2008 Audi A6
4 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| A6 | 18 | 27 | 21 | Premium Gasoline | Front-Wheel Drive | 3.1L 6-cyl | Automatic (variable gear ratios) |
| A6 Avant quattro | 17 | 25 | 20 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 3.1L 6-cyl | Automatic (S6) |
| A6 quattro | 17 | 25 | 20 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 3.1L 6-cyl | Automatic (S6) |
| A6 quattro | 16 | 23 | 18 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 4.2L 8-cyl | Automatic (S6) |