1975 Jaguar XJS vs. 2008 Porsche Cayenne
To start off, 2008 Porsche Cayenne is newer by 33 year(s). Which means there will be less support and parts availability for 1975 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1975 Jaguar XJS would be higher. At 5,342 cc (12 cylinders), 1975 Jaguar XJS is equipped with a bigger engine. In terms of performance, 2008 Porsche Cayenne (405 HP @ 6500 RPM) has 114 more horse power than 1975 Jaguar XJS. (291 HP @ 5500 RPM) In normal driving conditions, 2008 Porsche Cayenne should accelerate faster than 1975 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche Cayenne weights approximately 455 kg more than 1975 Jaguar XJS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1975 Jaguar XJS. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Porsche Cayenne (678 Nm @ 3500 RPM) has 247 more torque (in Nm) than 1975 Jaguar XJS. (431 Nm @ 3250 RPM). This means 2008 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1975 Jaguar XJS.
Compare all specifications:
| 1975 Jaguar XJS | 2008 Porsche Cayenne | |
| Make | Jaguar | Porsche |
| Model | XJS | Cayenne |
| Year Released | 1975 | 2008 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 5342 cc | 4800 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 291 HP | 405 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 431 Nm | 678 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Bore Size | 90 mm | 96 mm |
| Engine Stroke Size | 70 mm | 83 mm |
| Engine Compression Ratio | 12.5:1 | 12.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 241 km/hour | 253 km/hour |
| Acceleration 0-100mph | 8 seconds | 6.4 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1770 kg | 2225 kg |
| Vehicle Length | 4770 mm | 4790 mm |
| Vehicle Width | 1800 mm | 1930 mm |
| Vehicle Height | 1270 mm | 1710 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
| Fuel Consumption Overall | 12.1 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 86 L | 100 L |
