2003 Jaguar XK vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 1 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, 2003 Jaguar XK (390 HP @ 6150 RPM) has 75 more horse power than 2004 Porsche 911. (315 HP @ 6800 RPM). In normal driving conditions, 2003 Jaguar XK should accelerate faster than 2004 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2003 Jaguar XK weights approximately 310 kg more than 2004 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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, 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, 2003 Jaguar XK (525 Nm) has 155 more torque (in Nm) than 2004 Porsche 911. (370 Nm). This means 2003 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 2003 Jaguar XK | 2004 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XK | 911 |
| Year Released | 2003 | 2004 |
| Body Type | Coupe | Coupe |
| 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 | 315 HP |
| Engine RPM | 6150 RPM | 6800 RPM |
| Torque | 525 Nm | 370 Nm |
| Engine Compression Ratio | 9.1:1 | 11.3:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1735 kg | 1425 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 |
