2004 Alpina B3 vs. 2009 Alpina Roadster
To start off, 2009 Alpina Roadster is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Alpina B3. In addition, the cost of maintenance, including insurance, on 2004 Alpina B3 would be higher. Both 2004 Alpina B3 and 2009 Alpina Roadster are equipped with a 3,346 cc engine. In terms of performance, 2004 Alpina B3 (301 HP @ 6300 RPM) has 5 more horse power than 2009 Alpina Roadster. (296 HP @ 6300 RPM). In normal driving conditions, 2004 Alpina B3 should accelerate faster than 2009 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alpina B3 weights approximately 55 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, 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:
| 2004 Alpina B3 | 2009 Alpina Roadster | |
| Make | Alpina | Alpina |
| Model | B3 | Roadster |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | 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 | 296 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 | 10.2:1 |
| Top Speed | 270 km/hour | 265 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 5.3 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1395 kg |
| Vehicle Length | 4480 mm | 4100 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2730 mm | 2500 mm |
| Fuel Consumption Overall | 11.1 L/100km | 10 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
