2009 Alpina B5 vs. 2007 BMW X3
To start off, 2009 Alpina B5 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW X3. In addition, the cost of maintenance, including insurance, on 2007 BMW X3 would be higher. At 4,398 cc (8 cylinders), 2009 Alpina B5 is equipped with a bigger engine. In terms of performance, 2009 Alpina B5 (493 HP @ 5500 RPM) has 225 more horse power than 2007 BMW X3. (268 HP @ 6600 RPM). In normal driving conditions, 2009 Alpina B5 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 95 kg more than 2009 Alpina B5.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 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, 2009 Alpina B5 (700 Nm @ 4250 RPM) has 385 more torque (in Nm) than 2007 BMW X3. (315 Nm @ 2750 RPM). This means 2009 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2009 Alpina B5 | 2007 BMW X3 | |
| Make | Alpina | BMW |
| Model | B5 | X3 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 268 HP |
| Engine RPM | 5500 RPM | 6600 RPM |
| Torque | 700 Nm | 315 Nm |
| Torque RPM | 4250 RPM | 2750 RPM |
| Engine Compression Ratio | 9.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 309 km/hour | 210 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 7.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1720 kg | 1815 kg |
| Vehicle Length | 4850 mm | 4570 mm |
| Vehicle Width | 1850 mm | 1680 mm |
| Vehicle Height | 1470 mm | 1860 mm |
| Wheelbase Size | 2890 mm | 2800 mm |
| Fuel Consumption Overall | 12.3 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
