1977 BMW 320 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 29 year(s). Which means there will be less support and parts availability for 1977 BMW 320. In addition, the cost of maintenance, including insurance, on 1977 BMW 320 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP) has 167 more horse power than 1977 BMW 320. (161 HP) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1977 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 786 kg more than 1977 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.
Compare all specifications:
| 1977 BMW 320 | 2006 BMW 645 | |
| Make | BMW | BMW |
| Model | 320 | 645 |
| Year Released | 1977 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 161 HP | 328 HP |
| Engine Bore Size | 88.9 mm | 92 mm |
| Engine Stroke Size | 80 mm | 83 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 191 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1050 kg | 1836 kg |
| Vehicle Length | 4520 mm | 4830 mm |
| Vehicle Width | 1620 mm | 1860 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2570 mm | 2790 mm |
