2005 Jaguar XJ vs. 2010 Porsche 911
To start off, 2010 Porsche 911 is newer by 5 year(s). Which means there will be less support and parts availability for 2005 Jaguar XJ. In addition, the cost of maintenance, including insurance, on 2005 Jaguar XJ would be higher. At 4,195 cc (8 cylinders), 2005 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2010 Porsche 911 (500 HP @ 6000 RPM) has 110 more horse power than 2005 Jaguar XJ. (390 HP @ 6000 RPM) In normal driving conditions, 2010 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 90 kg more than 2010 Porsche 911.
Because 2010 Porsche 911 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Jaguar XJ. In wet, icy, snow, or gravel driving conditions, 2010 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, 2010 Porsche 911 (650 Nm) has 125 more torque (in Nm) than 2005 Jaguar XJ. (525 Nm). This means 2010 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Jaguar XJ. 2005 Jaguar XJ has automatic transmission and 2010 Porsche 911 has manual transmission. 2010 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Jaguar XJ | 2010 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJ | 911 |
| Year Released | 2005 | 2010 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4195 cc | 3800 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 390 HP | 500 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 525 Nm | 650 Nm |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1735 kg | 1645 kg |
| Vehicle Length | 5100 mm | 4478 mm |
| Vehicle Width | 1950 mm | 1852 mm |
| Vehicle Height | 1450 mm | 1300 mm |
| Wheelbase Size | 2920 mm | 2350 mm |
| Fuel Consumption | 9.8 L/100km | 9.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 84 L | 67 L |
