2008 Opel Signum vs. 2008 Rover 25
To start off, both 2008 Opel Signum and 2008 Rover 25 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,197 cc (4 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (153 HP @ 5600 RPM) has 53 more horse power than 2008 Rover 25. (100 HP @ 4200 RPM). In normal driving conditions, 2008 Opel Signum should accelerate faster than 2008 Rover 25. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 405 kg more than 2008 Rover 25. 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, 2008 Rover 25 (240 Nm @ 2000 RPM) has 20 more torque (in Nm) than 2008 Opel Signum. (220 Nm @ 3800 RPM). This means 2008 Rover 25 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
| 2008 Opel Signum | 2008 Rover 25 | |
| Make | Opel | Rover |
| Model | Signum | 25 |
| Year Released | 2008 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2197 cc | 1992 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 153 HP | 100 HP |
| Engine RPM | 5600 RPM | 4200 RPM |
| Torque | 220 Nm | 240 Nm |
| Torque RPM | 3800 RPM | 2000 RPM |
| Engine Bore Size | 86 mm | 84.5 mm |
| Engine Stroke Size | 94.6 mm | 88.9 mm |
| Engine Compression Ratio | 12.0:1 | 19.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 211 km/hour | 185 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 9.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1535 kg | 1130 kg |
| Vehicle Length | 4640 mm | 4000 mm |
| Vehicle Width | 1800 mm | 1690 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2510 mm |
| Fuel Consumption Overall | 8.1 L/100km | 5.1 L/100km |
| Fuel Tank Capacity | 60 L | 50 L |
