1968 BMW 2002 vs. 2005 BMW 645
To start off, 2005 BMW 645 is newer by 37 year(s). Which means there will be less support and parts availability for 1968 BMW 2002. In addition, the cost of maintenance, including insurance, on 1968 BMW 2002 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (338 HP @ 6100 RPM) has 208 more horse power than 1968 BMW 2002. (130 HP @ 5800 RPM) In normal driving conditions, 2005 BMW 645 should accelerate faster than 1968 BMW 2002. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 689 kg more than 1968 BMW 2002. 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, 2005 BMW 645 (439 Nm @ 3600 RPM) has 261 more torque (in Nm) than 1968 BMW 2002. (178 Nm @ 4500 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1968 BMW 2002.
Compare all specifications:
| 1968 BMW 2002 | 2005 BMW 645 | |
| Make | BMW | BMW |
| Model | 2002 | 645 |
| Year Released | 1968 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 4390 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 130 HP | 338 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 178 Nm | 439 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Bore Size | 89 mm | 92 mm |
| Engine Stroke Size | 80 mm | 83 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Top Speed | 193 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1026 kg | 1715 kg |
| Vehicle Length | 4240 mm | 4830 mm |
| Vehicle Width | 1570 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2510 mm | 2790 mm |
| Fuel Tank Capacity | 46 L | 70 L |
