2009 Alpina Roadster vs. 2006 BMW M3
To start off, 2009 Alpina Roadster is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW M3. In addition, the cost of maintenance, including insurance, on 2006 BMW M3 would be higher. At 3,346 cc (6 cylinders), 2009 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2006 BMW M3 (333 HP @ 7900 RPM) has 37 more horse power than 2009 Alpina Roadster. (296 HP @ 6300 RPM) In normal driving conditions, 2006 BMW M3 should accelerate faster than 2009 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW M3 weights approximately 175 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, 2009 Alpina Roadster (362 Nm @ 4800 RPM) has 7 more torque (in Nm) than 2006 BMW M3. (355 Nm @ 4900 RPM). This means 2009 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW M3.
Compare all specifications:
| 2009 Alpina Roadster | 2006 BMW M3 | |
| Make | Alpina | BMW |
| Model | Roadster | M3 |
| Year Released | 2009 | 2006 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 3245 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 333 HP |
| Engine RPM | 6300 RPM | 7900 RPM |
| Torque | 362 Nm | 355 Nm |
| Torque RPM | 4800 RPM | 4900 RPM |
| Engine Bore Size | 87 mm | 87 mm |
| Engine Stroke Size | 93.8 mm | 91 mm |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 265 km/hour | 249 km/hour |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1570 kg |
| Vehicle Length | 4100 mm | 4500 mm |
| Vehicle Width | 1790 mm | 1790 mm |
| Vehicle Height | 1300 mm | 1380 mm |
| Wheelbase Size | 2500 mm | 2740 mm |
| Fuel Consumption Overall | 10 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
