2008 Opel Vectra vs. 2002 Opel Signum
To start off, 2008 Opel Vectra is newer by 6 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 1,995 cc (4 cylinders), 2002 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Vectra (120 HP @ 6000 RPM) has 20 more horse power than 2002 Opel Signum. (100 HP @ 3120 RPM). In normal driving conditions, 2008 Opel Vectra should accelerate faster than 2002 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 185 kg more than 2008 Opel Vectra.
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 (230 Nm @ 1500 RPM) has 63 more torque (in Nm) than 2008 Opel Vectra. (167 Nm @ 3800 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vectra.
Compare all specifications:
| 2008 Opel Vectra | 2002 Opel Signum | |
| Make | Opel | Opel |
| Model | Vectra | Signum |
| Year Released | 2008 | 2002 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 100 HP |
| Engine RPM | 6000 RPM | 3120 RPM |
| Torque | 167 Nm | 230 Nm |
| Torque RPM | 3800 RPM | 1500 RPM |
| Engine Bore Size | 80.6 mm | 84 mm |
| Engine Stroke Size | 88.2 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1410 kg | 1595 kg |
| Vehicle Length | 4600 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Consumption Overall | 7.9 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 61 L | 60 L |
