2003 Infiniti M vs. 2006 Jaguar XJ
To start off, 2006 Jaguar XJ is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Infiniti M. In addition, the cost of maintenance, including insurance, on 2003 Infiniti M would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti M is equipped with a bigger engine. In terms of performance, 2006 Jaguar XJ (400 HP @ 6100 RPM) has 60 more horse power than 2003 Infiniti M. (340 HP @ 6400 RPM) In normal driving conditions, 2006 Jaguar XJ should accelerate faster than 2003 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti M weights approximately 88 kg more than 2006 Jaguar XJ.
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, 2006 Jaguar XJ (560 Nm @ 3500 RPM) has 109 more torque (in Nm) than 2003 Infiniti M. (451 Nm @ 4000 RPM). This means 2006 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2003 Infiniti M.
Compare all specifications:
| 2003 Infiniti M | 2006 Jaguar XJ | |
| Make | Infiniti | Jaguar |
| Model | M | XJ |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 4195 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 400 HP |
| Engine RPM | 6400 RPM | 6100 RPM |
| Torque | 451 Nm | 560 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 86.1 mm |
| Engine Stroke Size | 82.7 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1747 kg | 1659 kg |
| Vehicle Length | 5020 mm | 5220 mm |
| Vehicle Width | 1780 mm | 1950 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2810 mm | 3170 mm |
| Fuel Tank Capacity | 79 L | 84 L |
