2002 Alpina B3 vs. 2005 BMW 730
To start off, 2005 BMW 730 is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Alpina B3. In addition, the cost of maintenance, including insurance, on 2002 Alpina B3 would be higher. At 3,346 cc (6 cylinders), 2002 Alpina B3 is equipped with a bigger engine. In terms of performance, 2002 Alpina B3 (301 HP @ 6300 RPM) has 76 more horse power than 2005 BMW 730. (225 HP @ 4000 RPM). In normal driving conditions, 2002 Alpina B3 should accelerate faster than 2005 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 493 kg more than 2002 Alpina B3.
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, 2005 BMW 730 (500 Nm @ 2000 RPM) has 138 more torque (in Nm) than 2002 Alpina B3. (362 Nm @ 4800 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2002 Alpina B3.
Compare all specifications:
| 2002 Alpina B3 | 2005 BMW 730 | |
| Make | Alpina | BMW |
| Model | B3 | 730 |
| Year Released | 2002 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 225 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 362 Nm | 500 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Bore Size | 87 mm | 84.1 mm |
| Engine Stroke Size | 93.8 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1482 kg | 1975 kg |
| Vehicle Length | 4490 mm | 5050 mm |
| Vehicle Width | 1760 mm | 1910 mm |
| Vehicle Height | 1370 mm | 1500 mm |
| Wheelbase Size | 2730 mm | 2890 mm |
| Fuel Tank Capacity | 88 L | 88 L |
