2006 Jaguar XJ vs. 2008 Porsche Cayenne
To start off, 2008 Porsche Cayenne is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Jaguar XJ. In addition, the cost of maintenance, including insurance, on 2006 Jaguar XJ would be higher. At 4,800 cc (8 cylinders), 2008 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2008 Porsche Cayenne (405 HP @ 6500 RPM) has 105 more horse power than 2006 Jaguar XJ. (300 HP @ 6000 RPM) In normal driving conditions, 2008 Porsche Cayenne should accelerate faster than 2006 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche Cayenne weights approximately 541 kg more than 2006 Jaguar XJ. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2006 Jaguar XJ. In wet, icy, snow, or gravel driving conditions, 2008 Porsche Cayenne will offer significantly more control. 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 Porsche Cayenne (678 Nm @ 3500 RPM) has 258 more torque (in Nm) than 2006 Jaguar XJ. (420 Nm @ 4100 RPM). This means 2008 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2006 Jaguar XJ. 2006 Jaguar XJ has automatic transmission and 2008 Porsche Cayenne has manual transmission. 2008 Porsche Cayenne will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Jaguar XJ | 2008 Porsche Cayenne | |
| Make | Jaguar | Porsche |
| Model | XJ | Cayenne |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 4800 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 300 HP | 405 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 420 Nm | 678 Nm |
| Torque RPM | 4100 RPM | 3500 RPM |
| Engine Bore Size | 86.1 mm | 96 mm |
| Engine Stroke Size | 90.4 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 12.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 194 km/hour | 253 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 6.4 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1684 kg | 2225 kg |
| Vehicle Length | 5100 mm | 4790 mm |
| Vehicle Width | 2110 mm | 1930 mm |
| Vehicle Height | 1450 mm | 1710 mm |
| Wheelbase Size | 3040 mm | 2860 mm |
| Fuel Consumption Overall | 11.2 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 85 L | 100 L |
