1956 Jeep CJ5 vs. 1957 Rover P4
To start off, 1957 Rover P4 is newer by 1 year(s). Which means there will be less support and parts availability for 1956 Jeep CJ5. In addition, the cost of maintenance, including insurance, on 1956 Jeep CJ5 would be higher. At 3,153 cc (4 cylinders), 1956 Jeep CJ5 is equipped with a bigger engine. In terms of performance, 1957 Rover P4 (93 HP @ 4250 RPM) has 31 more horse power than 1956 Jeep CJ5. (62 HP @ 3000 RPM) In normal driving conditions, 1957 Rover P4 should accelerate faster than 1956 Jeep CJ5. With that said, vehicle weight also plays an important factor in acceleration. 1957 Rover P4 weights approximately 250 kg more than 1956 Jeep CJ5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1956 Jeep CJ5 is four wheel drive (4WD), it will have significant more traction and grip than 1957 Rover P4. In wet, icy, snow, or gravel driving conditions, 1956 Jeep CJ5 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, 1957 Rover P4 (206 Nm @ 2500 RPM) has 27 more torque (in Nm) than 1956 Jeep CJ5. (179 Nm @ 1350 RPM). This means 1957 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1956 Jeep CJ5. 1957 Rover P4 has automatic transmission and 1956 Jeep CJ5 has manual transmission. 1956 Jeep CJ5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1957 Rover P4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 Jeep CJ5 | 1957 Rover P4 | |
| Make | Jeep | Rover |
| Model | CJ5 | P4 |
| Year Released | 1956 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 3153 cc | 2636 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 62 HP | 93 HP |
| Engine RPM | 3000 RPM | 4250 RPM |
| Torque | 179 Nm | 206 Nm |
| Torque RPM | 1350 RPM | 2500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1180 kg | 1430 kg |
| Vehicle Length | 3520 mm | 4550 mm |
| Vehicle Width | 1550 mm | 1680 mm |
| Vehicle Height | 1740 mm | 1620 mm |
| Wheelbase Size | 2060 mm | 2830 mm |
