2009 BMW 635 vs. 2006 Rover 45
To start off, 2009 BMW 635 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Rover 45. In addition, the cost of maintenance, including insurance, on 2006 Rover 45 would be higher. At 2,993 cc (6 cylinders), 2009 BMW 635 is equipped with a bigger engine. In terms of performance, 2009 BMW 635 (282 HP @ 4400 RPM) has 167 more horse power than 2006 Rover 45. (115 HP @ 5500 RPM). In normal driving conditions, 2009 BMW 635 should accelerate faster than 2006 Rover 45.
Because 2009 BMW 635 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 2009 BMW 635. However, in wet, icy, snow, or gravel driving conditions, 2006 Rover 45, 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, 2009 BMW 635 (580 Nm @ 1750 RPM) has 420 more torque (in Nm) than 2006 Rover 45. (160 Nm @ 2750 RPM). This means 2009 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 2006 Rover 45. 2009 BMW 635 has automatic transmission and 2006 Rover 45 has manual transmission. 2006 Rover 45 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 635 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 635 | 2006 Rover 45 | |
| Make | BMW | Rover |
| Model | 635 | 45 |
| Year Released | 2009 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 115 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Torque | 580 Nm | 160 Nm |
| Torque RPM | 1750 RPM | 2750 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 90 mm | 89.3 mm |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 193 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 9.3 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4830 mm | 4520 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1400 mm |
| Wheelbase Size | 2790 mm | 2630 mm |
| Fuel Consumption Overall | 7.4 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
