1970 BMW 2002 vs. 2003 BMW 645
To start off, 2003 BMW 645 is newer by 33 year(s). Which means there will be less support and parts availability for 1970 BMW 2002. In addition, the cost of maintenance, including insurance, on 1970 BMW 2002 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (325 HP @ 6100 RPM) has 225 more horse power than 1970 BMW 2002. (100 HP @ 5500 RPM) In normal driving conditions, 2003 BMW 645 should accelerate faster than 1970 BMW 2002. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 700 kg more than 1970 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 293 more torque (in Nm) than 1970 BMW 2002. (157 Nm @ 3500 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1970 BMW 2002.
Compare all specifications:
| 1970 BMW 2002 | 2003 BMW 645 | |
| Make | BMW | BMW |
| Model | 2002 | 645 |
| Year Released | 1970 | 2003 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1989 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 100 HP | 325 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 157 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 89 mm | 92 mm |
| Engine Stroke Size | 80 mm | 82.7 mm |
| Engine Compression Ratio | 8.5:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 990 kg | 1690 kg |
| Vehicle Length | 4240 mm | 4830 mm |
| Vehicle Width | 1600 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2510 mm | 2890 mm |
| Fuel Tank Capacity | 46 L | 70 L |
