2006 Opel Speedster vs. 2003 Rover 75
To start off, 2006 Opel Speedster is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Rover 75. In addition, the cost of maintenance, including insurance, on 2003 Rover 75 would be higher. At 1,998 cc (4 cylinders), 2006 Opel Speedster is equipped with a bigger engine. In terms of performance, 2006 Opel Speedster (197 HP @ 5500 RPM) has 49 more horse power than 2003 Rover 75. (148 HP @ 5500 RPM). In normal driving conditions, 2006 Opel Speedster should accelerate faster than 2003 Rover 75. With that said, vehicle weight also plays an important factor in acceleration. 2003 Rover 75 weights approximately 410 kg more than 2006 Opel Speedster.
Because 2006 Opel Speedster is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Opel Speedster. However, in wet, icy, snow, or gravel driving conditions, 2003 Rover 75, being front wheel drive (FWD), will offer much better control with better grip. 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 Speedster (250 Nm @ 1950 RPM) has 35 more torque (in Nm) than 2003 Rover 75. (215 Nm @ 2500 RPM). This means 2006 Opel Speedster will have an easier job in driving up hills or pulling heavy equipment than 2003 Rover 75.
Compare all specifications:
| 2006 Opel Speedster | 2003 Rover 75 | |
| Make | Opel | Rover |
| Model | Speedster | 75 |
| Year Released | 2006 | 2003 |
| Engine Position | Middle | Front |
| Engine Size | 1998 cc | 1794 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 148 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 250 Nm | 215 Nm |
| Torque RPM | 1950 RPM | 2500 RPM |
| Engine Bore Size | 86.1 mm | 80 mm |
| Engine Stroke Size | 86 mm | 89.3 mm |
| Engine Compression Ratio | 8.8:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1005 kg | 1415 kg |
| Vehicle Length | 3790 mm | 4760 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1120 mm | 1430 mm |
| Wheelbase Size | 2340 mm | 2750 mm |
| Fuel Tank Capacity | 36 L | 64 L |
