2005 Infiniti QX56 vs. 2003 Jaguar XK
To start off, 2005 Infiniti QX56 is newer by 2 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 5,555 cc (8 cylinders), 2005 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2003 Jaguar XK (390 HP @ 6150 RPM) has 75 more horse power than 2005 Infiniti QX56. (315 HP @ 6400 RPM) In normal driving conditions, 2003 Jaguar XK should accelerate faster than 2005 Infiniti QX56. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti QX56 weights approximately 696 kg more than 2003 Jaguar XK.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2005 Infiniti QX56 (529 Nm) has 4 more torque (in Nm) than 2003 Jaguar XK. (525 Nm). This means 2005 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2003 Jaguar XK.
Compare all specifications:
| 2005 Infiniti QX56 | 2003 Jaguar XK | |
| Make | Infiniti | Jaguar |
| Model | QX56 | XK |
| Year Released | 2005 | 2003 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5555 cc | 4196 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 315 HP | 390 HP |
| Engine RPM | 6400 RPM | 6150 RPM |
| Torque | 529 Nm | 525 Nm |
| Engine Compression Ratio | 9.8:1 | 9.1:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2431 kg | 1735 kg |
| Vehicle Length | 5260 mm | 4770 mm |
| Vehicle Width | 2010 mm | 1840 mm |
| Vehicle Height | 1960 mm | 1320 mm |
| Wheelbase Size | 3140 mm | 2600 mm |
| Fuel Tank Capacity | 106 L | 75 L |
