1951 Austin A 40 vs. 1956 Jeep CJ5
To start off, 1956 Jeep CJ5 is newer by 5 year(s). Which means there will be less support and parts availability for 1951 Austin A 40. In addition, the cost of maintenance, including insurance, on 1951 Austin A 40 would be higher. At 3,687 cc (6 cylinders), 1956 Jeep CJ5 is equipped with a bigger engine. In terms of performance, 1956 Jeep CJ5 (135 HP @ 4200 RPM) has 97 more horse power than 1951 Austin A 40. (38 HP @ 4300 RPM) In normal driving conditions, 1956 Jeep CJ5 should accelerate faster than 1951 Austin A 40. With that said, vehicle weight also plays an important factor in acceleration. 1956 Jeep CJ5 weights approximately 210 kg more than 1951 Austin A 40. 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 1951 Austin A 40. 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, 1956 Jeep CJ5 (325 Nm @ 2400 RPM) has 245 more torque (in Nm) than 1951 Austin A 40. (80 Nm @ 2300 RPM). This means 1956 Jeep CJ5 will have an easier job in driving up hills or pulling heavy equipment than 1951 Austin A 40.
Compare all specifications:
| 1951 Austin A 40 | 1956 Jeep CJ5 | |
| Make | Austin | Jeep |
| Model | A 40 | CJ5 |
| Year Released | 1951 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 1200 cc | 3687 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 38 HP | 135 HP |
| Engine RPM | 4300 RPM | 4200 RPM |
| Torque | 80 Nm | 325 Nm |
| Torque RPM | 2300 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 970 kg | 1180 kg |
| Vehicle Length | 3890 mm | 3520 mm |
| Vehicle Width | 1560 mm | 1550 mm |
| Vehicle Height | 1620 mm | 1740 mm |
| Wheelbase Size | 2360 mm | 2060 mm |
