2009 Daihatsu Sirion vs. 1999 Daihatsu Rocky
To start off, 2009 Daihatsu Sirion is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1999 Daihatsu Rocky would be higher. At 2,237 cc (4 cylinders), 1999 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 2009 Daihatsu Sirion (102 HP @ 6000 RPM) has 12 more horse power than 1999 Daihatsu Rocky. (90 HP @ 4200 RPM). In normal driving conditions, 2009 Daihatsu Sirion should accelerate faster than 1999 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1999 Daihatsu Rocky weights approximately 415 kg more than 2009 Daihatsu Sirion.
Because 1999 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 2009 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Daihatsu Rocky (182 Nm @ 2500 RPM) has 50 more torque (in Nm) than 2009 Daihatsu Sirion. (132 Nm @ 4400 RPM). This means 1999 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2009 Daihatsu Sirion | 1999 Daihatsu Rocky | |
| Make | Daihatsu | Daihatsu |
| Model | Sirion | Rocky |
| Year Released | 2009 | 1999 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1494 cc | 2237 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 102 HP | 90 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 132 Nm | 182 Nm |
| Torque RPM | 4400 RPM | 2500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 965 kg | 1380 kg |
| Vehicle Length | 3640 mm | 3850 mm |
| Vehicle Width | 1670 mm | 1700 mm |
| Vehicle Height | 1560 mm | 1860 mm |
| Wheelbase Size | 2440 mm | 2540 mm |
