2009 Jaguar XF vs. 2005 Jaguar XJ
To start off, 2009 Jaguar XF is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Jaguar XJ. In addition, the cost of maintenance, including insurance, on 2005 Jaguar XJ would be higher. At 4,196 cc (8 cylinders), 2009 Jaguar XF is equipped with a bigger engine. In terms of performance, 2009 Jaguar XF (410 HP @ 6250 RPM) has 116 more horse power than 2005 Jaguar XJ. (294 HP @ 6100 RPM). In normal driving conditions, 2009 Jaguar XF should accelerate faster than 2005 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jaguar XF weights approximately 108 kg more than 2005 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, 2009 Jaguar XF (560 Nm) has 149 more torque (in Nm) than 2005 Jaguar XJ. (411 Nm). This means 2009 Jaguar XF will have an easier job in driving up hills or pulling heavy equipment than 2005 Jaguar XJ.
Compare all specifications:
| 2009 Jaguar XF | 2005 Jaguar XJ | |
| Make | Jaguar | Jaguar |
| Model | XF | XJ |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 4195 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 410 HP | 294 HP |
| Engine RPM | 6250 RPM | 6100 RPM |
| Torque | 560 Nm | 411 Nm |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 90.3 mm | 90 mm |
| Engine Compression Ratio | 9.1:1 | 11.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1848 kg | 1740 kg |
| Vehicle Length | 4970 mm | 5100 mm |
| Vehicle Width | 1880 mm | 1950 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2920 mm | 3040 mm |
| Fuel Consumption Overall | 12.6 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 69 L | 85 L |
