| Attribute |
Vauxhall Vectra C Estate 3.0 V6 CDTi 24V ECOTEC Automatic × | 
Vauxhall Signum 3.0 V6 CDTi 24V ECOTEC Automatic × |
| General | | |
| Make | Vauxhall | Vauxhall |
| Model | Vectra | Signum |
| Generation | Vectra C Estate | Signum |
| Modification | 3.0 V6 CDTi 24V ECOTEC Automatic | 3.0 V6 CDTi 24V ECOTEC Automatic |
| Website | https://www.vauxhall.co.uk/ | https://www.vauxhall.co.uk/ |
| Number of doors | 5 | 5 |
| Number of seats | 5 | 5 |
| Body type | Station wagon (estate) | Hatchback |
| Transmission | automatic | automatic |
| Number of gears | 6 | 6 |
| Production from (year) | 2003 | 2003 |
| Production to (year) | 2008 | 2008 |
| Performance | | |
| Top speed (km/h) | 220 | 217 |
| City consumption (l/100km) | 11 | 11 |
| Extra-urban consumption (l/100km) | 5.8 | 5.8 |
| Combined consumption (l/100km) | 7.9 | 8 |
| CO2 emissions (g/km) | 213 | 216 |
| Emission standard | EURO IV | EURO IV |
| Drive | | |
| Drive | Front wheel drive | Front wheel drive |
| Position of engine | Front, transversely | Front, transversely |
| Fuel | Diesel | Diesel |
| Max. power (hp) | 184 | 184 |
| Max. torque (Nm) | 400 | 400 |
| Fuel Engine | | |
| Number of cylinders | 6 | 6 |
| Cylinders arrangement | V engine | V engine |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 2,958 | 2,958 |
| Compression ratio | 18.5 | 18.5 |
| Max. power @ rpm (rpm) | 4,000 | 4,000 |
| Max. torque @ rpm (rpm) | 1,900 | 1,900 |
| Fuel system | Diesel Commonrail | Diesel Commonrail |
| Valve control | Ohc | - |
| Turbine | Turbocharger / Intercooler | Turbocharger / Intercooler |
| Fuel tank (l) | 60 | 60 |
| Chassis | | |
| ABS | + | + |
| Front wheel suspension | Independent, Spring McPherson, with stabilizer | Independent, Spring McPherson, with stabilizer |
| Rear wheel suspension | Multi-link independent | Multi-link independent |
| Front brakes | Ventilated discs | Ventilated discs |
| Rear brakes | Disc | Disc |
| Dimensions | | |
| Length (mm) | 4,839 | 4,651 |
| Width (mm) | 1,798 | 1,798 |
| Height (mm) | 1,500 | 1,466 |
| Wheelbase (mm) | 2,830 | 2,830 |
| Kerb weight (kg) | 1,395 | 1,415 |
| Minimum boot space (l) | 530 | 365 |
| Maximum boot space (l) | 1,850 | 1,410 |
| Drag coefficient (Cd) | 0.28 | 0.28 |