2009 Alpina B3 vs. 2007 BMW X3
To start off, 2009 Alpina B3 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 3,347 cc (6 cylinders), 2009 Alpina B3 is equipped with a bigger engine. In terms of performance, 2009 Alpina B3 (301 HP @ 6300 RPM) has 41 more horse power than 2007 BMW X3. (260 HP @ 6600 RPM). In normal driving conditions, 2009 Alpina B3 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 2009 Alpina B3. 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 B3 (362 Nm @ 4800 RPM) has 57 more torque (in Nm) than 2007 BMW X3. (305 Nm @ 2750 RPM). This means 2009 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2009 Alpina B3 | 2007 BMW X3 | |
| Make | Alpina | BMW |
| Model | B3 | X3 |
| Year Released | 2009 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 3347 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 260 HP |
| Engine RPM | 6300 RPM | 6600 RPM |
| Torque | 362 Nm | 305 Nm |
| Torque RPM | 4800 RPM | 2750 RPM |
| Engine Bore Size | 87 mm | 85.1 mm |
| Engine Stroke Size | 93.9 mm | 87.9 mm |
| Engine Compression Ratio | 10.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 266 km/hour | 209 km/hour |
| Drive Type | Rear | 4WD |
| Number of Doors | 5 doors | 5 doors |
