2006 Jaguar XJ8 vs. 2004 Porsche 911
To start off, 2006 Jaguar XJ8 is newer by 2 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 4,195 cc (8 cylinders), 2006 Jaguar XJ8 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (315 HP @ 6800 RPM) has 15 more horse power than 2006 Jaguar XJ8. (300 HP @ 6000 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2006 Jaguar XJ8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jaguar XJ8 weights approximately 285 kg more than 2004 Porsche 911.
Because 2004 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Jaguar XJ8. 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, 2006 Jaguar XJ8 (420 Nm) has 50 more torque (in Nm) than 2004 Porsche 911. (370 Nm). This means 2006 Jaguar XJ8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 2006 Jaguar XJ8 | 2004 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJ8 | 911 |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4195 cc | 3589 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 315 HP |
| Engine RPM | 6000 RPM | 6800 RPM |
| Torque | 420 Nm | 370 Nm |
| Engine Compression Ratio | 17.3:1 | 11.3:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1425 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 | 8.7 L/100km | 9.8 L/100km |
| Fuel Consumption City | 13.1 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 85 L | 64 L |
