2006 BMW 320 vs. 2011 Alpina B5
To start off, 2011 Alpina B5 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 BMW 320. In addition, the cost of maintenance, including insurance, on 2006 BMW 320 would be higher. At 4,397 cc (8 cylinders), 2011 Alpina B5 is equipped with a bigger engine. In terms of performance, 2011 Alpina B5 (493 HP @ 5500 RPM) has 345 more horse power than 2006 BMW 320. (148 HP @ 4000 RPM) In normal driving conditions, 2011 Alpina B5 should accelerate faster than 2006 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alpina B5 weights approximately 230 kg more than 2006 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, 2011 Alpina B5 (700 Nm @ 4250 RPM) has 370 more torque (in Nm) than 2006 BMW 320. (330 Nm @ 2000 RPM). This means 2011 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 320.
Compare all specifications:
| 2006 BMW 320 | 2011 Alpina B5 | |
| Make | BMW | Alpina |
| Model | 320 | B5 |
| Year Released | 2006 | 2011 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 4397 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 493 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 330 Nm | 700 Nm |
| Torque RPM | 2000 RPM | 4250 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 90 mm | 82.7 mm |
| Engine Compression Ratio | 17.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 216 km/hour | 300 km/hour |
| Acceleration 0-100mph | 9.2 seconds | 4.8 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1580 kg | 1810 kg |
| Vehicle Length | 4480 mm | 4850 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2730 mm | 2890 mm |
| Fuel Consumption Overall | 6 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
