1946 Allard J1 vs. 1956 BMW 503
To start off, 1956 BMW 503 is newer by 10 year(s). Which means there will be less support and parts availability for 1946 Allard J1. In addition, the cost of maintenance, including insurance, on 1946 Allard J1 would be higher. At 3,622 cc (8 cylinders), 1946 Allard J1 is equipped with a bigger engine. In terms of performance, 1956 BMW 503 (138 HP @ 4800 RPM) has 53 more horse power than 1946 Allard J1. (85 HP @ 3800 RPM) In normal driving conditions, 1956 BMW 503 should accelerate faster than 1946 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 1956 BMW 503 weights approximately 480 kg more than 1946 Allard J1. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 BMW 503 (222 Nm @ 2500 RPM) has 19 more torque (in Nm) than 1946 Allard J1. (203 Nm @ 1500 RPM). This means 1956 BMW 503 will have an easier job in driving up hills or pulling heavy equipment than 1946 Allard J1.
Compare all specifications:
| 1946 Allard J1 | 1956 BMW 503 | |
| Make | Allard | BMW |
| Model | J1 | 503 |
| Year Released | 1946 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 3622 cc | 3168 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 85 HP | 138 HP |
| Engine RPM | 3800 RPM | 4800 RPM |
| Torque | 203 Nm | 222 Nm |
| Torque RPM | 1500 RPM | 2500 RPM |
| Engine Compression Ratio | 7.5:1 | 7.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 132 km/hour | 190 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1020 kg | 1500 kg |
| Vehicle Length | 3690 mm | 4760 mm |
| Vehicle Width | 1480 mm | 1710 mm |
| Vehicle Height | 1510 mm | 1400 mm |
| Wheelbase Size | 2440 mm | 2840 mm |
