2006 Alpina B5 vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Alpina B5. In addition, the cost of maintenance, including insurance, on 2006 Alpina B5 would be higher. At 4,396 cc (8 cylinders), 2006 Alpina B5 is equipped with a bigger engine. In terms of performance, 2006 Alpina B5 (492 HP @ 5500 RPM) has 277 more horse power than 2007 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2006 Alpina B5 should accelerate faster than 2007 BMW 525.
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, 2006 Alpina B5 (700 Nm @ 4250 RPM) has 450 more torque (in Nm) than 2007 BMW 525. (250 Nm @ 2900 RPM). This means 2006 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525.
Compare all specifications:
| 2006 Alpina B5 | 2007 BMW 525 | |
| Make | Alpina | BMW |
| Model | B5 | 525 |
| Year Released | 2006 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 2496 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 215 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 700 Nm | 250 Nm |
| Torque RPM | 4250 RPM | 2900 RPM |
| Engine Bore Size | 92 mm | 82 mm |
| Engine Stroke Size | 82.7 mm | 78.8 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 300 km/hour | 245 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 7.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4850 mm | 4850 mm |
| Vehicle Width | 1850 mm | 1470 mm |
| Vehicle Height | 1500 mm | 1850 mm |
| Wheelbase Size | 2730 mm | 2890 mm |
| Fuel Consumption Overall | 12.4 L/100km | 7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
