2008 Jaguar XK vs. 2005 Jaguar XJ
To start off, 2008 Jaguar XK is newer by 3 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), 2008 Jaguar XK is equipped with a bigger engine. In terms of performance, 2005 Jaguar XJ (390 HP @ 6150 RPM) has 89 more horse power than 2008 Jaguar XK. (301 HP @ 6000 RPM) In normal driving conditions, 2005 Jaguar XJ should accelerate faster than 2008 Jaguar XK. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jaguar XJ weights approximately 24 kg more than 2008 Jaguar XK. 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, 2005 Jaguar XJ (541 Nm @ 3500 RPM) has 121 more torque (in Nm) than 2008 Jaguar XK. (420 Nm @ 4100 RPM). This means 2005 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2008 Jaguar XK.
Compare all specifications:
| 2008 Jaguar XK | 2005 Jaguar XJ | |
| Make | Jaguar | Jaguar |
| Model | XK | XJ |
| Year Released | 2008 | 2005 |
| Body Type | Convertible | 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 | 301 HP | 390 HP |
| Engine RPM | 6000 RPM | 6150 RPM |
| Torque | 420 Nm | 541 Nm |
| Torque RPM | 4100 RPM | 3500 RPM |
| Engine Compression Ratio | 11.0:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1710 kg | 1734 kg |
| Vehicle Length | 4800 mm | 5100 mm |
| Vehicle Width | 2080 mm | 1870 mm |
| Vehicle Height | 1330 mm | 1450 mm |
| Wheelbase Size | 2760 mm | 3170 mm |
| Fuel Consumption | 9.4 L/100km | 10 L/100km |
| Fuel Consumption City | 14.7 L/100km | 14 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 12.7 L/100km |
| Fuel Tank Capacity | 71 L | 84 L |
