2007 Alpina B5 vs. 2009 BMW X6
To start off, 2009 BMW X6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Alpina B5. In addition, the cost of maintenance, including insurance, on 2007 Alpina B5 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 92 more horse power than 2009 BMW X6. (401 HP @ 5500 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2009 BMW X6. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 543 kg more than 2007 Alpina B5.
Because 2009 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alpina B5. In wet, icy, snow, or gravel driving conditions, 2009 BMW X6 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, 2007 Alpina B5 (700 Nm @ 4250 RPM) has 90 more torque (in Nm) than 2009 BMW X6. (610 Nm @ 1750 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X6.
Compare all specifications:
| 2007 Alpina B5 | 2009 BMW X6 | |
| Make | Alpina | BMW |
| Model | B5 | X6 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 401 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 700 Nm | 610 Nm |
| Torque RPM | 4250 RPM | 1750 RPM |
| Engine Bore Size | 92 mm | 89 mm |
| Engine Stroke Size | 82.7 mm | 88.3 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 314 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 5.4 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1722 kg | 2265 kg |
| Vehicle Length | 4850 mm | 4880 mm |
| Vehicle Width | 1850 mm | 1990 mm |
| Vehicle Height | 1470 mm | 1700 mm |
| Wheelbase Size | 2890 mm | 2940 mm |
| Fuel Consumption Overall | 12.3 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
