2006 Jaguar XJ vs. 2005 Porsche 911
To start off, 2006 Jaguar XJ is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 4,195 cc (8 cylinders), 2006 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (414 HP @ 6000 RPM) has 14 more horse power than 2006 Jaguar XJ. (400 HP @ 6100 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2006 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 120 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 2005 Porsche 911 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, 2005 Porsche 911 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, 2006 Jaguar XJ (561 Nm @ 3500 RPM) has 1 more torque (in Nm) than 2005 Porsche 911. (560 Nm @ 2700 RPM). This means 2006 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911. 2006 Jaguar XJ has automatic transmission and 2005 Porsche 911 has manual transmission. 2005 Porsche 911 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 | 2005 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJ | 911 |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4195 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 400 HP | 414 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 561 Nm | 560 Nm |
| Torque RPM | 3500 RPM | 2700 RPM |
| Engine Bore Size | 86 mm | 100 mm |
| Engine Stroke Size | 90 mm | 76.4 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1620 kg | 1740 kg |
| Vehicle Length | 5220 mm | 4440 mm |
| Vehicle Width | 1950 mm | 1840 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 3170 mm | 2360 mm |
| Fuel Consumption Overall | 12.4 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 84 L | 64 L |
