1951 Allard J2 vs. 1974 Cadillac Calais
To start off, 1974 Cadillac Calais is newer by 23 year(s). Which means there will be less support and parts availability for 1951 Allard J2. In addition, the cost of maintenance, including insurance, on 1951 Allard J2 would be higher. At 7,734 cc (8 cylinders), 1974 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1974 Cadillac Calais (193 HP @ 4400 RPM) has 35 more horse power than 1951 Allard J2. (158 HP @ 3800 RPM) In normal driving conditions, 1974 Cadillac Calais should accelerate faster than 1951 Allard J2. With that said, vehicle weight also plays an important factor in acceleration. 1974 Cadillac Calais weights approximately 1280 kg more than 1951 Allard J2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1951 Allard J2 | 1974 Cadillac Calais | |
| Make | Allard | Cadillac |
| Model | J2 | Calais |
| Year Released | 1951 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 5415 cc | 7734 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 158 HP | 193 HP |
| Engine RPM | 3800 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 980 kg | 2260 kg |
| Vehicle Length | 3780 mm | 5880 mm |
| Vehicle Width | 1730 mm | 2030 mm |
| Wheelbase Size | 2550 mm | 3310 mm |
