1999 Opel Signum vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 2,171 cc (4 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Vectra (173 HP @ 5500 RPM) has 50 more horse power than 1999 Opel Signum. (123 HP @ 3250 RPM) In normal driving conditions, 2008 Opel Vectra should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 25 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, 1999 Opel Signum (271 Nm @ 1500 RPM) has 6 more torque (in Nm) than 2008 Opel Vectra. (265 Nm @ 2500 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vectra.
Compare all specifications:
| 1999 Opel Signum | 2008 Opel Vectra | |
| Make | Opel | Opel |
| Model | Signum | Vectra |
| Year Released | 1999 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 123 HP | 173 HP |
| Engine RPM | 3250 RPM | 5500 RPM |
| Torque | 271 Nm | 265 Nm |
| Torque RPM | 1500 RPM | 2500 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 201 km/hour | 222 km/hour |
| Acceleration 0-100mph | 11.2 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1610 kg | 1585 kg |
| Vehicle Length | 4640 mm | 4830 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1510 mm |
| Wheelbase Size | 2840 mm | 2840 mm |
| Fuel Consumption Overall | 6.3 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 61 L | 60 L |
