2009 Alpina Roadster vs. 2004 BMW 525
To start off, 2009 Alpina Roadster is newer by 5 year(s). Which means there will be less support and parts availability for 2004 BMW 525. In addition, the cost of maintenance, including insurance, on 2004 BMW 525 would be higher. At 3,346 cc (6 cylinders), 2009 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2009 Alpina Roadster (296 HP @ 6300 RPM) has 107 more horse power than 2004 BMW 525. (189 HP @ 6000 RPM). In normal driving conditions, 2009 Alpina Roadster should accelerate faster than 2004 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 525 weights approximately 270 kg more than 2009 Alpina Roadster.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Alpina Roadster (362 Nm @ 4800 RPM) has 117 more torque (in Nm) than 2004 BMW 525. (245 Nm @ 3500 RPM). This means 2009 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 525. 2004 BMW 525 has automatic transmission and 2009 Alpina Roadster has manual transmission. 2009 Alpina Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alpina Roadster | 2004 BMW 525 | |
| Make | Alpina | BMW |
| Model | Roadster | 525 |
| Year Released | 2009 | 2004 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 189 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 362 Nm | 245 Nm |
| Torque RPM | 4800 RPM | 3500 RPM |
| Engine Bore Size | 87 mm | 84.1 mm |
| Engine Stroke Size | 93.8 mm | 75 mm |
| Engine Compression Ratio | 10.2:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1395 kg | 1665 kg |
| Vehicle Length | 4100 mm | 4850 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1300 mm | 1500 mm |
| Wheelbase Size | 2500 mm | 2890 mm |
| Fuel Consumption Overall | 10 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
