2009 Alpina Roadster vs. 2013 BMW M5
To start off, 2013 BMW M5 is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2009 Alpina Roadster would be higher. At 4,395 cc (10 cylinders), 2013 BMW M5 is equipped with a bigger engine. In terms of performance, 2013 BMW M5 (493 HP @ 7750 RPM) has 197 more horse power than 2009 Alpina Roadster. (296 HP @ 6300 RPM) In normal driving conditions, 2013 BMW M5 should accelerate faster than 2009 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW M5 weights approximately 425 kg more than 2009 Alpina Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 BMW M5 (519 Nm @ 6100 RPM) has 157 more torque (in Nm) than 2009 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2013 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Alpina Roadster.
Compare all specifications:
| 2009 Alpina Roadster | 2013 BMW M5 | |
| Make | Alpina | BMW |
| Model | Roadster | M5 |
| Year Released | 2009 | 2013 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 493 HP |
| Engine RPM | 6300 RPM | 7750 RPM |
| Torque | 362 Nm | 519 Nm |
| Torque RPM | 4800 RPM | 6100 RPM |
| Engine Bore Size | 87 mm | 92 mm |
| Engine Stroke Size | 93.8 mm | 75 mm |
| Engine Compression Ratio | 10.2:1 | 10.0 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1820 kg |
| Vehicle Length | 4100 mm | 4863 mm |
| Vehicle Width | 1790 mm | 1846 mm |
| Vehicle Height | 1300 mm | 1469 mm |
| Wheelbase Size | 2500 mm | 2889 mm |
| Fuel Tank Capacity | 55 L | 70 L |
