2004 Jaguar XJ vs. 1963 Riley 4
To start off, 2004 Jaguar XJ is newer by 41 year(s). Which means there will be less support and parts availability for 1963 Riley 4. In addition, the cost of maintenance, including insurance, on 1963 Riley 4 would be higher. At 2,968 cc (6 cylinders), 2004 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2004 Jaguar XJ (240 HP) has 173 more horse power than 1963 Riley 4. (67 HP). In normal driving conditions, 2004 Jaguar XJ should accelerate faster than 1963 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Jaguar XJ weights approximately 397 kg more than 1963 Riley 4. 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, 2004 Jaguar XJ (279 Nm @ 4100 RPM) has 158 more torque (in Nm) than 1963 Riley 4. (121 Nm @ 2500 RPM). This means 2004 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1963 Riley 4.
Compare all specifications:
| 2004 Jaguar XJ | 1963 Riley 4 | |
| Make | Jaguar | Riley |
| Model | XJ | 4 |
| Year Released | 2004 | 1963 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2968 cc | 1622 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 240 HP | 67 HP |
| Torque | 279 Nm | 121 Nm |
| Torque RPM | 4100 RPM | 2500 RPM |
| Engine Bore Size | 89 mm | 76.2 mm |
| Engine Stroke Size | 79.5 mm | 88.9 mm |
| Engine Compression Ratio | 11.0:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1545 kg | 1148 kg |
| Vehicle Length | 5100 mm | 4540 mm |
| Vehicle Width | 1870 mm | 1620 mm |
| Vehicle Height | 1450 mm | 1510 mm |
| Wheelbase Size | 3040 mm | 2530 mm |
| Fuel Tank Capacity | 85 L | 45 L |
