| Model name | n.a. | 118d Coupe |
| Year | 2008 | 2010 |
| Fuel economy (mix) | 10.1 l | 4.5 l |
| CO2 | 242 | 119 |
| Emission class | EU 4 | EU 5 |
| Trunk capacity | 532 | 330 |
| Fuel tank capacity | 68 litres | 51 litres |
| Recommended fuel octane | Premium 98 RON | n.a. |
| Seats | 4 | 4 |
| Cylinders | 6 | 4 |
| Valves | 24 | 16 |
| Aspiration | none | turbocharged |
| Cylinder configuration | V | Inline |
| Engine place | Front | Front |
| Displacement (cc) | 3597 cc | 1995 cc |
| Displacement (litres) | 3.6 litres | 2 litres |
| Power | 223.7 kW (300 hp) @6600rpm | 106.6 kW (143 hp) @4000rpm |
| Torque | 350 Nm @2400rpm | 300 Nm @1750rpm |
| Compression | 11.4:1 | 16.0:1 |
| Engine type | Petrol | Diesel |
| Drive wheel | AWD | Rear |
| Electronic systems | ESP, TCS, ABS, EBPD, BAS | DSC, ABS, DTC, CBC, DBC |
| Transmission | 6-speed DSG | 6-speed manual |
| Brakes (front) | 345 mm (13.6 inch) | 292x22 mm (11.5 inch) |
| Brakes (rear) | 310 mm (12.2 inch) | 300x20 mm (11.8 inch) |
| Tyres (front) | 235/45 R 17 W | 195/55 R 16 87H |
| Tyres (rear) | 235/45 R 17 W | 195/55 R 16 87H |
| Wheels (front) | 8x17 inch | 6.5x16 inch |
| Wheels (rear) | 8x17 inch | 6.5x16 inch |
| Brake discs (front) | ventilated disc | ventilated disc |
| Brake discs (rear) | ventilated disc | solid disc |
| Suspension (front) | McPherson strut | Double-joint tiebar spring strut |
| Suspension (rear) | four-link | five-link |
| Length | 4799 mm (188.9 inch) | 4239 mm (166.9 inch) |
| Width | 1855 mm (73 inch) | 1748 mm (68.8 inch) |
| Height | 1417 mm (55.8 inch) | 1421 mm (55.9 inch) |
| Weight | 1632 kg | 1385 kg |
| Weight (max) | 2110 kg | n.a. |
| Wheelbase | 2711 mm (106.7 inch) | 2660 mm (104.7 inch) |
| Acceleration | 5.6 sec | 8.9 sec |
| Max speed | 250 kmh | 210 kmh |
| Quarter mile | 13.9 sec | n.a. |
