1984 Daihatsu Rocky vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 20 year(s). Which means there will be less support and parts availability for 1984 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1984 Daihatsu Rocky would be higher. At 2,765 cc (4 cylinders), 1984 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 2004 Opel Vectra (148 HP @ 4000 RPM) has 76 more horse power than 1984 Daihatsu Rocky. (72 HP @ 3600 RPM) In normal driving conditions, 2004 Opel Vectra should accelerate faster than 1984 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1984 Daihatsu Rocky weights approximately 350 kg more than 2004 Opel Vectra.
Because 1984 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, 1984 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 (315 Nm @ 2000 RPM) has 144 more torque (in Nm) than 1984 Daihatsu Rocky. (171 Nm @ 2200 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1984 Daihatsu Rocky.
Compare all specifications:
| 1984 Daihatsu Rocky | 2004 Opel Vectra | |
| Make | Daihatsu | Opel |
| Model | Rocky | Vectra |
| Year Released | 1984 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2765 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 148 HP |
| Engine RPM | 3600 RPM | 4000 RPM |
| Torque | 171 Nm | 315 Nm |
| Torque RPM | 2200 RPM | 2000 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1210 kg |
| Vehicle Length | 4110 mm | 4600 mm |
| Vehicle Width | 1590 mm | 1800 mm |
| Vehicle Height | 1920 mm | 1470 mm |
| Wheelbase Size | 2540 mm | 2500 mm |
