2004 Opel Signum vs. 2005 Toyota Previa
To start off, 2005 Toyota Previa is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 2,358 cc (4 cylinders), 2005 Toyota Previa is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 13 more horse power than 2005 Toyota Previa. (160 HP @ 5400 RPM). In normal driving conditions, 2004 Opel Signum should accelerate faster than 2005 Toyota Previa. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 35 kg more than 2005 Toyota Previa. 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 44 more torque (in Nm) than 2005 Toyota Previa. (221 Nm @ 4000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Toyota Previa.
Compare all specifications:
| 2004 Opel Signum | 2005 Toyota Previa | |
| Make | Opel | Toyota |
| Model | Signum | Previa |
| Year Released | 2004 | 2005 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2358 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 160 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 265 Nm | 221 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 88.5 mm |
| Engine Stroke Size | 86 mm | 96 mm |
| Engine Compression Ratio | 9.5:1 | 9.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1560 kg | 1525 kg |
| Vehicle Length | 4640 mm | 4760 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1770 mm |
| Wheelbase Size | 2840 mm | 2900 mm |
