Audi S6 Specifications & MPG Data
2015–2025 model years10 variantsUp to 22 MPG combined
Detailed Specifications
MPG & Fuel Economy
MPG for every year and trim
View details →Engine Specifications
Engine Specs for every year and trim
View details →Annual Fuel Cost
Fuel Cost for every year and trim
View details →Transmission Specifications
Transmission for every year and trim
View details →Drivetrain & Drive Type
Drivetrain for every year and trim
View details →Vehicle Class & EPA Size Category
Vehicle Class for every year and trim
View details →Maintenance Schedule & Service Intervals
Maintenance for every year and trim
View details →Dimensions & Size
Dimensions for every year and trim
View details →Audi S6 Generations
Grouped by year ranges where the engine lineup, drivetrain options, and EPA class stay consistent — a derived approximation of the factory generations, not a manufacturer-published list.
| Years | Variants | Engines | Drive | Class | Best MPG |
|---|---|---|---|---|---|
| 2020–2025 | 6 | 2.9L | 4-Wheel Drive, All-Wheel Drive | Midsize Cars | 22 |
| 2015–2018 | 4 | 4.0L | All-Wheel Drive | Midsize Cars | 21 |
Audi S6 — All Years Overview
| Year | Trim | Engine | Trans | Drive | City | Hwy | Combined | Fuel |
|---|---|---|---|---|---|---|---|---|
| 2025 | Auto (S8), 6 cyl, 2.9 L | 6 · 2.9L | Automatic (S8) | All-Wheel Drive | 19 | 27 | 22 | Premium Gasoline |
| 2024 | Auto (S8), 6 cyl, 2.9 L | 6 · 2.9L | Automatic (S8) | All-Wheel Drive | 19 | 26 | 22 | Premium Gasoline |
| 2023 | Auto (S8), 6 cyl, 2.9 L | 6 · 2.9L | Automatic (S8) | All-Wheel Drive | 19 | 26 | 22 | Premium Gasoline |
| 2022 | Auto (S8), 6 cyl, 2.9 L | 6 · 2.9L | Automatic (S8) | 4-Wheel Drive | 18 | 28 | 22 | Premium Gasoline |
| 2021 | Auto (S8), 6 cyl, 2.9 L | 6 · 2.9L | Automatic (S8) | All-Wheel Drive | 18 | 28 | 22 | Premium Gasoline |
| 2020 | Auto (S8), 6 cyl, 2.9 L | 6 · 2.9L | Automatic (S8) | All-Wheel Drive | 18 | 28 | 22 | Premium Gasoline |
| 2018 | Auto (AM-S7), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (AM-S7) | All-Wheel Drive | 16 | 24 | 18 | Premium Gasoline |
| 2017 | Auto (AM-S7), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (AM-S7) | All-Wheel Drive | 18 | 27 | 21 | Premium Gasoline |
| 2016 | Auto (AM-S7), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (AM-S7) | All-Wheel Drive | 18 | 27 | 21 | Premium Gasoline |
| 2015 | Auto (AM-S7), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (AM-S7) | All-Wheel Drive | 17 | 27 | 20 | Premium Gasoline |