2003 Jaguar XJ vs. 2012 Jaguar XF
To start off, 2012 Jaguar XF is newer by 9 year(s). Which means there will be less support and parts availability for 2003 Jaguar XJ. In addition, the cost of maintenance, including insurance, on 2003 Jaguar XJ would be higher. At 5,000 cc (8 cylinders), 2012 Jaguar XF is equipped with a bigger engine. In terms of performance, 2012 Jaguar XF (385 HP @ 6500 RPM) has 91 more horse power than 2003 Jaguar XJ. (294 HP @ 6100 RPM) In normal driving conditions, 2012 Jaguar XF should accelerate faster than 2003 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 2012 Jaguar XF weights approximately 230 kg more than 2003 Jaguar XJ. 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, 2012 Jaguar XF (515 Nm @ 3500 RPM) has 104 more torque (in Nm) than 2003 Jaguar XJ. (411 Nm @ 4100 RPM). This means 2012 Jaguar XF will have an easier job in driving up hills or pulling heavy equipment than 2003 Jaguar XJ.
Compare all specifications:
| 2003 Jaguar XJ | 2012 Jaguar XF | |
| Make | Jaguar | Jaguar |
| Model | XJ | XF |
| Year Released | 2003 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 5000 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 294 HP | 385 HP |
| Engine RPM | 6100 RPM | 6500 RPM |
| Torque | 411 Nm | 515 Nm |
| Torque RPM | 4100 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1845 kg |
| Vehicle Length | 5090 mm | 4961 mm |
| Vehicle Width | 1870 mm | 1877 mm |
| Vehicle Height | 1450 mm | 1461 mm |
| Wheelbase Size | 3040 mm | 2908 mm |
| Fuel Tank Capacity | 85 L | 70 L |
