2003 Jaguar XK vs. 2006 Porsche 911
To start off, 2006 Porsche 911 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Jaguar XK. In addition, the cost of maintenance, including insurance, on 2003 Jaguar XK would be higher. At 4,196 cc (8 cylinders), 2003 Jaguar XK is equipped with a bigger engine. In terms of performance, 2006 Porsche 911 (414 HP @ 6000 RPM) has 24 more horse power than 2003 Jaguar XK. (390 HP @ 6150 RPM) In normal driving conditions, 2006 Porsche 911 should accelerate faster than 2003 Jaguar XK.
Because 2006 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Jaguar XK. In wet, icy, snow, or gravel driving conditions, 2006 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 Porsche 911 (560 Nm @ 2700 RPM) has 35 more torque (in Nm) than 2003 Jaguar XK. (525 Nm @ 3500 RPM). This means 2006 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 Jaguar XK. 2003 Jaguar XK has automatic transmission and 2006 Porsche 911 has manual transmission. 2006 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Jaguar XK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Jaguar XK | 2006 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XK | 911 |
| Year Released | 2003 | 2006 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4196 cc | 3589 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 390 HP | 414 HP |
| Engine RPM | 6150 RPM | 6000 RPM |
| Torque | 525 Nm | 560 Nm |
| Torque RPM | 3500 RPM | 2700 RPM |
| Engine Compression Ratio | 9.1:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1735 kg | 1735 kg |
| Vehicle Length | 4770 mm | 4440 mm |
| Vehicle Width | 1840 mm | 1840 mm |
| Vehicle Height | 1320 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 2360 mm |
| Fuel Tank Capacity | 75 L | 64 L |
