2006 Opel Signum vs. 2008 Rover 45
To start off, 2008 Rover 45 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum would be higher. At 1,796 cc (4 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (120 HP @ 6000 RPM) has 18 more horse power than 2008 Rover 45. (102 HP @ 6000 RPM). In normal driving conditions, 2006 Opel Signum should accelerate faster than 2008 Rover 45. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 298 kg more than 2008 Rover 45. 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, 2006 Opel Signum (168 Nm @ 3800 RPM) has 45 more torque (in Nm) than 2008 Rover 45. (123 Nm @ 4500 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Rover 45.
Compare all specifications:
| 2006 Opel Signum | 2008 Rover 45 | |
| Make | Opel | Rover |
| Model | Signum | 45 |
| Year Released | 2006 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1396 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 102 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 168 Nm | 123 Nm |
| Torque RPM | 3800 RPM | 4500 RPM |
| Engine Bore Size | 80.5 mm | 75 mm |
| Engine Stroke Size | 88.2 mm | 79 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 197 km/hour | 185 km/hour |
| Acceleration 0-100mph | 12.2 seconds | 11.2 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 | 1182 kg |
| Vehicle Length | 4640 mm | 4370 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2840 mm | 2630 mm |
| Fuel Consumption Overall | 7.9 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 60 L | 55 L |
