2003 Opel Signum vs. 2006 Rover 45
To start off, 2006 Rover 45 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,172 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, both vehicles can yield 115 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 299 kg more than 2006 Rover 45.
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, 2003 Opel Signum (280 Nm @ 1500 RPM) has 120 more torque (in Nm) than 2006 Rover 45. (160 Nm @ 2750 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 Rover 45.
Compare all specifications:
| 2003 Opel Signum | 2006 Rover 45 | |
| Make | Opel | Rover |
| Model | Signum | 45 |
| Year Released | 2003 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2172 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 115 HP | 115 HP |
| Engine RPM | 3000 RPM | 5500 RPM |
| Torque | 280 Nm | 160 Nm |
| Torque RPM | 1500 RPM | 2750 RPM |
| Engine Bore Size | 84.1 mm | 80 mm |
| Engine Stroke Size | 98 mm | 89.3 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1236 kg |
| Vehicle Length | 4640 mm | 4520 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2840 mm | 2630 mm |
