Technical specifications
| Clear list | Audi A3 (2008-2012) | Opel Signum (2005-2008) |
| Totals | Audi A3 (2008-2012) 1.8 TFSI × | Opel Signum (2005-2008) 2.2 × |
| Mark | Audi | Opel |
| Model | A3 (2008-2012) 1.8 TFSI | Signum (2005-2008) 2.2 |
| Year | 2008-2012 | 2005-2008 |
| Number of doors/seats | 3/5 | 5/5 |
| Body type | Hatch | Hatch |
| Unladen Weight | 1280 (1295) | 1460 |
| Gross Weight Limit | 1840 (1855) | 2050 |
| Top Speed, km/h | 222 (222) | 210 |
| Acceleration 0-100 kph | 7.6 (7.5) | 9.9 |
| Minimum turning radius, m | 5.4 | 5.95 |
| Cargo Volume, min/max, L | 350/1080 | 365/1410 |
| Dimensions specifications, mm | Audi A3 (2008-2012) 1.8 TFSI × | Opel Signum (2005-2008) 2.2 × |
| Length | 4238 | 4650 |
| Width | 1765 | 1800 |
| Height | 1421 | 1460 |
| Wheelbase | 2578 | 2830 |
| Front/rear Track | 1534/1507 | 1535/1525 |
| Ground clearance | 120 | - |
| Engine specifications | Audi A3 (2008-2012) 1.8 TFSI × | Opel Signum (2005-2008) 2.2 × |
| Type | Gasoline Direct Injection, turbocharging | Gasoline Direct Injection |
| Displacement, cm3 | 1798 | 2198 |
| Compression ratio | - | 12 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 82.5x84.1 | 86х94.6 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 160/4500-6200 | 155/5600 |
| Max torque, Nm/RPM | 250/1500-4200 | 220/3800 |
| Transmission specifications | Audi A3 (2008-2012) 1.8 TFSI × | Opel Signum (2005-2008) 2.2 × |
| Gearbox | 6-speed manual / 7-speed, Automatic DSG | 5-speed manual / 5-speed automatic |
| Drive Type | Front wheel drive | Front wheel drive |
| Suspension specifications | Audi A3 (2008-2012) 1.8 TFSI × | Opel Signum (2005-2008) 2.2 × |
| Front | MacPherson strut | MacPherson strut |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 205/55/16 | 215/55/16 |
| Disk | 5x112 ET50 d57.1
| 5x110 ET41 d65,1
|
| Brakes specifications | Audi A3 (2008-2012) 1.8 TFSI × | Opel Signum (2005-2008) 2.2 × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | Audi A3 (2008-2012) 1.8 TFSI × | Opel Signum (2005-2008) 2.2 × |
| City | 8.7 (8.5) | 10.9 |
| Highway | 5.3 (5.2) | 6.6 |
| Combined | 6.6 (6.5) | 8.2 |
| Fuel | 95 | 95 |
| Tank, L | 55 | 60 |
| Clear list | Audi A3 (2008-2012) | Opel Signum (2005-2008) |
