1951 Alfa Romeo 6C vs. 1947 Allard J1
To start off, 1951 Alfa Romeo 6C is newer by 4 year(s). Which means there will be less support and parts availability for 1947 Allard J1. In addition, the cost of maintenance, including insurance, on 1947 Allard J1 would be higher. At 3,620 cc (8 cylinders), 1947 Allard J1 is equipped with a bigger engine. In terms of performance, 1951 Alfa Romeo 6C (104 HP @ 4800 RPM) has 19 more horse power than 1947 Allard J1. (85 HP @ 3800 RPM). In normal driving conditions, 1951 Alfa Romeo 6C should accelerate faster than 1947 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 1951 Alfa Romeo 6C weights approximately 380 kg more than 1947 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.
Compare all specifications:
| 1951 Alfa Romeo 6C | 1947 Allard J1 | |
| Make | Alfa Romeo | Allard |
| Model | 6C | J1 |
| Year Released | 1951 | 1947 |
| Engine Position | Front | Front |
| Engine Size | 2443 cc | 3620 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 104 HP | 85 HP |
| Engine RPM | 4800 RPM | 3800 RPM |
| Engine Bore Size | 72 mm | 77.8 mm |
| Engine Stroke Size | 100 mm | 95.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1400 kg | 1020 kg |
| Vehicle Length | 4690 mm | 3690 mm |
| Vehicle Width | 1910 mm | 1480 mm |
| Vehicle Height | 1510 mm | 1510 mm |
| Wheelbase Size | 2710 mm | 2440 mm |
