1949 Allard J1 vs. 1978 Seat 131
To start off, 1978 Seat 131 is newer by 29 year(s). Which means there will be less support and parts availability for 1949 Allard J1. In addition, the cost of maintenance, including insurance, on 1949 Allard J1 would be higher. At 3,917 cc (8 cylinders), 1949 Allard J1 is equipped with a bigger engine. In terms of performance, 1949 Allard J1 (100 HP) has 47 more horse power than 1978 Seat 131. (53 HP). In normal driving conditions, 1949 Allard J1 should accelerate faster than 1978 Seat 131. With that said, vehicle weight also plays an important factor in acceleration. 1949 Allard J1 weights approximately 175 kg more than 1978 Seat 131. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1949 Allard J1 (306 Nm @ 2500 RPM) has 212 more torque (in Nm) than 1978 Seat 131. (94 Nm @ 2700 RPM). This means 1949 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 1978 Seat 131.
Compare all specifications:
| 1949 Allard J1 | 1978 Seat 131 | |
| Make | Allard | Seat |
| Model | J1 | 131 |
| Year Released | 1949 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 3917 cc | 1297 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 53 HP |
| Torque | 306 Nm | 94 Nm |
| Torque RPM | 2500 RPM | 2700 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1140 kg | 965 kg |
| Vehicle Length | 3690 mm | 4270 mm |
| Vehicle Width | 1480 mm | 1660 mm |
| Vehicle Height | 1510 mm | 1370 mm |
| Wheelbase Size | 2440 mm | 2500 mm |
