1988 Jaguar XJS vs. 1975 Porsche 930
To start off, 1988 Jaguar XJS is newer by 13 year(s). Which means there will be less support and parts availability for 1975 Porsche 930. In addition, the cost of maintenance, including insurance, on 1975 Porsche 930 would be higher. At 5,343 cc (12 cylinders), 1988 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1988 Jaguar XJS (291 HP @ 5500 RPM) has 35 more horse power than 1975 Porsche 930. (256 HP @ 5500 RPM). In normal driving conditions, 1988 Jaguar XJS should accelerate faster than 1975 Porsche 930. With that said, vehicle weight also plays an important factor in acceleration. 1988 Jaguar XJS weights approximately 790 kg more than 1975 Porsche 930. 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, 1988 Jaguar XJS (440 Nm @ 3250 RPM) has 89 more torque (in Nm) than 1975 Porsche 930. (351 Nm @ 3000 RPM). This means 1988 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1975 Porsche 930.
Compare all specifications:
| 1988 Jaguar XJS | 1975 Porsche 930 | |
| Make | Jaguar | Porsche |
| Model | XJS | 930 |
| Year Released | 1988 | 1975 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 5343 cc | 2994 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 291 HP | 256 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 440 Nm | 351 Nm |
| Torque RPM | 3250 RPM | 3000 RPM |
| Engine Bore Size | 90.1 mm | 95 mm |
| Engine Stroke Size | 70 mm | 70.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1930 kg | 1140 kg |
| Vehicle Length | 4770 mm | 4300 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1260 mm | 1320 mm |
| Wheelbase Size | 2600 mm | 2510 mm |
