2004 Daihatsu Copen vs. 1986 Renault 21
To start off, 2004 Daihatsu Copen is newer by 18 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 1,721 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 1986 Renault 21 (75 HP @ 5000 RPM) has 8 more horse power than 2004 Daihatsu Copen. (67 HP @ 6000 RPM) In normal driving conditions, 1986 Renault 21 should accelerate faster than 2004 Daihatsu Copen. With that said, vehicle weight also plays an important factor in acceleration. 1986 Renault 21 weights approximately 105 kg more than 2004 Daihatsu Copen. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 1986 Renault 21 (129 Nm @ 3250 RPM) has 29 more torque (in Nm) than 2004 Daihatsu Copen. (100 Nm @ 3200 RPM). This means 1986 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 2004 Daihatsu Copen.
Compare all specifications:
| 2004 Daihatsu Copen | 1986 Renault 21 | |
| Make | Daihatsu | Renault |
| Model | Copen | 21 |
| Year Released | 2004 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 659 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 67 HP | 75 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 100 Nm | 129 Nm |
| Torque RPM | 3200 RPM | 3250 RPM |
| Engine Bore Size | 61 mm | 81 mm |
| Engine Stroke Size | 56.4 mm | 83.5 mm |
| Engine Compression Ratio | 8.0:1 | 9.2:1 |
| Top Speed | 170 km/hour | 176 km/hour |
| Acceleration 0-100mph | 12 seconds | 12 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 850 kg | 955 kg |
| Vehicle Length | 3400 mm | 4470 mm |
| Vehicle Width | 1480 mm | 1710 mm |
| Vehicle Height | 1250 mm | 1420 mm |
| Wheelbase Size | 2380 mm | 2670 mm |
| Fuel Tank Capacity | 43 L | 66 L |
