2000 Opel Signum vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 4 year(s). Which means there will be less support and parts availability for 2000 Opel Signum. In addition, the cost of maintenance, including insurance, on 2000 Opel Signum would be higher. At 1,998 cc (4 cylinders), 2004 Opel Vectra is equipped with a bigger engine. In terms of performance, 2004 Opel Vectra (148 HP @ 4000 RPM) has 28 more horse power than 2000 Opel Signum. (120 HP @ 6000 RPM) In normal driving conditions, 2004 Opel Vectra should accelerate faster than 2000 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2000 Opel Signum weights approximately 270 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 (315 Nm @ 2000 RPM) has 148 more torque (in Nm) than 2000 Opel Signum. (167 Nm @ 3800 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2000 Opel Signum.
Compare all specifications:
| 2000 Opel Signum | 2004 Opel Vectra | |
| Make | Opel | Opel |
| Model | Signum | Vectra |
| Year Released | 2000 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 120 HP | 148 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 167 Nm | 315 Nm |
| Torque RPM | 3800 RPM | 2000 RPM |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 12.2 seconds | 9.8 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 | 1480 kg | 1210 kg |
| Vehicle Length | 4640 mm | 4600 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2640 mm | 2500 mm |
| Fuel Consumption Overall | 7.9 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 60 L | 61 L |
