2003 Alpina B3 vs. 2008 BMW 320
To start off, 2008 BMW 320 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Alpina B3. In addition, the cost of maintenance, including insurance, on 2003 Alpina B3 would be higher. At 3,346 cc (6 cylinders), 2003 Alpina B3 is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6300 RPM) has 152 more horse power than 2008 BMW 320. (149 HP @ 6200 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 2008 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 555 kg more than 2008 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, 2003 Alpina B3 (362 Nm @ 4800 RPM) has 162 more torque (in Nm) than 2008 BMW 320. (200 Nm @ 3600 RPM). This means 2003 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 320.
Compare all specifications:
| 2003 Alpina B3 | 2008 BMW 320 | |
| Make | Alpina | BMW |
| Model | B3 | 320 |
| Year Released | 2003 | 2008 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 149 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 362 Nm | 200 Nm |
| Torque RPM | 4800 RPM | 3600 RPM |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 93.1 mm | 90 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.4 seconds | 9 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1950 kg | 1395 kg |
| Vehicle Length | 4490 mm | 4870 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2770 mm |
| Fuel Consumption Overall | 10.9 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
