1949 Allard J1 vs. 1991 Jaguar XJS
To start off, 1991 Jaguar XJS is newer by 42 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 5,342 cc (12 cylinders), 1991 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJS (291 HP @ 5500 RPM) has 191 more horse power than 1949 Allard J1. (100 HP @ 3800 RPM) In normal driving conditions, 1991 Jaguar XJS should accelerate faster than 1949 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 790 kg more than 1949 Allard J1. 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, 1991 Jaguar XJS (440 Nm @ 3250 RPM) has 134 more torque (in Nm) than 1949 Allard J1. (306 Nm @ 2500 RPM). This means 1991 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1949 Allard J1.
Compare all specifications:
| 1949 Allard J1 | 1991 Jaguar XJS | |
| Make | Allard | Jaguar |
| Model | J1 | XJS |
| Year Released | 1949 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3917 cc | 5342 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 100 HP | 291 HP |
| Engine RPM | 3800 RPM | 5500 RPM |
| Torque | 306 Nm | 440 Nm |
| Torque RPM | 2500 RPM | 3250 RPM |
| Engine Bore Size | 81 mm | 90 mm |
| Engine Stroke Size | 95.3 mm | 70 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1140 kg | 1930 kg |
| Vehicle Length | 3690 mm | 4770 mm |
| Vehicle Width | 1480 mm | 1800 mm |
| Vehicle Height | 1510 mm | 1260 mm |
| Wheelbase Size | 2440 mm | 2600 mm |
| Fuel Tank Capacity | 90 L | 82 L |
