2003 Opel Vectra vs. 2002 Opel Signum
To start off, 2003 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Opel Signum. In addition, the cost of maintenance, including insurance, on 2002 Opel Signum would be higher. At 2,172 cc (4 cylinders), 2002 Opel Signum is equipped with a bigger engine. In terms of performance, 2002 Opel Signum (153 HP @ 5600 RPM) has 33 more horse power than 2003 Opel Vectra. (120 HP @ 5800 RPM) In normal driving conditions, 2002 Opel Signum should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 5 kg more than 2002 Opel Signum.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2002 Opel Signum (250 Nm @ 3800 RPM) has 80 more torque (in Nm) than 2003 Opel Vectra. (170 Nm @ 3800 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2003 Opel Vectra | 2002 Opel Signum | |
| Make | Opel | Opel |
| Model | Vectra | Signum |
| Year Released | 2003 | 2002 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1795 cc | 2172 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 153 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 170 Nm | 250 Nm |
| Torque RPM | 3800 RPM | 3800 RPM |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Top Speed | 199 km/hour | 206 km/hour |
| Acceleration 0-100mph | 12.1 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1485 kg |
| Vehicle Length | 4500 mm | 4640 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2640 mm | 2710 mm |
| Fuel Tank Capacity | 60 L | 60 L |
