1997 Daihatsu Rocky vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 12 year(s). Which means there will be less support and parts availability for 1997 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1997 Daihatsu Rocky would be higher. At 2,237 cc (4 cylinders), 1997 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1997 Daihatsu Rocky (91 HP @ 4200 RPM) has 5 more horse power than 2009 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 1997 Daihatsu Rocky should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1997 Daihatsu Rocky weights approximately 440 kg more than 2009 Daihatsu Sirion. 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, 1997 Daihatsu Rocky (182 Nm @ 2500 RPM) has 62 more torque (in Nm) than 2009 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 1997 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2009 Daihatsu Sirion has automatic transmission and 1997 Daihatsu Rocky has manual transmission. 1997 Daihatsu Rocky will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1997 Daihatsu Rocky | 2009 Daihatsu Sirion | |
| Make | Daihatsu | Daihatsu |
| Model | Rocky | Sirion |
| Year Released | 1997 | 2009 |
| Body Type | SUV | Hatchback |
| 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 | 91 HP | 86 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 182 Nm | 120 Nm |
| Torque RPM | 2500 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1380 kg | 940 kg |
| Vehicle Length | 3850 mm | 3610 mm |
| Vehicle Width | 1700 mm | 1560 mm |
| Vehicle Height | 1860 mm | 1670 mm |
| Wheelbase Size | 2540 mm | 2440 mm |
