1981 Jaguar XJS vs. 2007 Porsche Cayman
To start off, 2007 Porsche Cayman is newer by 26 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, 1981 Jaguar XJS (299 HP @ 5500 RPM) has 54 more horse power than 2007 Porsche Cayman. (245 HP @ 6500 RPM). In normal driving conditions, 1981 Jaguar XJS should accelerate faster than 2007 Porsche Cayman. With that said, vehicle weight also plays an important factor in acceleration. 1981 Jaguar XJS weights approximately 292 kg more than 2007 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, 1981 Jaguar XJS (431 Nm @ 3000 RPM) has 158 more torque (in Nm) than 2007 Porsche Cayman. (273 Nm @ 4600 RPM). This means 1981 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 2007 Porsche Cayman. 1981 Jaguar XJS has automatic transmission and 2007 Porsche Cayman has manual transmission. 2007 Porsche Cayman will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 Jaguar XJS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Jaguar XJS | 2007 Porsche Cayman | |
| Make | Jaguar | Porsche |
| Model | XJS | Cayman |
| Year Released | 1981 | 2007 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 5344 cc | 2686 cc |
| Engine Type | V | boxer |
| Horse Power | 299 HP | 245 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 431 Nm | 273 Nm |
| Torque RPM | 3000 RPM | 4600 RPM |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Top Speed | 240 km/hour | 258 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 6.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1707 kg | 1415 kg |
| Vehicle Length | 4880 mm | 4350 mm |
| Vehicle Width | 1780 mm | 1310 mm |
| Vehicle Height | 1270 mm | 1810 mm |
| Wheelbase Size | 2600 mm | 2420 mm |
| Fuel Tank Capacity | 90 L | 64 L |
