2005 Jaguar XK vs. 2007 Jaguar XJ
To start off, 2007 Jaguar XJ is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Jaguar XK. In addition, the cost of maintenance, including insurance, on 2005 Jaguar XK would be higher. At 4,196 cc (8 cylinders), 2007 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2005 Jaguar XK (390 HP @ 6150 RPM) has 90 more horse power than 2007 Jaguar XJ. (300 HP @ 6000 RPM). In normal driving conditions, 2005 Jaguar XK should accelerate faster than 2007 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jaguar XK weights approximately 174 kg more than 2007 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, 2005 Jaguar XK (541 Nm) has 121 more torque (in Nm) than 2007 Jaguar XJ. (420 Nm). This means 2005 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 2007 Jaguar XJ.
Compare all specifications:
| 2005 Jaguar XK | 2007 Jaguar XJ | |
| Make | Jaguar | Jaguar |
| Model | XK | XJ |
| Year Released | 2005 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 4196 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 390 HP | 300 HP |
| Engine RPM | 6150 RPM | 6000 RPM |
| Torque | 541 Nm | 420 Nm |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 90 mm | 90.3 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1833 kg | 1659 kg |
| Vehicle Length | 4780 mm | 5220 mm |
| Vehicle Width | 1800 mm | 1950 mm |
| Vehicle Height | 1290 mm | 1460 mm |
| Wheelbase Size | 2590 mm | 3170 mm |
| Fuel Consumption Highway | 10.2 L/100km | 8.9 L/100km |
| Fuel Consumption City | 14.7 L/100km | 13.2 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 75 L | 85 L |
