1991 Daihatsu Rocky vs. 1992 Opel Astra
To start off, 1992 Opel Astra is newer by 1 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 2,765 cc (4 cylinders), 1991 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1992 Opel Astra (134 HP @ 5600 RPM) has 62 more horse power than 1991 Daihatsu Rocky. (72 HP @ 3600 RPM) In normal driving conditions, 1992 Opel Astra should accelerate faster than 1991 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1991 Daihatsu Rocky weights approximately 515 kg more than 1992 Opel Astra.
Because 1991 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1992 Opel Astra. 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, 1992 Opel Astra (189 Nm @ 3200 RPM) has 19 more torque (in Nm) than 1991 Daihatsu Rocky. (170 Nm @ 2200 RPM). This means 1992 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1991 Daihatsu Rocky.
Compare all specifications:
| 1991 Daihatsu Rocky | 1992 Opel Astra | |
| Make | Daihatsu | Opel |
| Model | Rocky | Astra |
| Year Released | 1991 | 1992 |
| 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 | 134 HP |
| Engine RPM | 3600 RPM | 5600 RPM |
| Torque | 170 Nm | 189 Nm |
| Torque RPM | 2200 RPM | 3200 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Vehicle Weight | 1560 kg | 1045 kg |
| Vehicle Length | 4110 mm | 4280 mm |
| Vehicle Width | 1590 mm | 1700 mm |
| Vehicle Height | 1920 mm | 1480 mm |
| Wheelbase Size | 2540 mm | 2620 mm |
