2006 Alpina Roadster vs. 2008 BMW 318
To start off, 2008 BMW 318 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2006 Alpina Roadster would be higher. At 3,346 cc (6 cylinders), 2006 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2006 Alpina Roadster (296 HP @ 6300 RPM) has 169 more horse power than 2008 BMW 318. (127 HP @ 3750 RPM). In normal driving conditions, 2006 Alpina Roadster should accelerate faster than 2008 BMW 318.
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, 2006 Alpina Roadster (362 Nm @ 4800 RPM) has 162 more torque (in Nm) than 2008 BMW 318. (200 Nm @ 3750 RPM). This means 2006 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 318.
Compare all specifications:
| 2006 Alpina Roadster | 2008 BMW 318 | |
| Make | Alpina | BMW |
| Model | Roadster | 318 |
| Year Released | 2006 | 2008 |
| 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 | 127 HP |
| Engine RPM | 6300 RPM | 3750 RPM |
| Torque | 362 Nm | 200 Nm |
| Torque RPM | 4800 RPM | 3750 RPM |
| Engine Compression Ratio | 10.0:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 265 km/hour | 213 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 9.3 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 | 4490 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2730 mm |
| Fuel Consumption Overall | 11.7 L/100km | 7.2 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
