Audi S6 MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Audi S6 model year from 1995 to 2027 — each engine and transmission with its official city, highway and combined figures. Over these years the S6 has been offered with Electric, 2.9L 6-cyl, 4.0L 8-cyl, 5.2L 10-cyl, 4.2L 8-cyl, 2.2L 5-cyl powertrains; the most efficient version is the 2025 (up to 22 MPG combined). Electric versions are shown in MPGe — a different unit, listed separately from gas MPG. 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 S6 fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2027 100–103 MPGe Electric — —
2025 22 MPG 2.9L 6-cyl $81,288 9 listings
2024 22 MPG 2.9L 6-cyl — —
2023 22 MPG 2.9L 6-cyl $57,992 18 listings
2022 22 MPG 2.9L 6-cyl $49,999 13 listings
2021 22 MPG 2.9L 6-cyl $44,982 17 listings
2020 22 MPG 2.9L 6-cyl $33,995 18 listings
2018 18 MPG 4.0L 8-cyl $32,994 12 listings
2017 21 MPG 4.0L 8-cyl $26,998 32 listings
2016 21 MPG 4.0L 8-cyl $24,467 39 listings
2015 20 MPG 4.0L 8-cyl — —
2014 20 MPG 4.0L 8-cyl — —
2013 20 MPG 4.0L 8-cyl — —
2011 16 MPG 5.2L 10-cyl — —
2010 16 MPG 5.2L 10-cyl — —
2009 16 MPG 5.2L 10-cyl — —
2008 16 MPG 5.2L 10-cyl — —
2007 16 MPG 5.2L 10-cyl — —
2003 15 MPG 4.2L 8-cyl — —
2002 15 MPG 4.2L 8-cyl — —
1995 18 MPG 2.2L 5-cyl — —

2027 Audi S6: engines & MPG

The 2027 S6 was EPA-rated in 2 versions (Electric), electric versions rated 100–103 MPGe.

VersionEngineTransmissionFuelCityHwyCombined
S6 e-tron (20 inch wheels) Electric Automatic (A1) Electricity 106 100 103 MPGe · 326 mi range
S6 e-tron (21 inch wheels) Electric Automatic (A1) Electricity 103 97 100 MPGe · 311 mi range

2025 Audi S6: engines & MPG

The 2025 S6 was EPA-rated in 1 version (2.9L 6-cyl), with combined economy of 22 MPG. Used 2025 models currently list for a median of $81,288 on VehiSales (9 for sale).

VersionEngineTransmissionFuelCityHwyCombined
S6 2.9L 6-cyl Automatic (S8) Premium 19 27 22 MPG

2024 Audi S6: engines & MPG

The 2024 S6 was EPA-rated in 1 version (2.9L 6-cyl), with combined economy of 22 MPG.

VersionEngineTransmissionFuelCityHwyCombined
S6 2.9L 6-cyl Automatic (S8) Premium 19 26 22 MPG

2023 Audi S6: engines & MPG

The 2023 S6 was EPA-rated in 1 version (2.9L 6-cyl), with combined economy of 22 MPG. Used 2023 models currently list for a median of $57,992 on VehiSales (18 for sale).

VersionEngineTransmissionFuelCityHwyCombined
S6 2.9L 6-cyl Automatic (S8) Premium 19 26 22 MPG

2022 Audi S6: engines & MPG

The 2022 S6 was EPA-rated in 1 version (2.9L 6-cyl), with combined economy of 22 MPG. Used 2022 models currently list for a median of $49,999 on VehiSales (13 for sale).

VersionEngineTransmissionFuelCityHwyCombined
S6 2.9L 6-cyl Automatic (S8) Premium 18 28 22 MPG

2021 Audi S6: engines & MPG

The 2021 S6 was EPA-rated in 1 version (2.9L 6-cyl), with combined economy of 22 MPG. Used 2021 models currently list for a median of $44,982 on VehiSales (17 for sale).

VersionEngineTransmissionFuelCityHwyCombined
S6 2.9L 6-cyl Automatic (S8) Premium 18 28 22 MPG

2020 Audi S6: engines & MPG

The 2020 S6 was EPA-rated in 1 version (2.9L 6-cyl), with combined economy of 22 MPG. Used 2020 models currently list for a median of $33,995 on VehiSales (18 for sale).

VersionEngineTransmissionFuelCityHwyCombined
S6 2.9L 6-cyl Automatic (S8) Premium 18 28 22 MPG

2018 Audi S6: engines & MPG

The 2018 S6 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 18 MPG. Used 2018 models currently list for a median of $32,994 on VehiSales (12 for sale).

VersionEngineTransmissionFuelCityHwyCombined
S6 4.0L 8-cyl Automatic (AM-S7) Premium 16 24 18 MPG

2017 Audi S6: engines & MPG

The 2017 S6 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 21 MPG. Used 2017 models currently list for a median of $26,998 on VehiSales (32 for sale).

VersionEngineTransmissionFuelCityHwyCombined
S6 4.0L 8-cyl Automatic (AM-S7) Premium 18 27 21 MPG

2016 Audi S6: engines & MPG

The 2016 S6 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 21 MPG. Used 2016 models currently list for a median of $24,467 on VehiSales (39 for sale).

VersionEngineTransmissionFuelCityHwyCombined
S6 4.0L 8-cyl Automatic (AM-S7) Premium 18 27 21 MPG

2015 Audi S6: engines & MPG

The 2015 S6 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
S6 4.0L 8-cyl Automatic (AM-S7) Premium 17 27 20 MPG

2014 Audi S6: engines & MPG

The 2014 S6 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
S6 4.0L 8-cyl Automatic (AM-S7) Premium 17 27 20 MPG

2013 Audi S6: engines & MPG

The 2013 S6 was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
S6 4.0L 8-cyl Automatic (AM-S7) Premium 17 27 20 MPG

2011 Audi S6: engines & MPG

The 2011 S6 was EPA-rated in 1 version (5.2L 10-cyl), with combined economy of 16 MPG.

VersionEngineTransmissionFuelCityHwyCombined
S6 5.2L 10-cyl Automatic (S6) Premium 14 21 16 MPG

2010 Audi S6: engines & MPG

The 2010 S6 was EPA-rated in 1 version (5.2L 10-cyl), with combined economy of 16 MPG.

VersionEngineTransmissionFuelCityHwyCombined
S6 5.2L 10-cyl Automatic (S6) Premium 14 19 16 MPG

2009 Audi S6: engines & MPG

The 2009 S6 was EPA-rated in 1 version (5.2L 10-cyl), with combined economy of 16 MPG.

VersionEngineTransmissionFuelCityHwyCombined
S6 5.2L 10-cyl Automatic (S6) Premium 14 19 16 MPG

2008 Audi S6: engines & MPG

The 2008 S6 was EPA-rated in 1 version (5.2L 10-cyl), with combined economy of 16 MPG.

VersionEngineTransmissionFuelCityHwyCombined
S6 5.2L 10-cyl Automatic (S6) Premium 14 19 16 MPG

2007 Audi S6: engines & MPG

The 2007 S6 was EPA-rated in 1 version (5.2L 10-cyl), with combined economy of 16 MPG.

VersionEngineTransmissionFuelCityHwyCombined
S6 5.2L 10-cyl Automatic (S6) Premium 14 19 16 MPG

2003 Audi S6: engines & MPG

The 2003 S6 was EPA-rated in 1 version (4.2L 8-cyl), with combined economy of 15 MPG.

VersionEngineTransmissionFuelCityHwyCombined
S6 Avant 4.2L 8-cyl Automatic (S5) Premium 13 19 15 MPG

2002 Audi S6: engines & MPG

The 2002 S6 was EPA-rated in 1 version (4.2L 8-cyl), with combined economy of 15 MPG.

VersionEngineTransmissionFuelCityHwyCombined
S6 Avant 4.2L 8-cyl Automatic (S5) Premium 12 19 15 MPG

1995 Audi S6: engines & MPG

The 1995 S6 was EPA-rated in 2 versions (2.2L 5-cyl), with combined economy of 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
S6 2.2L 5-cyl Manual 5-spd Premium 16 22 18 MPG
S6 Wagon 2.2L 5-cyl Manual 5-spd Premium 16 22 18 MPG

Frequently asked questions

What MPG does an Audi S6 get?

Depending on year and engine, EPA combined ratings for the S6 range from 15 to 22 MPG. The most efficient rated version is the 2025 model year.

What powertrains does the 2027 Audi S6 have?

The 2027 S6 was EPA-rated with Electric powertrains — see the 2027 table above for each version's exact city/highway figures.

Does the Audi S6 require premium gas?

Yes — every EPA-rated gas S6 version specifies premium gasoline.

Is there a hybrid or electric S6?

Yes — the ratings above include hybrid and electric (shown in MPGe) versions; look for them in the per-year tables.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of August 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, Audi S6 EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/audi/s6.

See also: Audi S6 hub — live listings, prices & reliability · Used Audi S6 prices by year · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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