A8: engines & MPG

The 2014 A8 was EPA-rated in 6 versions (3.0L 6-cyl, 4.0L 8-cyl, 6.3L 12-cyl), with combined economy from 15 to 28 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 L 3.0L 6-cyl Automatic (S8) Diesel 24 36 28 MPG
A8 3.0L 6-cyl Automatic (S8) Premium 18 28 21 MPG
A8 4.0L 8-cyl Automatic (S8) Premium 17 28 21 MPG
A8 L 3.0L 6-cyl Automatic (S8) Premium 18 28 21 MPG
A8 L 4.0L 8-cyl Automatic (S8) Premium 16 26 19 MPG
A8 L 6.3L 12-cyl Automatic (S8) Premium 13 20 15 MPG

2013 Audi A8: engines & MPG

The 2013 A8 was EPA-rated in 5 versions (3.0L 6-cyl, 4.0L 8-cyl, 6.3L 12-cyl), with combined economy from 15 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 L 3.0L 6-cyl Automatic (S8) Premium 18 28 21 MPG
A8 4.0L 8-cyl Automatic (S8) Premium 17 28 21 MPG
A8 3.0L 6-cyl Automatic (S8) Premium 18 28 21 MPG
A8 L 4.0L 8-cyl Automatic (S8) Premium 16 26 19 MPG
A8 L 6.3L 12-cyl Automatic (S8) Premium 13 20 15 MPG

2012 Audi A8: engines & MPG

The 2012 A8 was EPA-rated in 3 versions (4.2L 8-cyl, 6.3L 12-cyl), with combined economy from 16 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 L 4.2L 8-cyl Automatic (S8) Premium 18 28 21 MPG
A8 4.2L 8-cyl Automatic (S8) Premium 18 28 21 MPG
A8 L 6.3L 12-cyl Automatic (S8) Premium 14 21 16 MPG

2011 Audi A8: engines & MPG

The 2011 A8 was EPA-rated in 2 versions (4.2L 8-cyl), with combined economy of 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 4.2L 8-cyl Automatic (S8) Premium 17 27 21 MPG
A8 L 4.2L 8-cyl Automatic (S8) Premium 17 27 21 MPG

2010 Audi A8: engines & MPG

The 2010 A8 was EPA-rated in 2 versions (4.2L 8-cyl), with combined economy of 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 L 4.2L 8-cyl Automatic (S6) Premium 16 23 18 MPG
A8 4.2L 8-cyl Automatic (S6) Premium 16 23 18 MPG

2009 Audi A8: engines & MPG

The 2009 A8 was EPA-rated in 3 versions (4.2L 8-cyl, 6.0L 12-cyl), with combined economy from 15 to 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 4.2L 8-cyl Automatic (S6) Premium 16 23 18 MPG
A8 L 4.2L 8-cyl Automatic (S6) Premium 16 23 18 MPG
A8 L 6.0L 12-cyl Automatic (S6) Premium 13 19 15 MPG

2008 Audi A8: engines & MPG

The 2008 A8 was EPA-rated in 3 versions (4.2L 8-cyl, 6.0L 12-cyl), with combined economy from 15 to 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 4.2L 8-cyl Automatic (S6) Premium 16 23 18 MPG
A8 L 4.2L 8-cyl Automatic (S6) Premium 16 23 18 MPG
A8 L 6.0L 12-cyl Automatic (S6) Premium 13 19 15 MPG

2007 Audi A8: engines & MPG

The 2007 A8 was EPA-rated in 3 versions (4.2L 8-cyl, 6.0L 12-cyl), with combined economy from 15 to 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 L 4.2L 8-cyl Automatic (S6) Premium 16 23 18 MPG
A8 4.2L 8-cyl Automatic (S6) Premium 16 23 18 MPG
A8 L 6.0L 12-cyl Automatic (S6) Premium 13 19 15 MPG

2006 Audi A8: engines & MPG

The 2006 A8 was EPA-rated in 3 versions (4.2L 8-cyl, 6.0L 12-cyl), with combined economy from 15 to 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 4.2L 8-cyl Automatic (S6) Premium 16 22 18 MPG
A8 L 4.2L 8-cyl Automatic (S6) Premium 16 22 18 MPG
A8 L 6.0L 12-cyl Automatic (S6) Premium 13 19 15 MPG

2005 Audi A8: engines & MPG

The 2005 A8 was EPA-rated in 3 versions (4.2L 8-cyl, 6.0L 12-cyl), with combined economy from 15 to 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 L 4.2L 8-cyl Automatic (S6) Premium 16 22 18 MPG
A8 4.2L 8-cyl Automatic (S6) Premium 16 22 18 MPG
A8 L 6.0L 12-cyl Automatic (S6) Premium 13 19 15 MPG

2004 Audi A8: engines & MPG

The 2004 A8 was EPA-rated in 1 version (4.2L 8-cyl), with combined economy of 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 L 4.2L 8-cyl Automatic (S6) Premium 16 22 18 MPG

2003 Audi A8: engines & MPG

The 2003 A8 was EPA-rated in 2 versions (4.2L 8-cyl), with combined economy of 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 L 4.2L 8-cyl Automatic (S5) Premium 15 23 18 MPG
A8 4.2L 8-cyl Automatic (S5) Premium 15 23 18 MPG

2002 Audi A8: engines & MPG

The 2002 A8 was EPA-rated in 2 versions (4.2L 8-cyl), with combined economy of 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 L 4.2L 8-cyl Automatic (S5) Premium 15 23 18 MPG
A8 quattro 4.2L 8-cyl Automatic (S5) Premium 15 23 18 MPG

2001 Audi A8: engines & MPG

The 2001 A8 was EPA-rated in 2 versions (4.2L 8-cyl), with combined economy of 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 quattro 4.2L 8-cyl Automatic (S5) Premium 15 23 18 MPG
A8 L 4.2L 8-cyl Automatic (S5) Premium 15 23 18 MPG

2000 Audi A8: engines & MPG

The 2000 A8 was EPA-rated in 2 versions (4.2L 8-cyl), with combined economy of 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 L 4.2L 8-cyl Automatic 5-spd Premium 15 22 18 MPG
A8 quattro 4.2L 8-cyl Automatic 5-spd Premium 15 22 18 MPG

1999 Audi A8: engines & MPG

The 1999 A8 was EPA-rated in 2 versions (4.2L 8-cyl, 3.7L 8-cyl), with combined economy of 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 quattro 4.2L 8-cyl Automatic 5-spd Premium 15 23 18 MPG
A8 3.7L 8-cyl Automatic 5-spd Premium 15 24 18 MPG

1998 Audi A8: engines & MPG

The 1998 A8 was EPA-rated in 2 versions (4.2L 8-cyl, 3.7L 8-cyl), with combined economy of 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 4.2L 8-cyl Automatic 5-spd Premium 15 23 18 MPG
A8 3.7L 8-cyl Automatic 5-spd Premium 15 24 18 MPG

1997 Audi A8: engines & MPG

The 1997 A8 was EPA-rated in 2 versions (4.2L 8-cyl, 3.7L 8-cyl), with combined economy of 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
A8 4.2L 8-cyl Automatic 5-spd Premium 15 23 18 MPG
A8 3.7L 8-cyl Automatic 5-spd Premium 15 24 18 MPG

Frequently asked questions

What MPG does a Audi A8 get?

Depending on year and engine, EPA combined economy for the A8 ranges from 15 to 28 MPG. The most efficient rated version is the 2016 model year.

What engines does the 2027 Audi A8 have?

The 2027 A8 was EPA-rated with 3.0L 6-cyl — see the 2027 table above for each version's exact city/highway figures.

Does the Audi A8 require premium gas?

Some versions do: EPA lists premium and diesel depending on year and engine — check your year's table above.

Is there a hybrid or electric A8?

Yes — the ratings above include hybrid versions; look for them in the per-year tables.

How to cite: “VehiSales Research, Audi A8 EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/audi/a8. Underlying ratings are public-domain EPA/DOE data from fueleconomy.gov.

See also: Audi A8 hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

© 2026 VehiSales · Data from live US vehicle listings · Methodology · Editorial policy · About · Press: cite as “VehiSales Used Car Price Index” with a link to this page.