1999 Daihatsu Naked vs. 1990 Daihatsu Rocky
To start off, 1999 Daihatsu Naked is newer by 9 year(s). Which means there will be less support and parts availability for 1990 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1990 Daihatsu Rocky would be higher. At 1,998 cc (4 cylinders), 1990 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1990 Daihatsu Rocky (88 HP @ 4600 RPM) has 32 more horse power than 1999 Daihatsu Naked. (56 HP @ 7600 RPM) In normal driving conditions, 1990 Daihatsu Rocky should accelerate faster than 1999 Daihatsu Naked. With that said, vehicle weight also plays an important factor in acceleration. 1990 Daihatsu Rocky weights approximately 510 kg more than 1999 Daihatsu Naked. 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, 1990 Daihatsu Rocky (157 Nm @ 3000 RPM) has 93 more torque (in Nm) than 1999 Daihatsu Naked. (64 Nm @ 4000 RPM). This means 1990 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Naked.
Compare all specifications:
| 1999 Daihatsu Naked | 1990 Daihatsu Rocky | |
| Make | Daihatsu | Daihatsu |
| Model | Naked | Rocky |
| Year Released | 1999 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 659 cc | 1998 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 88 HP |
| Engine RPM | 7600 RPM | 4600 RPM |
| Torque | 64 Nm | 157 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Drive Type | 4WD | 4WD |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 840 kg | 1350 kg |
| Vehicle Length | 3400 mm | 3780 mm |
| Vehicle Width | 1480 mm | 1590 mm |
| Vehicle Height | 1560 mm | 1850 mm |
| Wheelbase Size | 2380 mm | 2210 mm |
