2004 Opel Signum vs. 2003 Toyota Previa
To start off, 2004 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Toyota Previa. In addition, the cost of maintenance, including insurance, on 2003 Toyota Previa would be higher. At 2,360 cc (4 cylinders), 2003 Toyota Previa is equipped with a bigger engine. In terms of performance, 2003 Toyota Previa (157 HP @ 5400 RPM) has 9 more horse power than 2004 Opel Signum. (148 HP @ 4000 RPM) In normal driving conditions, 2003 Toyota Previa should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 85 kg more than 2003 Toyota Previa.
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 (326 Nm @ 2000 RPM) has 105 more torque (in Nm) than 2003 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 2003 Toyota Previa. 2003 Toyota Previa has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Toyota Previa will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2003 Toyota Previa | |
| Make | Opel | Toyota |
| Model | Signum | Previa |
| Year Released | 2004 | 2003 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 2360 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 157 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 326 Nm | 221 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 88.5 mm |
| Engine Stroke Size | 90.4 mm | 96 mm |
| Engine Compression Ratio | 18.0:1 | 9.6:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1610 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 |
