2006 Jaguar XK vs. 2008 Jaguar XJ
To start off, 2008 Jaguar XJ is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Jaguar XK. In addition, the cost of maintenance, including insurance, on 2006 Jaguar XK would be higher. At 4,196 cc (8 cylinders), 2006 Jaguar XK is equipped with a bigger engine. In terms of performance, 2008 Jaguar XJ (400 HP @ 6100 RPM) has 106 more horse power than 2006 Jaguar XK. (294 HP @ 6000 RPM) In normal driving conditions, 2008 Jaguar XJ should accelerate faster than 2006 Jaguar XK. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jaguar XK weights approximately 183 kg more than 2008 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, 2008 Jaguar XJ (553 Nm @ 4100 RPM) has 142 more torque (in Nm) than 2006 Jaguar XK. (411 Nm @ 4100 RPM). This means 2008 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2006 Jaguar XK.
Compare all specifications:
| 2006 Jaguar XK | 2008 Jaguar XJ | |
| Make | Jaguar | Jaguar |
| Model | XK | XJ |
| Year Released | 2006 | 2008 |
| Body Type | Coupe | 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 | 294 HP | 400 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 411 Nm | 553 Nm |
| Torque RPM | 4100 RPM | 4100 RPM |
| Engine Bore Size | 86.1 mm | 86 mm |
| Engine Stroke Size | 90.4 mm | 90.3 mm |
| Engine Compression Ratio | 11.0:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 249 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 5.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1848 kg | 1665 kg |
| Vehicle Length | 4780 mm | 5100 mm |
| Vehicle Width | 2080 mm | 1450 mm |
| Wheelbase Size | 2590 mm | 3040 mm |
| Fuel Consumption Overall | 11 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 75 L | 85 L |
