2008 Jaguar XJR vs. 2005 Porsche 911
To start off, 2008 Jaguar XJR is newer by 3 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 3,995 cc (6 cylinders), 2008 Jaguar XJR is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 Jaguar XJR weights approximately 280 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Jaguar XJR. 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, 2008 Jaguar XJR (505 Nm @ 3600 RPM) has 135 more torque (in Nm) than 2005 Porsche 911. (370 Nm @ 4250 RPM). This means 2008 Jaguar XJR will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
Compare all specifications:
| 2008 Jaguar XJR | 2005 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJR | 911 |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3995 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 315 HP |
| Torque | 505 Nm | 370 Nm |
| Torque RPM | 3600 RPM | 4250 RPM |
| Engine Bore Size | 86 mm | 96 mm |
| Engine Stroke Size | 86 mm | 82.8 mm |
| Engine Compression Ratio | 8.9:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 280 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 5.3 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 | 1845 kg | 1565 kg |
| Vehicle Width | 1950 mm | 1840 mm |
| Wheelbase Size | 2880 mm | 2360 mm |
| Fuel Consumption Overall | 12.6 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 81 L | 64 L |
