2003 Jaguar XJ vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 6 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 52 more horse power than 2009 Porsche Cayman. (242 HP @ 6500 RPM). In normal driving conditions, 2003 Jaguar XJ should accelerate faster than 2009 Porsche Cayman. With that said, vehicle weight also plays an important factor in acceleration. 2003 Jaguar XJ weights approximately 85 kg more than 2009 Porsche Cayman. 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 138 more torque (in Nm) than 2009 Porsche Cayman. (273 Nm @ 4600 RPM). This means 2003 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche Cayman. 2003 Jaguar XJ has automatic transmission and 2009 Porsche Cayman has manual transmission. 2009 Porsche Cayman will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Jaguar XJ | 2009 Porsche Cayman | |
| Make | Jaguar | Porsche |
| Model | XJ | Cayman |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4195 cc | 2687 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 294 HP | 242 HP |
| Engine RPM | 6100 RPM | 6500 RPM |
| Torque | 411 Nm | 273 Nm |
| Torque RPM | 4100 RPM | 4600 RPM |
| Engine Bore Size | 86 mm | 85.5 mm |
| Engine Stroke Size | 90.3 mm | 78 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1615 kg | 1530 kg |
| Vehicle Length | 5090 mm | 4350 mm |
| Vehicle Width | 1870 mm | 1310 mm |
| Vehicle Height | 1450 mm | 1810 mm |
| Wheelbase Size | 3040 mm | 2420 mm |
| Fuel Tank Capacity | 85 L | 64 L |
