2006 Jaguar XK8 vs. 2004 Porsche 911
To start off, 2006 Jaguar XK8 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 4,194 cc (8 cylinders), 2006 Jaguar XK8 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (444 HP @ 5700 RPM) has 150 more horse power than 2006 Jaguar XK8. (294 HP @ 6000 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2006 Jaguar XK8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jaguar XK8 weights approximately 144 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 XK8. 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 (620 Nm @ 3500 RPM) has 209 more torque (in Nm) than 2006 Jaguar XK8. (411 Nm @ 4100 RPM). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2006 Jaguar XK8.
Compare all specifications:
| 2006 Jaguar XK8 | 2004 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XK8 | 911 |
| Year Released | 2006 | 2004 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4194 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 294 HP | 444 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 411 Nm | 620 Nm |
| Torque RPM | 4100 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 100.1 mm |
| Engine Stroke Size | 90.3 mm | 76.4 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.6 seconds | 4.2 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1734 kg | 1590 kg |
| Vehicle Length | 4780 mm | 4440 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1300 mm | 1300 mm |
| Wheelbase Size | 2590 mm | 2360 mm |
| Fuel Consumption Overall | 11.2 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 75 L | 64 L |
