1951 Allard J2 vs. 1974 Citroen GS
To start off, 1974 Citroen GS 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 5,415 cc (8 cylinders), 1951 Allard J2 is equipped with a bigger engine. In terms of performance, 1951 Allard J2 (158 HP @ 3800 RPM) has 99 more horse power than 1974 Citroen GS. (59 HP @ 5750 RPM). In normal driving conditions, 1951 Allard J2 should accelerate faster than 1974 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 1951 Allard J2 weights approximately 106 kg more than 1974 Citroen GS. 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 Citroen GS | |
| Make | Allard | Citroen |
| Model | J2 | GS |
| Year Released | 1951 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 5415 cc | 1220 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 158 HP | 59 HP |
| Engine RPM | 3800 RPM | 5750 RPM |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 980 kg | 874 kg |
| Vehicle Length | 3780 mm | 3820 mm |
| Vehicle Width | 1730 mm | 1610 mm |
| Wheelbase Size | 2550 mm | 2560 mm |
