CO₂ emissions: 7 of 17 variants rated.
Rover 618 Si tops the Rover 600-Series ranking by CO₂ emissions, at 232 g/km.
Across 7 ranked variants, CO₂ emissions spans from 213 g/km to 232 g/km.
| # | Variant | Year | Body | Fuel | CO₂ emissions |
|---|---|---|---|---|---|
| 1 | Rover 618 Si | 1997 | Sedan | Petrol | 232 g/km |
| 2 | Rover 618i | 1996 | Sedan | Petrol | 232 g/km |
| 3 | Rover 618i | 1998 | Sedan | Petrol | 213 g/km |
| 4 | Rover 618i Cambridge | 1998 | Sedan | Petrol | 213 g/km |
| 5 | Rover 618i E | 1997 | Sedan | Petrol | 213 g/km |
| 6 | Rover 618i | 1996 | Sedan | Petrol | 213 g/km |
| 7 | Rover 618 Si | 1996 | Sedan | Petrol | 213 g/km |