1999 Daihatsu Rocky vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 5 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 3,175 cc (6 cylinders), 2004 Opel Vectra is equipped with a bigger engine. In terms of performance, 2004 Opel Vectra (208 HP @ 6200 RPM) has 118 more horse power than 1999 Daihatsu Rocky. (90 HP @ 4200 RPM) In normal driving conditions, 2004 Opel Vectra should accelerate faster than 1999 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 143 kg more than 1999 Daihatsu Rocky. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Vectra. 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, 2004 Opel Vectra (300 Nm @ 4000 RPM) has 118 more torque (in Nm) than 1999 Daihatsu Rocky. (182 Nm @ 2500 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Rocky. 2004 Opel Vectra has automatic transmission and 1999 Daihatsu Rocky has manual transmission. 1999 Daihatsu Rocky will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Daihatsu Rocky | 2004 Opel Vectra | |
| Make | Daihatsu | Opel |
| Model | Rocky | Vectra |
| Year Released | 1999 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2237 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 90 HP | 208 HP |
| Engine RPM | 4200 RPM | 6200 RPM |
| Torque | 182 Nm | 300 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1380 kg | 1523 kg |
| Vehicle Length | 3850 mm | 4600 mm |
| Vehicle Width | 1700 mm | 1800 mm |
| Vehicle Height | 1860 mm | 1470 mm |
| Wheelbase Size | 2540 mm | 2500 mm |
