2006 BMW 645 vs. 2002 Daihatsu Copen
To start off, 2006 BMW 645 is newer by 4 year(s). Which means there will be less support and parts availability for 2002 Daihatsu Copen. In addition, the cost of maintenance, including insurance, on 2002 Daihatsu Copen 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 @ 6100 RPM) has 266 more horse power than 2002 Daihatsu Copen. (62 HP @ 6000 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2002 Daihatsu Copen. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 1006 kg more than 2002 Daihatsu Copen. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2002 Daihatsu Copen, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 340 more torque (in Nm) than 2002 Daihatsu Copen. (110 Nm @ 3200 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2002 Daihatsu Copen.
Compare all specifications:
| 2006 BMW 645 | 2002 Daihatsu Copen | |
| Make | BMW | Daihatsu |
| Model | 645 | Copen |
| Year Released | 2006 | 2002 |
| Body Type | Convertible | Roadster |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 659 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 328 HP | 62 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 450 Nm | 110 Nm |
| Torque RPM | 3600 RPM | 3200 RPM |
| Engine Compression Ratio | 10.0:1 | 8.2:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1836 kg | 830 kg |
| Vehicle Length | 4830 mm | 3400 mm |
| Vehicle Width | 1860 mm | 1480 mm |
| Vehicle Height | 1380 mm | 1250 mm |
| Wheelbase Size | 2790 mm | 2240 mm |
| Fuel Tank Capacity | 70 L | 40 L |
