2004 Opel Vectra vs. 1999 Opel Signum
To start off, 2004 Opel Vectra is newer by 5 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 2,169 cc (4 cylinders), 2004 Opel Vectra is equipped with a bigger engine. In terms of performance, 2004 Opel Vectra (123 HP @ 4000 RPM) has 24 more horse power than 1999 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2004 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 90 kg more than 2004 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, 2004 Opel Vectra (280 Nm @ 1500 RPM) has 40 more torque (in Nm) than 1999 Opel Signum. (240 Nm @ 1500 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 2004 Opel Vectra | 1999 Opel Signum | |
| Make | Opel | Opel |
| Model | Vectra | Signum |
| Year Released | 2004 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2169 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 123 HP | 99 HP |
| Engine RPM | 4000 RPM | 3120 RPM |
| Torque | 280 Nm | 240 Nm |
| Torque RPM | 1500 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 98 mm | 90 mm |
| Engine Compression Ratio | 18.5:1 | 18.5:1 |
| Top Speed | 206 km/hour | 185 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1505 kg | 1595 kg |
| Vehicle Length | 4600 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2720 mm | 2840 mm |
| Fuel Tank Capacity | 61 L | 60 L |
