2006 Alpina B3 vs. 2007 BMW 320
To start off, 2007 BMW 320 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Alpina B3. In addition, the cost of maintenance, including insurance, on 2006 Alpina B3 would be higher. At 3,347 cc (6 cylinders), 2006 Alpina B3 is equipped with a bigger engine. In terms of performance, 2006 Alpina B3 (301 HP @ 6300 RPM) has 153 more horse power than 2007 BMW 320. (148 HP @ 6200 RPM). In normal driving conditions, 2006 Alpina B3 should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alpina B3 weights approximately 130 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.
Let's talk about torque, 2006 Alpina B3 (363 Nm @ 4800 RPM) has 163 more torque (in Nm) than 2007 BMW 320. (200 Nm @ 3600 RPM). This means 2006 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2006 Alpina B3 | 2007 BMW 320 | |
| Make | Alpina | BMW |
| Model | B3 | 320 |
| Year Released | 2006 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3347 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 148 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 363 Nm | 200 Nm |
| Torque RPM | 4800 RPM | 3600 RPM |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 93.9 mm | 90 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 266 km/hour | 220 km/hour |
| Acceleration 0-100mph | 5.8 seconds | 9 seconds |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1525 kg | 1395 kg |
| Vehicle Length | 4480 mm | 4530 mm |
| Vehicle Width | 1750 mm | 1430 mm |
| Vehicle Height | 1420 mm | 1880 mm |
| Wheelbase Size | 2730 mm | 2770 mm |
| Fuel Consumption Overall | 11.1 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
