1954 Allard J2 vs. 1992 Jaguar XJR-15
To start off, 1992 Jaguar XJR-15 is newer by 38 year(s). Which means there will be less support and parts availability for 1954 Allard J2. In addition, the cost of maintenance, including insurance, on 1954 Allard J2 would be higher. At 5,993 cc (12 cylinders), 1992 Jaguar XJR-15 is equipped with a bigger engine. In terms of performance, 1992 Jaguar XJR-15 (450 HP @ 6250 RPM) has 292 more horse power than 1954 Allard J2. (158 HP @ 3800 RPM) In normal driving conditions, 1992 Jaguar XJR-15 should accelerate faster than 1954 Allard J2. With that said, vehicle weight also plays an important factor in acceleration. 1992 Jaguar XJR-15 weights approximately 70 kg more than 1954 Allard J2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1954 Allard J2 | 1992 Jaguar XJR-15 | |
| Make | Allard | Jaguar |
| Model | J2 | XJR-15 |
| Year Released | 1954 | 1992 |
| Engine Position | Front | Middle |
| Engine Size | 5416 cc | 5993 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 158 HP | 450 HP |
| Engine RPM | 3800 RPM | 6250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 1 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 980 kg | 1050 kg |
| Vehicle Length | 3780 mm | 4810 mm |
| Vehicle Width | 1730 mm | 1910 mm |
| Vehicle Height | 1300 mm | 1110 mm |
| Wheelbase Size | 2550 mm | 2870 mm |
| Fuel Tank Capacity | 38 L | 90 L |
