2009 Alpina B7 vs. 2007 BMW X3
To start off, 2009 Alpina B7 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 4,396 cc (8 cylinders), 2009 Alpina B7 is equipped with a bigger engine. In terms of performance, 2009 Alpina B7 (493 HP @ 5500 RPM) has 344 more horse power than 2007 BMW X3. (149 HP @ 4000 RPM). In normal driving conditions, 2009 Alpina B7 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B7 weights approximately 220 kg more than 2007 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Alpina B7. 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 B7 (700 Nm @ 4250 RPM) has 370 more torque (in Nm) than 2007 BMW X3. (330 Nm @ 2000 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3. 2009 Alpina B7 has automatic transmission and 2007 BMW X3 has manual transmission. 2007 BMW X3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Alpina B7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alpina B7 | 2007 BMW X3 | |
| Make | Alpina | BMW |
| Model | B7 | X3 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 149 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 700 Nm | 330 Nm |
| Torque RPM | 4250 RPM | 2000 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 82.7 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 300 km/hour | 215 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 9.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1960 kg | 1740 kg |
| Vehicle Length | 5050 mm | 4570 mm |
| Vehicle Width | 1910 mm | 1680 mm |
| Vehicle Height | 1480 mm | 1860 mm |
| Wheelbase Size | 3000 mm | 2800 mm |
| Fuel Consumption Overall | 12.8 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 88 L | 67 L |
