2003 BMW 645 vs. 2008 Rover 75
To start off, 2008 Rover 75 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 155 kg more than 2008 Rover 75.
Because 2003 BMW 645 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 2003 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 210 more torque (in Nm) than 2008 Rover 75. (240 Nm @ 4000 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 Rover 75. 2008 Rover 75 has automatic transmission and 2003 BMW 645 has manual transmission. 2003 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Rover 75 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 645 | 2008 Rover 75 | |
| Make | BMW | Rover |
| Model | 645 | 75 |
| Year Released | 2003 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2497 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 325 HP | 0 HP |
| Torque | 450 Nm | 240 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 80 mm |
| Engine Stroke Size | 82.7 mm | 82.8 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Top Speed | 250 km/hour | 220 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 8.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1690 kg | 1535 kg |
| Vehicle Length | 4830 mm | 4750 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2750 mm |
| Fuel Consumption Overall | 11.7 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
