2004 Holden Vectra vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Holden Vectra. In addition, the cost of maintenance, including insurance, on 2004 Holden Vectra would be higher. At 2,198 cc (4 cylinders), 2004 Holden Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (173 HP @ 5500 RPM) has 27 more horse power than 2004 Holden Vectra. (146 HP @ 5800 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 2004 Holden Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 30 kg more than 2004 Holden Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2005 Opel Signum (265 Nm @ 2500 RPM) has 62 more torque (in Nm) than 2004 Holden Vectra. (203 Nm @ 4000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Holden Vectra.
Compare all specifications:
| 2004 Holden Vectra | 2005 Opel Signum | |
| Make | Holden | Opel |
| Model | Vectra | Signum |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 1908 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 146 HP | 173 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 203 Nm | 265 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1530 kg | 1560 kg |
| Vehicle Length | 4600 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
