2009 Alpina Roadster vs. 2009 BMW 320
To start off, both 2009 Alpina Roadster and 2009 BMW 320 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 148 more horse power than 2009 BMW 320. (148 HP @ 6200 RPM). In normal driving conditions, 2009 Alpina Roadster should accelerate faster than 2009 BMW 320.
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 162 more torque (in Nm) than 2009 BMW 320. (200 Nm @ 3600 RPM). This means 2009 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 320.
Compare all specifications:
| 2009 Alpina Roadster | 2009 BMW 320 | |
| Make | Alpina | BMW |
| Model | Roadster | 320 |
| Year Released | 2009 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 148 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 362 Nm | 200 Nm |
| Torque RPM | 4800 RPM | 3600 RPM |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 93.8 mm | 90 mm |
| Engine Compression Ratio | 10.2:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 265 km/hour | 220 km/hour |
| Acceleration 0-100mph | 5.3 seconds | 9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1395 kg |
| Vehicle Length | 4100 mm | 4530 mm |
| Vehicle Width | 1790 mm | 1820 mm |
| Vehicle Height | 1300 mm | 1430 mm |
| Wheelbase Size | 2500 mm | 2770 mm |
| Fuel Consumption Overall | 10 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
