2006 Alpina B3 vs. 2005 Alpina Roadster
To start off, 2006 Alpina B3 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2005 Alpina Roadster would be higher. Both 2006 Alpina B3 and 2005 Alpina Roadster are equipped with a 3,346 cc engine. In terms of performance, both vehicles can yield 301 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar.
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, both vehicles can yield 362 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2006 Alpina B3 | 2005 Alpina Roadster | |
| Make | Alpina | Alpina |
| Model | B3 | Roadster |
| Year Released | 2006 | 2005 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 3346 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 301 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 362 Nm | 362 Nm |
| Torque RPM | 4800 RPM | 4800 RPM |
| Engine Bore Size | 87 mm | 87 mm |
| Engine Stroke Size | 93.8 mm | 93.8 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1626 kg | 1626 kg |
| Vehicle Length | 4490 mm | 4100 mm |
| Vehicle Width | 1760 mm | 1790 mm |
| Vehicle Height | 1360 mm | 1300 mm |
| Wheelbase Size | 2730 mm | 2500 mm |
| Fuel Consumption Overall | 11.2 L/100km | 11.7 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
