Technical specifications
| Clear list | BMW 1er (2007-2011) | Opel Signum (2005-2008) |
| Totals | BMW 1er (2007-2011) 2.0 (120i) × | Opel Signum (2005-2008) 1.8 × |
| Mark | BMW | Opel |
| Model | 1er (2007-2011) 2.0 (120i) | Signum (2005-2008) 1.8 |
| Year | 2007-2011 | 2005-2008 |
| Number of doors/seats | (3-5)/5 | 5/5 |
| Body type | Hatch | Hatch |
| Unladen Weight | 1375 | 1405 |
| Gross Weight Limit | 1800 | 1995 |
| Top Speed, km/h | 224 | 207 |
| Acceleration 0-100 kph | 7.8 | 11.3 |
| Minimum turning radius, m | 5.35 | 5.95 |
| Cargo Volume, min/max, L | 330/1150 | 365/1410 |
| Dimensions specifications, mm | BMW 1er (2007-2011) 2.0 (120i) × | Opel Signum (2005-2008) 1.8 × |
| Length | 4240 | 4650 |
| Width | 1750 | 1800 |
| Height | 1420 | 1460 |
| Wheelbase | 2660 | 2830 |
| Front/rear Track | 1485/1495 | 1535/1525 |
| Ground clearance | 145 | - |
| Engine specifications | BMW 1er (2007-2011) 2.0 (120i) × | Opel Signum (2005-2008) 1.8 × |
| Type | Gasoline Direct Injection | petrol Injection |
| Displacement, cm3 | 1995 | 1796 |
| Compression ratio | 12 | 10.5 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 84х90 | 80.5х88.2 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 156/6400 | 140/6300 |
| Max torque, Nm/RPM | 200/3600 | 175/3800 |
| Transmission specifications | BMW 1er (2007-2011) 2.0 (120i) × | Opel Signum (2005-2008) 1.8 × |
| Gearbox | 6-speed manual / 6-speed automatic | 5-speed manual |
| Drive Type | Rear wheel drive (Dynamic Stability Control DSC) | Front wheel drive |
| Suspension specifications | BMW 1er (2007-2011) 2.0 (120i) × | Opel Signum (2005-2008) 1.8 × |
| Front | Upper and lower A-arm (double wishbone) | MacPherson strut |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 195/55/16, 205/55/16 | 215/55/16 |
| Disk | 5x120 ET44 d72.6
| 5x110 ET41 d65,1
|
| Brakes specifications | BMW 1er (2007-2011) 2.0 (120i) × | Opel Signum (2005-2008) 1.8 × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | BMW 1er (2007-2011) 2.0 (120i) × | Opel Signum (2005-2008) 1.8 × |
| City | 11.4 | 10.4 |
| Highway | 6 | 6.1 |
| Combined | 8 | 7.7 |
| Fuel | 98 | 95 |
| Tank, L | 53 | 60 |
| Clear list | BMW 1er (2007-2011) | Opel Signum (2005-2008) |
