2006 BMW 550 vs. 2005 Rover 45
To start off, 2006 BMW 550 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Rover 45. In addition, the cost of maintenance, including insurance, on 2005 Rover 45 would be higher. At 4,801 cc (8 cylinders), 2006 BMW 550 is equipped with a bigger engine. In terms of performance, 2006 BMW 550 (360 HP @ 6300 RPM) has 261 more horse power than 2005 Rover 45. (99 HP @ 4000 RPM). In normal driving conditions, 2006 BMW 550 should accelerate faster than 2005 Rover 45.
Because 2006 BMW 550 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 BMW 550. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2006 BMW 550 (488 Nm @ 3400 RPM) has 248 more torque (in Nm) than 2005 Rover 45. (240 Nm @ 2000 RPM). This means 2006 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2005 Rover 45.
Compare all specifications:
| 2006 BMW 550 | 2005 Rover 45 | |
| Make | BMW | Rover |
| Model | 550 | 45 |
| Year Released | 2006 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4801 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 360 HP | 99 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 488 Nm | 240 Nm |
| Torque RPM | 3400 RPM | 2000 RPM |
| Engine Bore Size | 93 mm | 84.5 mm |
| Engine Stroke Size | 88.3 mm | 88.9 mm |
| Engine Compression Ratio | 11.0:1 | 19.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4860 mm | 4370 mm |
| Vehicle Width | 1850 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2890 mm | 2630 mm |
| Fuel Tank Capacity | 70 L | 55 L |
