1981 Jaguar XJS vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1981 Jaguar XJS would be higher. At 5,344 cc (12 cylinders), 1981 Jaguar XJS is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayenne (380 HP @ 6200 RPM) has 81 more horse power than 1981 Jaguar XJS. (299 HP @ 5500 RPM) In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 1981 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1981 Jaguar XJS weights approximately 171 kg more than 2009 Porsche Cayenne.
Because 2009 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1981 Jaguar XJS. In wet, icy, snow, or gravel driving conditions, 2009 Porsche Cayenne will offer significantly more control. 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, 2009 Porsche Cayenne (500 Nm @ 3500 RPM) has 69 more torque (in Nm) than 1981 Jaguar XJS. (431 Nm @ 3000 RPM). This means 2009 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1981 Jaguar XJS.
Compare all specifications:
| 1981 Jaguar XJS | 2009 Porsche Cayenne | |
| Make | Jaguar | Porsche |
| Model | XJS | Cayenne |
| Year Released | 1981 | 2009 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 5344 cc | 4806 cc |
| Horse Power | 299 HP | 380 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 431 Nm | 500 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Compression Ratio | 12.5:1 | 12.5:1 |
| Top Speed | 240 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 6.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1707 kg | 1536 kg |
| Vehicle Length | 4880 mm | 4800 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1270 mm | 1930 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
| Fuel Tank Capacity | 90 L | 100 L |
