1985 Daihatsu Rocky vs. 1954 Rover P4
To start off, 1985 Daihatsu Rocky is newer by 31 year(s). Which means there will be less support and parts availability for 1954 Rover P4. In addition, the cost of maintenance, including insurance, on 1954 Rover P4 would be higher. At 1,998 cc (4 cylinders), 1985 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1985 Daihatsu Rocky (87 HP @ 4600 RPM) has 36 more horse power than 1954 Rover P4. (51 HP @ 4000 RPM). In normal driving conditions, 1985 Daihatsu Rocky should accelerate faster than 1954 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1954 Rover P4 weights approximately 30 kg more than 1985 Daihatsu Rocky.
Because 1985 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1954 Rover P4. In wet, icy, snow, or gravel driving conditions, 1985 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, 1985 Daihatsu Rocky (157 Nm @ 3000 RPM) has 19 more torque (in Nm) than 1954 Rover P4. (138 Nm @ 2000 RPM). This means 1985 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1954 Rover P4.
Compare all specifications:
| 1985 Daihatsu Rocky | 1954 Rover P4 | |
| Make | Daihatsu | Rover |
| Model | Rocky | P4 |
| Year Released | 1985 | 1954 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 51 HP |
| Engine RPM | 4600 RPM | 4000 RPM |
| Torque | 157 Nm | 138 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1350 kg | 1380 kg |
| Vehicle Length | 3780 mm | 4550 mm |
| Vehicle Width | 1590 mm | 1680 mm |
| Vehicle Height | 1850 mm | 1620 mm |
| Wheelbase Size | 2210 mm | 2830 mm |
