1998 Daihatsu Rocky vs. 1999 Daihatsu Naked
To start off, 1999 Daihatsu Naked is newer by 1 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 28 more horse power than 1999 Daihatsu Naked. (62 HP @ 6400 RPM). In normal driving conditions, 1998 Daihatsu Rocky should accelerate faster than 1999 Daihatsu Naked. With that said, vehicle weight also plays an important factor in acceleration. 1998 Daihatsu Rocky weights approximately 520 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, 1998 Daihatsu Rocky (182 Nm @ 2500 RPM) has 75 more torque (in Nm) than 1999 Daihatsu Naked. (107 Nm @ 3600 RPM). This means 1998 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Naked.
Compare all specifications:
| 1998 Daihatsu Rocky | 1999 Daihatsu Naked | |
| Make | Daihatsu | Daihatsu |
| Model | Rocky | Naked |
| Year Released | 1998 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2237 cc | 657 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 62 HP |
| Engine RPM | 4200 RPM | 6400 RPM |
| Torque | 182 Nm | 107 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1380 kg | 860 kg |
| Vehicle Length | 3850 mm | 3400 mm |
| Vehicle Width | 1700 mm | 1480 mm |
| Vehicle Height | 1860 mm | 1560 mm |
| Wheelbase Size | 2540 mm | 2370 mm |
