List of May 2008 UK fuel economy ratings (N–S) List of May 2008 UK fuel economy ratings (N–S) List of May 2008 UK fuel economy ratings (N–S)

| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porsche | Cayman | A5 | 2687 | Petrol | 14.9 | 7.7 | 10.1 | 19.0 | 36.7 | 28.0 | 15.8 | 30.6 | 23.3 | 242 | G |
| Porsche | Cayman | M5 | 2687 | Petrol | 13.8 | 6.8 | 9.3 | 20.5 | 41.5 | 30.4 | 17.1 | 34.6 | 25.3 | 222 | F |
| Porsche | Cayman | M6 | 2687 | Petrol | 14.1 | 7.1 | 9.5 | 20.0 | 39.8 | 29.7 | 16.7 | 33.1 | 24.7 | 227 | G |
| Porsche | Cayenne GTS | M6 | 4806 | Petrol | 22.6 | 10.9 | 15.1 | 12.5 | 25.9 | 18.7 | 10.4 | 21.6 | 15.6 | 361 | G |
| Porsche | Cayenne GTS | A5 | 4806 | Petrol | 20.6 | 10.2 | 13.9 | 13.7 | 27.7 | 20.3 | 11.4 | 23.1 | 16.9 | 332 | G |
| Proton | Impian | M5 | 1597 | Petrol | 9.5 | 5.6 | 7.0 | 29.7 | 50.5 | 40.4 | 24.7 | 42.1 | 33.6 | 167 | E |
| Proton | Impian | A4 | 1597 | Petrol | 9.7 | 5.8 | 7.2 | 29.1 | 48.7 | 39.2 | 24.2 | 40.6 | 32.6 | 172 | E |