2009 Alpina B7 vs. 2007 BMW 320
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 320. In addition, the cost of maintenance, including insurance, on 2007 BMW 320 would be higher. 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 339 more horse power than 2007 BMW 320. (154 HP @ 4000 RPM). In normal driving conditions, 2009 Alpina B7 should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B7 weights approximately 485 kg more than 2007 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 369 more torque (in Nm) than 2007 BMW 320. (331 Nm @ 2000 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2009 Alpina B7 | 2007 BMW 320 | |
| Make | Alpina | BMW |
| Model | B7 | 320 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4397 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 | 154 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 700 Nm | 331 Nm |
| Torque RPM | 4250 RPM | 2000 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 82.8 mm | 90 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 300 km/hour | 216 km/hour |
| Acceleration 0-100mph | 5 seconds | 8.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1990 kg | 1505 kg |
| Vehicle Length | 5180 mm | 4530 mm |
| Vehicle Width | 1910 mm | 1430 mm |
| Vehicle Height | 1450 mm | 1820 mm |
| Wheelbase Size | 3140 mm | 2770 mm |
| Fuel Consumption Overall | 12.9 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 88 L | 60 L |
