2005 Jaguar XJ vs. 2006 Jaguar XK8
To start off, 2006 Jaguar XK8 is newer by 1 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), 2006 Jaguar XK8 is equipped with a bigger engine. In terms of performance, 2005 Jaguar XJ (390 HP @ 6150 RPM) has 96 more horse power than 2006 Jaguar XK8. (294 HP @ 6000 RPM). In normal driving conditions, 2005 Jaguar XJ should accelerate faster than 2006 Jaguar XK8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jaguar XK8 weights approximately 1 kg more than 2005 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, 2005 Jaguar XJ (541 Nm @ 3500 RPM) has 130 more torque (in Nm) than 2006 Jaguar XK8. (411 Nm @ 4000 RPM). This means 2005 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2006 Jaguar XK8.
Compare all specifications:
| 2005 Jaguar XJ | 2006 Jaguar XK8 | |
| Make | Jaguar | Jaguar |
| Model | XJ | XK8 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Coupe |
| 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 | 294 HP |
| Engine RPM | 6150 RPM | 6000 RPM |
| Torque | 541 Nm | 411 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 90 mm | 90.3 mm |
| Engine Compression Ratio | 9.1:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.3 seconds | 6.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1734 kg | 1735 kg |
| Vehicle Length | 5100 mm | 4770 mm |
| Vehicle Width | 1870 mm | 1840 mm |
| Vehicle Height | 1450 mm | 1300 mm |
| Wheelbase Size | 3170 mm | 2590 mm |
| Fuel Consumption Highway | 10 L/100km | 9.1 L/100km |
| Fuel Consumption City | 14 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 12.7 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 84 L | 75 L |
