1954 Allard J2 vs. 1966 Mercury Comet
To start off, 1966 Mercury Comet is newer by 12 year(s). Which means there will be less support and parts availability for 1954 Allard J2. In addition, the cost of maintenance, including insurance, on 1954 Allard J2 would be higher. At 6,393 cc (8 cylinders), 1966 Mercury Comet is equipped with a bigger engine. In terms of performance, 1966 Mercury Comet (268 HP @ 4400 RPM) has 110 more horse power than 1954 Allard J2. (158 HP @ 3800 RPM) In normal driving conditions, 1966 Mercury Comet should accelerate faster than 1954 Allard J2. With that said, vehicle weight also plays an important factor in acceleration. 1966 Mercury Comet weights approximately 795 kg more than 1954 Allard J2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1954 Allard J2 | 1966 Mercury Comet | |
| Make | Allard | Mercury |
| Model | J2 | Comet |
| Year Released | 1954 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 5416 cc | 6393 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 158 HP | 268 HP |
| Engine RPM | 3800 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 980 kg | 1775 kg |
| Vehicle Length | 3780 mm | 5180 mm |
| Vehicle Width | 1730 mm | 1880 mm |
| Vehicle Height | 1300 mm | 1380 mm |
| Wheelbase Size | 2550 mm | 2950 mm |
