1984 Daihatsu Rocky vs. 1956 Rover P4
To start off, 1984 Daihatsu Rocky is newer by 28 year(s). Which means there will be less support and parts availability for 1956 Rover P4. In addition, the cost of maintenance, including insurance, on 1956 Rover P4 would be higher. At 2,636 cc (6 cylinders), 1956 Rover P4 is equipped with a bigger engine. In terms of performance, 1956 Rover P4 (108 HP @ 4250 RPM) has 21 more horse power than 1984 Daihatsu Rocky. (87 HP @ 4600 RPM) In normal driving conditions, 1956 Rover P4 should accelerate faster than 1984 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1956 Rover P4 weights approximately 98 kg more than 1984 Daihatsu Rocky. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1984 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1956 Rover P4. 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, 1956 Rover P4 (206 Nm @ 2500 RPM) has 49 more torque (in Nm) than 1984 Daihatsu Rocky. (157 Nm @ 3000 RPM). This means 1956 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Daihatsu Rocky.
Compare all specifications:
| 1984 Daihatsu Rocky | 1956 Rover P4 | |
| Make | Daihatsu | Rover |
| Model | Rocky | P4 |
| Year Released | 1984 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2636 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 108 HP |
| Engine RPM | 4600 RPM | 4250 RPM |
| Torque | 157 Nm | 206 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Drive Type | 4WD | Rear |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1350 kg | 1448 kg |
| Vehicle Length | 3780 mm | 4530 mm |
| Vehicle Width | 1590 mm | 1670 mm |
| Vehicle Height | 1850 mm | 1320 mm |
| Wheelbase Size | 2210 mm | 2830 mm |
