2007 Jaguar XK8 vs. 2009 Jaguar XJ
To start off, 2009 Jaguar XJ is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Jaguar XK8. In addition, the cost of maintenance, including insurance, on 2007 Jaguar XK8 would be higher. At 4,196 cc (8 cylinders), 2007 Jaguar XK8 is equipped with a bigger engine. In terms of performance, 2009 Jaguar XJ (391 HP @ 6100 RPM) has 90 more horse power than 2007 Jaguar XK8. (301 HP @ 6000 RPM) In normal driving conditions, 2009 Jaguar XJ should accelerate faster than 2007 Jaguar XK8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jaguar XJ weights approximately 70 kg more than 2007 Jaguar XK8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Jaguar XK8 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Jaguar XK8. However, in wet, icy, snow, or gravel driving conditions, 2009 Jaguar XJ, being front wheel drive (FWD), will offer much better control with better grip. 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 XJ (541 Nm @ 4100 RPM) has 121 more torque (in Nm) than 2007 Jaguar XK8. (420 Nm @ 4100 RPM). This means 2009 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2007 Jaguar XK8.
Compare all specifications:
| 2007 Jaguar XK8 | 2009 Jaguar XJ | |
| Make | Jaguar | Jaguar |
| Model | XK8 | XJ |
| Year Released | 2007 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 4194 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 391 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 420 Nm | 541 Nm |
| Torque RPM | 4100 RPM | 4100 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 90.3 mm | 90.3 mm |
| Engine Compression Ratio | 11.0:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 5.3 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1595 kg | 1665 kg |
| Vehicle Length | 4730 mm | 5100 mm |
| Vehicle Width | 1330 mm | 1450 mm |
| Wheelbase Size | 2760 mm | 3040 mm |
| Fuel Consumption Overall | 11.3 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 71 L | 85 L |
