1950 Jeep CJ3A vs. 1955 Rover P4
To start off, 1955 Rover P4 is newer by 5 year(s). Which means there will be less support and parts availability for 1950 Jeep CJ3A. In addition, the cost of maintenance, including insurance, on 1950 Jeep CJ3A would be higher. At 2,638 cc (6 cylinders), 1955 Rover P4 is equipped with a bigger engine. In terms of performance, 1955 Rover P4 (79 HP @ 4500 RPM) has 20 more horse power than 1950 Jeep CJ3A. (59 HP @ 3600 RPM) In normal driving conditions, 1955 Rover P4 should accelerate faster than 1950 Jeep CJ3A. With that said, vehicle weight also plays an important factor in acceleration. 1955 Rover P4 weights approximately 290 kg more than 1950 Jeep CJ3A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1950 Jeep CJ3A 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, 1950 Jeep CJ3A 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, 1955 Rover P4 (188 Nm @ 1750 RPM) has 43 more torque (in Nm) than 1950 Jeep CJ3A. (145 Nm @ 3600 RPM). This means 1955 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1950 Jeep CJ3A.
Compare all specifications:
| 1950 Jeep CJ3A | 1955 Rover P4 | |
| Make | Jeep | Rover |
| Model | CJ3A | P4 |
| Year Released | 1950 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 2199 cc | 2638 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 59 HP | 79 HP |
| Engine RPM | 3600 RPM | 4500 RPM |
| Torque | 145 Nm | 188 Nm |
| Torque RPM | 3600 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1110 kg | 1400 kg |
| Vehicle Length | 3130 mm | 4550 mm |
| Vehicle Width | 1460 mm | 1680 mm |
| Vehicle Height | 1630 mm | 1630 mm |
| Wheelbase Size | 2040 mm | 2830 mm |
