Technical specifications
| Clear list | Opel Signum (2005-2008) | Audi A3 (2008-2012) |
| Totals | Opel Signum (2005-2008) 1.8 × | Audi A3 (2008-2012) 1.4 TFSI × |
| Mark | Opel | Audi |
| Model | Signum (2005-2008) 1.8 | A3 (2008-2012) 1.4 TFSI |
| Year | 2005-2008 | 2008-2012 |
| Number of doors/seats | 5/5 | 3/5 |
| Body type | Hatch | Hatch |
| Unladen Weight | 1405 | 1255 (1270) |
| Gross Weight Limit | 1995 | 1820 (1830) |
| Top Speed, km/h | 207 | 203 (203) |
| Acceleration 0-100 kph | 11.3 | 9.4 (9.3) |
| Minimum turning radius, m | 5.95 | 5.4 |
| Cargo Volume, min/max, L | 365/1410 | 350/1080 |
| Dimensions specifications, mm | Opel Signum (2005-2008) 1.8 × | Audi A3 (2008-2012) 1.4 TFSI × |
| Length | 4650 | 4238 |
| Width | 1800 | 1765 |
| Height | 1460 | 1421 |
| Wheelbase | 2830 | 2578 |
| Front/rear Track | 1535/1525 | 1534/1507 |
| Ground clearance | - | 120 |
| Engine specifications | Opel Signum (2005-2008) 1.8 × | Audi A3 (2008-2012) 1.4 TFSI × |
| Type | petrol Injection | Gasoline Direct Injection, turbocharging |
| Displacement, cm3 | 1796 | 1390 |
| Compression ratio | 10.5 | 10 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 80.5х88.2 | 76.5x75.6 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 140/6300 | 125/5000 |
| Max torque, Nm/RPM | 175/3800 | 200/1500-4000 |
| Transmission specifications | Opel Signum (2005-2008) 1.8 × | Audi A3 (2008-2012) 1.4 TFSI × |
| Gearbox | 5-speed manual | 6-speed manual / 7-speed, Automatic DSG |
| Drive Type | Front wheel drive | Front wheel drive |
| Suspension specifications | Opel Signum (2005-2008) 1.8 × | Audi A3 (2008-2012) 1.4 TFSI × |
| Front | MacPherson strut | MacPherson strut |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 215/55/16 | 205/55/16 |
| Disk | 5x110 ET41 d65,1
| 5x112 ET50 d57.1
|
| Brakes specifications | Opel Signum (2005-2008) 1.8 × | Audi A3 (2008-2012) 1.4 TFSI × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | Opel Signum (2005-2008) 1.8 × | Audi A3 (2008-2012) 1.4 TFSI × |
| City | 10.4 | 7.3 (6.4) |
| Highway | 6.1 | 4.8 (4.7) |
| Combined | 7.7 | 5.7 (5.3) |
| Fuel | 95 | 95 |
| Tank, L | 60 | 55 |
| Clear list | Opel Signum (2005-2008) | Audi A3 (2008-2012) |
