2007 Alpina B5 vs. 2005 BMW 645
To start off, 2007 Alpina B5 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2007 Alpina B5 is equipped with a bigger engine. In terms of performance, 2007 Alpina B5 (493 HP @ 5500 RPM) has 167 more horse power than 2005 BMW 645. (326 HP @ 6100 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2005 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 173 kg more than 2007 Alpina B5.
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, 2007 Alpina B5 (700 Nm @ 4250 RPM) has 253 more torque (in Nm) than 2005 BMW 645. (447 Nm @ 3600 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 645.
Compare all specifications:
2007 Alpina B5 | 2005 BMW 645 | |
Make | Alpina | BMW |
Model | B5 | 645 |
Year Released | 2007 | 2005 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 4398 cc | 4392 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 493 HP | 326 HP |
Engine RPM | 5500 RPM | 6100 RPM |
Torque | 700 Nm | 447 Nm |
Torque RPM | 4250 RPM | 3600 RPM |
Engine Bore Size | 92 mm | 92 mm |
Engine Stroke Size | 82.7 mm | 83 mm |
Engine Compression Ratio | 9.0:1 | 10.5:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 314 km/hour | 250 km/hour |
Acceleration 0-100mph | 4.7 seconds | 6.1 seconds |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1722 kg | 1895 kg |
Vehicle Length | 4850 mm | 4830 mm |
Vehicle Width | 1850 mm | 1860 mm |
Vehicle Height | 1470 mm | 1380 mm |
Wheelbase Size | 2890 mm | 2890 mm |
Fuel Consumption Overall | 12.3 L/100km | 12.8 L/100km |
Fuel Tank Capacity | 70 L | 70 L |