Technical specifications
| Clear list | Opel Signum (2005-2008) | Alfa Romeo Giulietta |
| Totals | Opel Signum (2005-2008) 2.2 × | Alfa Romeo Giulietta 2.0 JTDM × |
| Mark | Opel | Alfa Romeo |
| Model | Signum (2005-2008) 2.2 | Giulietta 2.0 JTDM |
| Year | 2005-2008 | 2010 |
| Number of doors/seats | 5/5 | 5/5 |
| Body type | Hatch | Hatch |
| Unladen Weight | 1460 | 1395 (1410) |
| Gross Weight Limit | 2050 | - |
| Top Speed, km/h | 210 | 218 (218) |
| Acceleration 0-100 kph | 9.9 | 8.8 (7.9) |
| Minimum turning radius, m | 5.95 | - |
| Cargo Volume, min/max, L | 365/1410 | 350/1045 |
| Dimensions specifications, mm | Opel Signum (2005-2008) 2.2 × | Alfa Romeo Giulietta 2.0 JTDM × |
| Length | 4650 | 4351 |
| Width | 1800 | 1798 |
| Height | 1460 | 1465 |
| Wheelbase | 2830 | 2634 |
| Front/rear Track | 1535/1525 | 1554/1554 |
| Ground clearance | - | - |
| Engine specifications | Opel Signum (2005-2008) 2.2 × | Alfa Romeo Giulietta 2.0 JTDM × |
| Type | Gasoline Direct Injection | turbo diesel Common Rail |
| Displacement, cm3 | 2198 | 1956 |
| Compression ratio | 12 | 16.5 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 86х94.6 | 83х90.4 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 155/5600 | 170/4000 |
| Max torque, Nm/RPM | 220/3800 | 350/1750 |
| Transmission specifications | Opel Signum (2005-2008) 2.2 × | Alfa Romeo Giulietta 2.0 JTDM × |
| Gearbox | 5-speed manual / 5-speed automatic | 6-speed manual / 6-speed automatic |
| Drive Type | Front wheel drive | Front wheel drive |
| Suspension specifications | Opel Signum (2005-2008) 2.2 × | Alfa Romeo Giulietta 2.0 JTDM × |
| 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
| 5x110 ET41 d65.1
|
| Brakes specifications | Opel Signum (2005-2008) 2.2 × | Alfa Romeo Giulietta 2.0 JTDM × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | Opel Signum (2005-2008) 2.2 × | Alfa Romeo Giulietta 2.0 JTDM × |
| City | 10.9 | 5.8 (5.3) |
| Highway | 6.6 | 4.1 (4) |
| Combined | 8.2 | 4.7 (4.5) |
| Fuel | 95 | Diesel |
| Tank, L | 60 | 60 |
| Clear list | Opel Signum (2005-2008) | Alfa Romeo Giulietta |
