2003 Jaguar XJ vs. 2008 Mercedes-Benz SLK
To start off, 2008 Mercedes-Benz SLK is newer by 5 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 5,439 cc (8 cylinders), 2008 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz SLK (355 HP @ 5750 RPM) has 61 more horse power than 2003 Jaguar XJ. (294 HP @ 6100 RPM) In normal driving conditions, 2008 Mercedes-Benz SLK should accelerate faster than 2003 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 2003 Jaguar XJ weights approximately 375 kg more than 2008 Mercedes-Benz SLK.
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, 2008 Mercedes-Benz SLK (510 Nm @ 4000 RPM) has 99 more torque (in Nm) than 2003 Jaguar XJ. (411 Nm @ 4100 RPM). This means 2008 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2003 Jaguar XJ.
Compare all specifications:
| 2003 Jaguar XJ | 2008 Mercedes-Benz SLK | |
| Make | Jaguar | Mercedes-Benz |
| Model | XJ | SLK |
| Year Released | 2003 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 5439 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 294 HP | 355 HP |
| Engine RPM | 6100 RPM | 5750 RPM |
| Torque | 411 Nm | 510 Nm |
| Torque RPM | 4100 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 97.1 mm |
| Engine Stroke Size | 90.3 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1615 kg | 1240 kg |
| Vehicle Length | 5090 mm | 4090 mm |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1280 mm |
| Wheelbase Size | 3040 mm | 2440 mm |
| Fuel Tank Capacity | 85 L | 70 L |
