2005 Jaguar XJ vs. 2004 Porsche 911
To start off, 2005 Jaguar XJ is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 3,589 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (315 HP @ 6800 RPM) has 61 more horse power than 2005 Jaguar XJ. (254 HP @ 6250 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2005 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jaguar XJ weights approximately 259 kg more than 2004 Porsche 911.
Because 2004 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Jaguar XJ. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Porsche 911 (370 Nm) has 35 more torque (in Nm) than 2005 Jaguar XJ. (335 Nm). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Jaguar XJ.
Compare all specifications:
| 2005 Jaguar XJ | 2004 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJ | 911 |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3555 cc | 3589 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 315 HP |
| Engine RPM | 6250 RPM | 6800 RPM |
| Torque | 335 Nm | 370 Nm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1684 kg | 1425 kg |
| Vehicle Length | 5100 mm | 4440 mm |
| Vehicle Width | 1870 mm | 1840 mm |
| Vehicle Height | 1450 mm | 1300 mm |
| Wheelbase Size | 3170 mm | 2360 mm |
| Fuel Consumption Overall | 10.7 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 85 L | 64 L |
