Audi S6

The 2025 S6 in brief

The 2025 Audi S6 is a midsize car offered with a 2.9L 6-cyl engine, including a hybrid version and all-wheel drive.

It measures about 195 inches long and 74 inches wide on a 115-inch wheelbase, with a curb weight of roughly 4,495 lb.

EPA rates its most efficient version at 22 MPG combined (19 city / 27 highway), 27% worse than the 2025 midsize car average of 30 MPG, for an estimated $3,750 a year in fuel.

NHTSA has not published a 5-Star overall rating for this model year.

It has 3 recall campaigns on file and owners have filed 4 complaints with NHTSA since 2015, most often about the electrical system.

The Audi S6 has 17 model years in our data, from 2007 to 2025.

Its most efficient year was 2025 at 22 MPG combined; across all years the best version ranged from 16 to 22 MPG.

Owners most often report problems with the engine (69), electrical system (15), power train (13).

Buying used? 2024 has the fewest problems in our data, and 2021 is the year to avoid.

2021 has the most recalls (10); all years together count 19 campaigns and 106 owner complaints.

How the 2007 S6 compares

The 2007 Audi S6 is a midsize car offered with a 5.2L 10-cyl engine and 4-wheel or all-wheel drive.

EPA rates its most efficient version at 16 MPG combined (14 city / 19 highway), 24% worse than the 2007 midsize car average of 21 MPG, for an estimated $5,150 a year in fuel.

About the Audi S6

The Audi S6 is a high-performance variant of the Audi A6, an executive car produced by German automaker Audi. It went on sale in 1994, shortly after the "A6" designation was introduced, replacing the "100" nameplate.

From the Wikipedia article "Audi S6", licensed under CC BY-SA 4.0.