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 Saloon | QA6 | 3123 | Petrol | 15.7 | 8.1 | 10.9 | 18.0 | 34.9 | 25.9 | 15.0 | 29.1 | 21.6 | 259 | G |
| Audi | A6 Saloon | QA6 | 4163 | Petrol | 15.6 | 8.1 | 10.8 | 18.1 | 34.9 | 26.2 | 15.1 | 29.1 | 21.8 | 257 | G |
| Audi | A6 Saloon | M6 | 1968 | Diesel | 8.5 | 4.7 | 6.1 | 33.2 | 60.1 | 46.3 | 27.6 | 50.0 | 38.6 | 159 | D |
| Audi | A6 Saloon | 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 Saloon | M6 | 2698 | Diesel | 9.7 | 5.3 | 6.9 | 29.1 | 53.3 | 40.9 | 24.2 | 44.4 | 34.1 | 184 | E |
| Audi | A6 Saloon | AV | 2698 | Diesel | 9.9 | 5.7 | 7.2 | 28.5 | 49.6 | 39.2 | 23.7 | 41.3 | 32.6 | 192 | F |