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 4,196 cc (8 cylinders), 2006 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (350 HP @ 6600 RPM) has 50 more horse power than 2006 Jaguar XJ. (300 HP @ 6000 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. 2006 Jaguar XJ weights approximately 209 kg more than 2005 Porsche 911.
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 (420 Nm @ 4100 RPM) has 20 more torque (in Nm) than 2005 Porsche 911. (400 Nm @ 4600 RPM). This means 2006 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
Compare all specifications:
| 2006 Jaguar XJ | 2005 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJ | 911 |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4196 cc | 3822 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 350 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 420 Nm | 400 Nm |
| Torque RPM | 4100 RPM | 4600 RPM |
| Engine Bore Size | 86.1 mm | 99 mm |
| Engine Stroke Size | 90.4 mm | 82.8 mm |
| Engine Compression Ratio | 11.0:1 | 11.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 194 km/hour | 288 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 4.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1684 kg | 1475 kg |
| Vehicle Length | 5100 mm | 4440 mm |
| Vehicle Width | 2110 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 3040 mm | 2360 mm |
| Fuel Consumption Overall | 11.2 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 85 L | 64 L |
