1954 Allard J2 vs. 1974 Mercury Comet
To start off, 1974 Mercury Comet is newer by 20 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 5,416 cc (8 cylinders), 1954 Allard J2 is equipped with a bigger engine. In terms of performance, 1954 Allard J2 (158 HP @ 3800 RPM) has 75 more horse power than 1974 Mercury Comet. (83 HP @ 3800 RPM). In normal driving conditions, 1954 Allard J2 should accelerate faster than 1974 Mercury Comet. With that said, vehicle weight also plays an important factor in acceleration. 1974 Mercury Comet weights approximately 240 kg more than 1954 Allard J2.
Compare all specifications:
| 1954 Allard J2 | 1974 Mercury Comet | |
| Make | Allard | Mercury |
| Model | J2 | Comet |
| Year Released | 1954 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 5416 cc | 3272 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 158 HP | 83 HP |
| Engine RPM | 3800 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 980 kg | 1220 kg |
| Vehicle Length | 3780 mm | 4620 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1300 mm | 1350 mm |
| Wheelbase Size | 2550 mm | 2630 mm |
