Technical specifications
| Clear list | BMW 1er (2015-2019) | Opel Signum (2005-2008) |
| Totals | BMW 1er (2015-2019) 1.6 (118i) × | Opel Signum (2005-2008) 2.2 × |
| Mark | BMW | Opel |
| Model | 1er (2015-2019) 1.6 (118i) | Signum (2005-2008) 2.2 |
| Year | 2015-2019 | 2005-2008 |
| Number of doors/seats | 5/5 | 5/5 |
| Body type | Hatch | Hatch |
| Unladen Weight | 1375 (1395) | 1460 |
| Gross Weight Limit | - | 2050 |
| Top Speed, km/h | 210 (210) | 210 |
| Acceleration 0-100 kph | 8.5 (8.7) | 9.9 |
| Minimum turning radius, m | 5.5 | 5.95 |
| Cargo Volume, min/max, L | 360/1200 | 365/1410 |
| Dimensions specifications, mm | BMW 1er (2015-2019) 1.6 (118i) × | Opel Signum (2005-2008) 2.2 × |
| Length | 4329 | 4650 |
| Width | 1765 | 1800 |
| Height | 1440 | 1460 |
| Wheelbase | 2690 | 2830 |
| Front/rear Track | 1535/1569 | 1535/1525 |
| Ground clearance | 140 | - |
| Engine specifications | BMW 1er (2015-2019) 1.6 (118i) × | Opel Signum (2005-2008) 2.2 × |
| Type | Gasoline Direct Injection, turbocharging | Gasoline Direct Injection |
| Displacement, cm3 | 1598 | 2198 |
| Compression ratio | 10.5 | 12 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 77х85.8 | 86х94.6 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 136/4400-6450 | 155/5600 |
| Max torque, Nm/RPM | 220/1350-4300 | 220/3800 |
| Transmission specifications | BMW 1er (2015-2019) 1.6 (118i) × | Opel Signum (2005-2008) 2.2 × |
| Gearbox | 6-speed manual / 8-speed automatic | 5-speed manual / 5-speed automatic |
| Drive Type | Rear wheel drive | Front wheel drive |
| Suspension specifications | BMW 1er (2015-2019) 1.6 (118i) × | Opel Signum (2005-2008) 2.2 × |
| Front | Upper and lower A-arm (double wishbone) | MacPherson strut |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 195/55 R16 | 215/55/16 |
| Disk | 5x120 ET44 d72.6
| 5x110 ET41 d65,1
|
| Brakes specifications | BMW 1er (2015-2019) 1.6 (118i) × | Opel Signum (2005-2008) 2.2 × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | BMW 1er (2015-2019) 1.6 (118i) × | Opel Signum (2005-2008) 2.2 × |
| City | 7 (7.2) | 10.9 |
| Highway | 4.5 (4.6) | 6.6 |
| Combined | 5.4 (5.6) | 8.2 |
| Fuel | 95 | 95 |
| Tank, L | 52 | 60 |
| Clear list | BMW 1er (2015-2019) | Opel Signum (2005-2008) |
