1990 Daihatsu Rocky vs. 1955 Rover P4
To start off, 1990 Daihatsu Rocky is newer by 35 year(s). Which means there will be less support and parts availability for 1955 Rover P4. In addition, the cost of maintenance, including insurance, on 1955 Rover P4 would be higher. At 2,230 cc (6 cylinders), 1955 Rover P4 is equipped with a bigger engine. In terms of performance, 1990 Daihatsu Rocky (88 HP @ 4600 RPM) has 18 more horse power than 1955 Rover P4. (70 HP @ 4500 RPM). In normal driving conditions, 1990 Daihatsu Rocky should accelerate faster than 1955 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1955 Rover P4 weights approximately 50 kg more than 1990 Daihatsu Rocky.
Because 1990 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1955 Rover P4. In wet, icy, snow, or gravel driving conditions, 1990 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, 1990 Daihatsu Rocky (157 Nm @ 3000 RPM) has 4 more torque (in Nm) than 1955 Rover P4. (153 Nm @ 1750 RPM). This means 1990 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1955 Rover P4.
Compare all specifications:
| 1990 Daihatsu Rocky | 1955 Rover P4 | |
| Make | Daihatsu | Rover |
| Model | Rocky | P4 |
| Year Released | 1990 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2230 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 88 HP | 70 HP |
| Engine RPM | 4600 RPM | 4500 RPM |
| Torque | 157 Nm | 153 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1350 kg | 1400 kg |
| Vehicle Length | 3780 mm | 4540 mm |
| Vehicle Width | 1590 mm | 1680 mm |
| Vehicle Height | 1850 mm | 1620 mm |
| Wheelbase Size | 2210 mm | 2830 mm |
