2007 BMW 730 vs. 2009 Alpina B3
To start off, 2009 Alpina B3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 730. In addition, the cost of maintenance, including insurance, on 2007 BMW 730 would be higher. At 3,346 cc (6 cylinders), 2009 Alpina B3 is equipped with a bigger engine. In terms of performance, 2009 Alpina B3 (301 HP @ 6300 RPM) has 46 more horse power than 2007 BMW 730. (255 HP @ 6600 RPM) In normal driving conditions, 2009 Alpina B3 should accelerate faster than 2007 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 730 weights approximately 368 kg more than 2009 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, 2009 Alpina B3 (362 Nm @ 4800 RPM) has 62 more torque (in Nm) than 2007 BMW 730. (300 Nm @ 2500 RPM). This means 2009 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 730.
Compare all specifications:
| 2007 BMW 730 | 2009 Alpina B3 | |
| Make | BMW | Alpina |
| Model | 730 | B3 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 3346 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 301 HP |
| Engine RPM | 6600 RPM | 6300 RPM |
| Torque | 300 Nm | 362 Nm |
| Torque RPM | 2500 RPM | 4800 RPM |
| Engine Compression Ratio | 10.7:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 244 km/hour | 271 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 5.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1820 kg | 1452 kg |
| Vehicle Length | 5180 mm | 4490 mm |
| Vehicle Width | 1910 mm | 1760 mm |
| Vehicle Height | 1500 mm | 1370 mm |
| Wheelbase Size | 3140 mm | 2730 mm |
| Fuel Consumption Overall | 10.1 L/100km | 11 L/100km |
| Fuel Tank Capacity | 88 L | 63 L |
