1999 Daihatsu Naked vs. 1991 Daihatsu Rocky
To start off, 1999 Daihatsu Naked is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1991 Daihatsu Rocky would be higher. At 1,998 cc (4 cylinders), 1991 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1991 Daihatsu Rocky (87 HP @ 4600 RPM) has 25 more horse power than 1999 Daihatsu Naked. (62 HP @ 6400 RPM) In normal driving conditions, 1991 Daihatsu Rocky should accelerate faster than 1999 Daihatsu Naked. With that said, vehicle weight also plays an important factor in acceleration. 1991 Daihatsu Rocky weights approximately 540 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.
Because 1991 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1999 Daihatsu Naked. In wet, icy, snow, or gravel driving conditions, 1991 Daihatsu Rocky will offer significantly more control. 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, 1991 Daihatsu Rocky (157 Nm @ 3000 RPM) has 50 more torque (in Nm) than 1999 Daihatsu Naked. (107 Nm @ 3600 RPM). This means 1991 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 | 1991 Daihatsu Rocky | |
| Make | Daihatsu | Daihatsu |
| Model | Naked | Rocky |
| Year Released | 1999 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 659 cc | 1998 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 62 HP | 87 HP |
| Engine RPM | 6400 RPM | 4600 RPM |
| Torque | 107 Nm | 157 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Drive Type | Front | 4WD |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 810 kg | 1350 kg |
| Vehicle Length | 3400 mm | 3780 mm |
| Vehicle Width | 1480 mm | 1590 mm |
| Vehicle Height | 1560 mm | 1850 mm |
| Wheelbase Size | 2370 mm | 2210 mm |
