Technical specifications
| Clear list | Opel Signum (2005-2008) | Audi A3 |
| Totals | Opel Signum (2005-2008) 1.9 CDTI × | Audi A3 1.6 TDI × |
| Mark | Opel | Audi |
| Model | Signum (2005-2008) 1.9 CDTI | A3 1.6 TDI |
| Year | 2005-2008 | 2016 |
| Number of doors/seats | 5/5 | 3/5 |
| Body type | Hatch | Hatch |
| Unladen Weight | 1495 | 1235 (1255) |
| Gross Weight Limit | 2020 | 1795 (1815) |
| Top Speed, km/h | 180 | 200 (200) |
| Acceleration 0-100 kph | 14 | 10.5 (10.5) |
| Minimum turning radius, m | 5.95 | 5.4 |
| Cargo Volume, min/max, L | 365/1410 | 365/1100 |
| Dimensions specifications, mm | Opel Signum (2005-2008) 1.9 CDTI × | Audi A3 1.6 TDI × |
| Length | 4650 | 4241 |
| Width | 1800 | 1777 |
| Height | 1460 | 1424 |
| Wheelbase | 2830 | 2602 |
| Front/rear Track | 1535/1525 | 1543/1514 |
| Ground clearance | - | - |
| Engine specifications | Opel Signum (2005-2008) 1.9 CDTI × | Audi A3 1.6 TDI × |
| Type | turbo diesel Common Rail | turbo diesel Common Rail |
| Displacement, cm3 | 1910 | 1598 |
| Compression ratio | 18 | 16.2 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 82х90.4 | 79.5x80.5 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 100/3500 | 110/3200-4000 |
| Max torque, Nm/RPM | 260/1700 | 250/1500-3000 |
| Transmission specifications | Opel Signum (2005-2008) 1.9 CDTI × | Audi A3 1.6 TDI × |
| Gearbox | 6-speed manual | 6-speed manual / 7-speed automatic S-Tronic |
| Drive Type | Front wheel drive | Front wheel drive |
| Suspension specifications | Opel Signum (2005-2008) 1.9 CDTI × | Audi A3 1.6 TDI × |
| Front | MacPherson strut | MacPherson strut |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 215/55/16 | 205/55 R16 |
| Disk | 5x110 ET41 d65,1
| 5x112 ET50 d57.1
|
| Brakes specifications | Opel Signum (2005-2008) 1.9 CDTI × | Audi A3 1.6 TDI × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | Opel Signum (2005-2008) 1.9 CDTI × | Audi A3 1.6 TDI × |
| City | 7.6 | 4.6 (4.3) |
| Highway | 4.9 | 3.5 (3.5) |
| Combined | 5.9 | 3.9 (3.8) |
| Fuel | Diesel | Diesel |
| Tank, L | 60 | 50 |
| Clear list | Opel Signum (2005-2008) | Audi A3 |
