1953 Allard J2 vs. 1951 Bristol 450
To start off, 1953 Allard J2 is newer by 2 year(s). Which means there will be less support and parts availability for 1951 Bristol 450. In addition, the cost of maintenance, including insurance, on 1951 Bristol 450 would be higher. At 5,416 cc (8 cylinders), 1953 Allard J2 is equipped with a bigger engine. In terms of performance, 1953 Allard J2 (158 HP @ 3800 RPM) has 5 more horse power than 1951 Bristol 450. (153 HP @ 5500 RPM). In normal driving conditions, 1953 Allard J2 should accelerate faster than 1951 Bristol 450. With that said, vehicle weight also plays an important factor in acceleration. 1953 Allard J2 weights approximately 250 kg more than 1951 Bristol 450. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1953 Allard J2 | 1951 Bristol 450 | |
| Make | Allard | Bristol |
| Model | J2 | 450 |
| Year Released | 1953 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 5416 cc | 1971 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 158 HP | 153 HP |
| Engine RPM | 3800 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Weight | 980 kg | 730 kg |
| Vehicle Length | 3780 mm | 4480 mm |
| Vehicle Width | 1730 mm | 1660 mm |
| Vehicle Height | 1300 mm | 1530 mm |
| Wheelbase Size | 2550 mm | 2480 mm |
| Fuel Tank Capacity | 38 L | 54 L |
