MPG by Model

MakesAudiS6

Audi S6 MPG

Its best-rated version reaches 22 MPG combined in 2020–2025, with its hybrid version. Its weakest year peaked at 15 MPG (2002–2003).

Audi S6: best and lowest EPA combined MPG of its versions, model years 1995–202510152025MPG201320201995201020152020202522 MPG peaklowest peak 15Audi S6: best and lowest EPA combined MPG by model year10152025MPG1995200220082010201420162018202020222025peak 22
lowest to best versionbest versionbest version is a hybridmedian of its classengine list turned over
681.8 gal

a year at 15,000 miles for the best 2025 version. Put it next to its 1995 predecessor, at your own mileage.

Compare in gallons

The Audi S6 has EPA ratings for 20 model years, 1995–2025, most often among midsize cars. In 2003 even its most efficient version rated lowest of 12 midsize station wagons (next up: the Lexus RX); it sat in its class's bottom five in nine model years.

Averaged over 2009–2013, the best version of the S6 placed fifth from the bottom of 46 among midsize cars rated at least three years in that span. The name disappeared from EPA's lists after 1995 and returned in 2002, 6 model years later.

Among 32 midsize cars, 2025

The S6 placed 26th (tied). The class leader was the Toyota Prius at 57 MPG. The next higher rating, 23 MPG, belongs to the Audi S5.

Best EPA combined MPG of each of the 32 midsize cars rated for 202520304050S6 22median 29PriusBest EPA combined MPG of each of the 32 midsize cars rated for 202520304050S6 22median 29

The S6, five years at a time

Average rating of its best version per span, placed among midsize cars.

2009–1342nd of 46
2014–1844th of 53
2019–2343rd of 49

Where the engine list turned over

  • 2013

    New: 4.0-liter 8-cylinder. Best rating 16 → 20 MPG.

  • 2020

    New: 2.9-liter 6-cylinder hybrid. Best rating 18 → 22 MPG.

Powertrains under the name

  • Gasoline

    Rated in 1995, 2002–2003, 2007–2011 and 2013–2018.

  • Hybrid

    Rated in 2020–2025.

Other names on this page

The Audi S7 (2013–2018 and 2020–2025) carried the same EPA ratings in the years they overlap, so it is covered by this page.

All 20 model years, best and lowest version
Model yearsBest versionCombinedCity / hwyLowest versionVersions
2025S6 hybrid2219 / 27221
2023–2024S6 hybrid2219 / 26221
2020–2022S6 hybrid2218 / 28221
2018S61816 / 24181
2016–2017S62118 / 27211
2013–2015S62017 / 27201
2011S61614 / 21161
2007–2010S61614 / 19161
2003S6 Avant1513 / 19151
2002S6 Avant1512 / 19151
1995S61816 / 22182

Version names in the EPA list: S6, S6 Avant, S6 Wagon.

Same class, 2025

Toyota Prius57 MPGAudi S523 MPGAudi S722 MPGBMW M17 MPG

Read next: How much more a hybrid version is rated · How to read this page