1980 Alpina B6 vs. 2004 BMW 645
To start off, 2004 BMW 645 is newer by 24 year(s). Which means there will be less support and parts availability for 1980 Alpina B6. In addition, the cost of maintenance, including insurance, on 1980 Alpina B6 would be higher. At 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 445 kg more than 1980 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:
| 1980 Alpina B6 | 2004 BMW 645 | |
| Make | Alpina | BMW |
| Model | B6 | 645 |
| Year Released | 1980 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2793 cc | 4392 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 0 HP | 322 HP |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1270 kg | 1715 kg |
| Vehicle Length | 4380 mm | 4840 mm |
| Vehicle Width | 1620 mm | 1860 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2580 mm | 2790 mm |
