1986 Daihatsu Rocky vs. 2002 Opel Signum
To start off, 2002 Opel Signum is newer by 16 year(s). Which means there will be less support and parts availability for 1986 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1986 Daihatsu Rocky would be higher. At 2,765 cc (4 cylinders), 1986 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 2002 Opel Signum (100 HP @ 3120 RPM) has 28 more horse power than 1986 Daihatsu Rocky. (72 HP @ 3600 RPM) In normal driving conditions, 2002 Opel Signum should accelerate faster than 1986 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 35 kg more than 1986 Daihatsu Rocky. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 2002 Opel Signum. In wet, icy, snow, or gravel driving conditions, 1986 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, 2002 Opel Signum (230 Nm @ 1500 RPM) has 59 more torque (in Nm) than 1986 Daihatsu Rocky. (171 Nm @ 2200 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1986 Daihatsu Rocky.
Compare all specifications:
| 1986 Daihatsu Rocky | 2002 Opel Signum | |
| Make | Daihatsu | Opel |
| Model | Rocky | Signum |
| Year Released | 1986 | 2002 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2765 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 100 HP |
| Engine RPM | 3600 RPM | 3120 RPM |
| Torque | 171 Nm | 230 Nm |
| Torque RPM | 2200 RPM | 1500 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1595 kg |
| Vehicle Length | 4110 mm | 4640 mm |
| Vehicle Width | 1590 mm | 1720 mm |
| Vehicle Height | 1920 mm | 1470 mm |
| Wheelbase Size | 2540 mm | 2610 mm |
