1981 Alpina B6 vs. 2003 BMW 520
To start off, 2003 BMW 520 is newer by 22 year(s). Which means there will be less support and parts availability for 1981 Alpina B6. In addition, the cost of maintenance, including insurance, on 1981 Alpina B6 would be higher. At 2,793 cc (6 cylinders), 1981 Alpina B6 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 520 weights approximately 400 kg more than 1981 Alpina B6.
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.
Compare all specifications:
| 1981 Alpina B6 | 2003 BMW 520 | |
| Make | Alpina | BMW |
| Model | B6 | 520 |
| Year Released | 1981 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2793 cc | 2170 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 0 HP | 167 HP |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1270 kg | 1670 kg |
| Vehicle Length | 4380 mm | 4810 mm |
| Vehicle Width | 1620 mm | 1810 mm |
| Vehicle Height | 1390 mm | 1450 mm |
| Wheelbase Size | 2580 mm | 2890 mm |
