List of May 2008 UK fuel economy ratings (A–D) List of May 2008 UK fuel economy ratings (A–D) List of May 2008 UK fuel economy ratings (A–D)

| Manufacturer | Model | Transmission | Engine_Capacity | Fuel_Type | L_100km_Urban_Cold | L_100km_Extra_Urban | L_100km_Combined | mpg_UK_Urban_Cold | mpg_UK_Extra_Urban | mpg_UK_Combined | mpg_US_Urban | mpg_US_Extra_Urban | mpg_US_Combined | CO_2_g_km | Green_Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Audi | A6 Avant | AV | 1968 | Diesel | 8.8 | 5.5 | 6.7 | 32.1 | 51.4 | 42.2 | 26.7 | 42.8 | 35.1 | 178 | E |
| Audi | A6 Avant | M6 | 2698 | Diesel | 9.9 | 5.5 | 7.1 | 28.5 | 51.4 | 39.8 | 23.7 | 42.8 | 33.1 | 189 | F |
| Audi | A6 Avant | AV | 2698 | Diesel | 10.1 | 5.8 | 7.4 | 28.0 | 48.7 | 38.2 | 23.3 | 40.6 | 31.8 | 197 | F |
| Audi | A6 Avant | AV | 2698 | Diesel | 10.2 | 5.9 | 7.5 | 27.7 | 47.9 | 37.7 | 23.1 | 39.9 | 31.4 | 199 | F |
| Audi | A6 Avant | QA6 | 2698 | Diesel | 11.6 | 6.7 | 8.5 | 24.4 | 42.2 | 33.2 | 20.3 | 35.1 | 27.6 | 225 | F |
| Audi | A6 Avant | QM6 | 2967 | Diesel | 11.4 | 6.2 | 8.1 | 24.8 | 45.6 | 34.9 | 20.7 | 38.0 | 29.1 | 215 | F |