1950 Allard J2 vs. 1973 Matra-Simca M670
To start off, 1973 Matra-Simca M670 is newer by 23 year(s). Which means there will be less support and parts availability for 1950 Allard J2. In addition, the cost of maintenance, including insurance, on 1950 Allard J2 would be higher. At 5,416 cc (8 cylinders), 1950 Allard J2 is equipped with a bigger engine. In terms of performance, 1973 Matra-Simca M670 (445 HP @ 11000 RPM) has 287 more horse power than 1950 Allard J2. (158 HP @ 3800 RPM) In normal driving conditions, 1973 Matra-Simca M670 should accelerate faster than 1950 Allard J2. With that said, vehicle weight also plays an important factor in acceleration. 1950 Allard J2 weights approximately 304 kg more than 1973 Matra-Simca M670.
Compare all specifications:
| 1950 Allard J2 | 1973 Matra-Simca M670 | |
| Make | Allard | Matra-Simca |
| Model | J2 | M670 |
| Year Released | 1950 | 1973 |
| Engine Size | 5416 cc | 2999 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 445 HP |
| Engine RPM | 3800 RPM | 11000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 984 kg | 680 kg |
| Vehicle Length | 3780 mm | 4010 mm |
| Vehicle Width | 1730 mm | 1910 mm |
| Wheelbase Size | 2550 mm | 2570 mm |
