1951 Allard J1 vs. 1978 Peugeot 504
To start off, 1978 Peugeot 504 is newer by 27 year(s). Which means there will be less support and parts availability for 1951 Allard J1. In addition, the cost of maintenance, including insurance, on 1951 Allard J1 would be higher. At 3,917 cc (8 cylinders), 1951 Allard J1 is equipped with a bigger engine. In terms of performance, 1951 Allard J1 (100 HP @ 3800 RPM) has 9 more horse power than 1978 Peugeot 504. (91 HP @ 5200 RPM). In normal driving conditions, 1951 Allard J1 should accelerate faster than 1978 Peugeot 504. With that said, vehicle weight also plays an important factor in acceleration. 1978 Peugeot 504 weights approximately 184 kg more than 1951 Allard J1.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1951 Allard J1 (305 Nm @ 2500 RPM) has 145 more torque (in Nm) than 1978 Peugeot 504. (160 Nm @ 3000 RPM). This means 1951 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 1978 Peugeot 504.
Compare all specifications:
| 1951 Allard J1 | 1978 Peugeot 504 | |
| Make | Allard | Peugeot |
| Model | J1 | 504 |
| Year Released | 1951 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 3917 cc | 1971 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 91 HP |
| Engine RPM | 3800 RPM | 5200 RPM |
| Torque | 305 Nm | 160 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 88 mm |
| Engine Stroke Size | 95.3 mm | 81 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1146 kg | 1330 kg |
| Vehicle Length | 3690 mm | 4810 mm |
| Vehicle Width | 1480 mm | 1700 mm |
| Vehicle Height | 1510 mm | 1560 mm |
| Wheelbase Size | 2440 mm | 2910 mm |
