1950 Allard J2 vs. 1952 Rover P4
To start off, 1952 Rover P4 is newer by 2 year(s). Which means there will be less support and parts availability for 1950 Allard J2. In addition, the cost of maintenance, including insurance, on 1950 Allard J2 would be higher. At 5,416 cc (8 cylinders), 1950 Allard J2 is equipped with a bigger engine. In terms of performance, 1950 Allard J2 (158 HP @ 3800 RPM) has 83 more horse power than 1952 Rover P4. (75 HP @ 4200 RPM). In normal driving conditions, 1950 Allard J2 should accelerate faster than 1952 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1952 Rover P4 weights approximately 406 kg more than 1950 Allard J2.
Compare all specifications:
| 1950 Allard J2 | 1952 Rover P4 | |
| Make | Allard | Rover |
| Model | J2 | P4 |
| Year Released | 1950 | 1952 |
| Engine Position | Front | Front |
| Engine Size | 5416 cc | 2101 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 158 HP | 75 HP |
| Engine RPM | 3800 RPM | 4200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 984 kg | 1390 kg |
| Vehicle Length | 3780 mm | 4590 mm |
| Vehicle Width | 1730 mm | 1670 mm |
| Vehicle Height | 1300 mm | 1630 mm |
| Wheelbase Size | 2550 mm | 2830 mm |
| Fuel Tank Capacity | 38 L | 52 L |
