1998 Daihatsu Rocky vs. 2007 Daihatsu Copen
To start off, 2007 Daihatsu Copen is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1998 Daihatsu Rocky would be higher. At 2,237 cc (4 cylinders), 1998 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1998 Daihatsu Rocky (90 HP @ 4200 RPM) has 4 more horse power than 2007 Daihatsu Copen. (86 HP @ 6000 RPM). In normal driving conditions, 1998 Daihatsu Rocky should accelerate faster than 2007 Daihatsu Copen. With that said, vehicle weight also plays an important factor in acceleration. 1998 Daihatsu Rocky weights approximately 530 kg more than 2007 Daihatsu Copen. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 1998 Daihatsu Rocky (182 Nm @ 2500 RPM) has 62 more torque (in Nm) than 2007 Daihatsu Copen. (120 Nm @ 4400 RPM). This means 1998 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Copen.
Compare all specifications:
| 1998 Daihatsu Rocky | 2007 Daihatsu Copen | |
| Make | Daihatsu | Daihatsu |
| Model | Rocky | Copen |
| Year Released | 1998 | 2007 |
| Body Type | SUV | Roadster |
| Engine Position | Front | Front |
| Engine Size | 2237 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 90 HP | 86 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 182 Nm | 120 Nm |
| Torque RPM | 2500 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1380 kg | 850 kg |
| Vehicle Length | 3850 mm | 3400 mm |
| Vehicle Width | 1700 mm | 1480 mm |
| Vehicle Height | 1860 mm | 1250 mm |
| Wheelbase Size | 2540 mm | 2230 mm |
