2006 Alpina B5 vs. 2007 BMW X3
To start off, 2007 BMW X3 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 232 more horse power than 2007 BMW X3. (260 HP @ 6600 RPM). In normal driving conditions, 2006 Alpina B5 should accelerate faster than 2007 BMW X3.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alpina B5. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 will offer significantly more control. 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 395 more torque (in Nm) than 2007 BMW X3. (305 Nm @ 2750 RPM). This means 2006 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2006 Alpina B5 | 2007 BMW X3 | |
| Make | Alpina | BMW |
| Model | B5 | X3 |
| Year Released | 2006 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 260 HP |
| Engine RPM | 5500 RPM | 6600 RPM |
| Torque | 700 Nm | 305 Nm |
| Torque RPM | 4250 RPM | 2750 RPM |
| Engine Bore Size | 92 mm | 85.1 mm |
| Engine Stroke Size | 82.7 mm | 87.9 mm |
| Engine Compression Ratio | 9.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 300 km/hour | 209 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 5 doors |
