2007 BMW 523 vs. 2003 Jaguar XJ
To start off, 2007 BMW 523 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Jaguar XJ. In addition, the cost of maintenance, including insurance, on 2003 Jaguar XJ would be higher. At 4,195 cc (8 cylinders), 2003 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2003 Jaguar XJ (294 HP @ 6100 RPM) has 119 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2003 Jaguar XJ should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2003 Jaguar XJ weights approximately 115 kg more than 2007 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 Jaguar XJ (411 Nm @ 4100 RPM) has 181 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2003 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 2003 Jaguar XJ | |
| Make | BMW | Jaguar |
| Model | 523 | XJ |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4195 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 294 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 230 Nm | 411 Nm |
| Torque RPM | 3500 RPM | 4100 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 78.8 mm | 90.3 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1500 kg | 1615 kg |
| Vehicle Length | 4850 mm | 5090 mm |
| Vehicle Width | 1470 mm | 1870 mm |
| Vehicle Height | 1850 mm | 1450 mm |
| Wheelbase Size | 2890 mm | 3040 mm |
| Fuel Tank Capacity | 70 L | 85 L |
