2007 Jaguar XJ vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Jaguar XJ. In addition, the cost of maintenance, including insurance, on 2007 Jaguar XJ would be higher. At 4,196 cc (8 cylinders), 2007 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2007 Jaguar XJ (400 HP @ 6100 RPM) has 79 more horse power than 2009 Porsche 911. (321 HP @ 6800 RPM). In normal driving conditions, 2007 Jaguar XJ should accelerate faster than 2009 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jaguar XJ weights approximately 129 kg more than 2009 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Jaguar XJ. In wet, icy, snow, or gravel driving conditions, 2009 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, 2007 Jaguar XJ (560 Nm @ 3500 RPM) has 190 more torque (in Nm) than 2009 Porsche 911. (370 Nm @ 4250 RPM). This means 2007 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche 911.
Compare all specifications:
| 2007 Jaguar XJ | 2009 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJ | 911 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4196 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 400 HP | 321 HP |
| Engine RPM | 6100 RPM | 6800 RPM |
| Torque | 560 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Compression Ratio | 9.1:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 275 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 5.3 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1659 kg | 1530 kg |
| Vehicle Length | 5220 mm | 4430 mm |
| Vehicle Width | 2110 mm | 1320 mm |
| Vehicle Height | 1450 mm | 1860 mm |
| Wheelbase Size | 3170 mm | 2360 mm |
| Fuel Consumption Overall | 12.3 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 84 L | 67 L |
