1984 Daihatsu Rocky vs. 1951 Rover P4
To start off, 1984 Daihatsu Rocky is newer by 33 year(s). Which means there will be less support and parts availability for 1951 Rover P4. In addition, the cost of maintenance, including insurance, on 1951 Rover P4 would be higher. At 2,103 cc (6 cylinders), 1951 Rover P4 is equipped with a bigger engine. In terms of performance, 1984 Daihatsu Rocky (87 HP @ 4600 RPM) has 12 more horse power than 1951 Rover P4. (75 HP @ 4200 RPM). In normal driving conditions, 1984 Daihatsu Rocky should accelerate faster than 1951 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1951 Rover P4 weights approximately 40 kg more than 1984 Daihatsu Rocky.
Because 1984 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1951 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, 1984 Daihatsu Rocky (157 Nm @ 3000 RPM) has 7 more torque (in Nm) than 1951 Rover P4. (150 Nm @ 2500 RPM). This means 1984 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1951 Rover P4.
Compare all specifications:
| 1984 Daihatsu Rocky | 1951 Rover P4 | |
| Make | Daihatsu | Rover |
| Model | Rocky | P4 |
| Year Released | 1984 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2103 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 75 HP |
| Engine RPM | 4600 RPM | 4200 RPM |
| Torque | 157 Nm | 150 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1350 kg | 1390 kg |
| Vehicle Length | 3780 mm | 4590 mm |
| Vehicle Width | 1590 mm | 1670 mm |
| Vehicle Height | 1850 mm | 1620 mm |
| Wheelbase Size | 2210 mm | 2830 mm |
