1999 Jaguar XJ vs. 1949 Jaguar Mark IV
To start off, 1999 Jaguar XJ is newer by 50 year(s). Which means there will be less support and parts availability for 1949 Jaguar Mark IV. In addition, the cost of maintenance, including insurance, on 1949 Jaguar Mark IV would be higher. At 3,996 cc (8 cylinders), 1999 Jaguar XJ is equipped with a bigger engine. In terms of performance, 1999 Jaguar XJ (290 HP @ 6100 RPM) has 167 more horse power than 1949 Jaguar Mark IV. (123 HP @ 4250 RPM). In normal driving conditions, 1999 Jaguar XJ should accelerate faster than 1949 Jaguar Mark IV. With that said, vehicle weight also plays an important factor in acceleration. 1949 Jaguar Mark IV weights approximately 80 kg more than 1999 Jaguar XJ.
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, 1999 Jaguar XJ (393 Nm @ 4250 RPM) has 143 more torque (in Nm) than 1949 Jaguar Mark IV. (250 Nm @ 2000 RPM). This means 1999 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1949 Jaguar Mark IV. 1999 Jaguar XJ has automatic transmission and 1949 Jaguar Mark IV has manual transmission. 1949 Jaguar Mark IV will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Jaguar XJ | 1949 Jaguar Mark IV | |
| Make | Jaguar | Jaguar |
| Model | XJ | Mark IV |
| Year Released | 1999 | 1949 |
| Engine Position | Front | Front |
| Engine Size | 3996 cc | 3483 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 290 HP | 123 HP |
| Engine RPM | 6100 RPM | 4250 RPM |
| Torque | 393 Nm | 250 Nm |
| Torque RPM | 4250 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1710 kg | 1790 kg |
| Vehicle Length | 5160 mm | 4730 mm |
| Vehicle Width | 1800 mm | 1680 mm |
| Wheelbase Size | 2880 mm | 3060 mm |
