2004 Rover 45 vs. 2011 Alpina B5
To start off, 2011 Alpina B5 is newer by 7 year(s). Which means there will be less support and parts availability for 2004 Rover 45. In addition, the cost of maintenance, including insurance, on 2004 Rover 45 would be higher. At 4,397 cc (8 cylinders), 2011 Alpina B5 is equipped with a bigger engine. In terms of performance, 2011 Alpina B5 (493 HP @ 5500 RPM) has 378 more horse power than 2004 Rover 45. (115 HP @ 6000 RPM) In normal driving conditions, 2011 Alpina B5 should accelerate faster than 2004 Rover 45. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alpina B5 weights approximately 675 kg more than 2004 Rover 45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Alpina B5 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 2011 Alpina B5. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2011 Alpina B5 (700 Nm @ 4250 RPM) has 562 more torque (in Nm) than 2004 Rover 45. (138 Nm @ 4500 RPM). This means 2011 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2004 Rover 45. 2011 Alpina B5 has automatic transmission and 2004 Rover 45 has manual transmission. 2004 Rover 45 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Alpina B5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Rover 45 | 2011 Alpina B5 | |
| Make | Rover | Alpina |
| Model | 45 | B5 |
| Year Released | 2004 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 4397 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 115 HP | 493 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 138 Nm | 700 Nm |
| Torque RPM | 4500 RPM | 4250 RPM |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1135 kg | 1810 kg |
| Vehicle Length | 4550 mm | 4850 mm |
| Vehicle Width | 1690 mm | 1850 mm |
| Vehicle Height | 1400 mm | 1500 mm |
| Wheelbase Size | 2630 mm | 2890 mm |
| Fuel Tank Capacity | 55 L | 70 L |
