2009 Alpina B7 vs. 2009 BMW 325
To start off, both 2009 Alpina B7 and 2009 BMW 325 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,397 cc (8 cylinders), 2009 Alpina B7 is equipped with a bigger engine. In terms of performance, 2009 Alpina B7 (493 HP @ 5500 RPM) has 278 more horse power than 2009 BMW 325. (215 HP @ 6500 RPM). In normal driving conditions, 2009 Alpina B7 should accelerate faster than 2009 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B7 weights approximately 315 kg more than 2009 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 325 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, 2009 BMW 325 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 450 more torque (in Nm) than 2009 BMW 325. (250 Nm @ 2750 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 325.
Compare all specifications:
| 2009 Alpina B7 | 2009 BMW 325 | |
| Make | Alpina | BMW |
| Model | B7 | 325 |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 2494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 215 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 700 Nm | 250 Nm |
| Torque RPM | 4250 RPM | 2750 RPM |
| Engine Bore Size | 92 mm | 82 mm |
| Engine Stroke Size | 82.8 mm | 78.8 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 300 km/hour | 240 km/hour |
| Acceleration 0-100mph | 5 seconds | 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 | 1990 kg | 1675 kg |
| Vehicle Length | 5180 mm | 4530 mm |
| Vehicle Width | 1910 mm | 1820 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 3140 mm | 2770 mm |
| Fuel Consumption Overall | 12.9 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 88 L | 63 L |
