2006 Jaguar XJ vs. 1987 Porsche 944
To start off, 2006 Jaguar XJ is newer by 19 year(s). Which means there will be less support and parts availability for 1987 Porsche 944. In addition, the cost of maintenance, including insurance, on 1987 Porsche 944 would be higher. At 4,195 cc (8 cylinders), 2006 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2006 Jaguar XJ (400 HP @ 6100 RPM) has 250 more horse power than 1987 Porsche 944. (150 HP @ 5800 RPM). In normal driving conditions, 2006 Jaguar XJ should accelerate faster than 1987 Porsche 944. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jaguar XJ weights approximately 314 kg more than 1987 Porsche 944. 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, 2006 Jaguar XJ (560 Nm @ 3500 RPM) has 365 more torque (in Nm) than 1987 Porsche 944. (195 Nm @ 3000 RPM). This means 2006 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1987 Porsche 944.
Compare all specifications:
| 2006 Jaguar XJ | 1987 Porsche 944 | |
| Make | Jaguar | Porsche |
| Model | XJ | 944 |
| Year Released | 2006 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 2479 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 400 HP | 150 HP |
| Engine RPM | 6100 RPM | 5800 RPM |
| Torque | 560 Nm | 195 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 86.1 mm | 100 mm |
| Engine Stroke Size | 90 mm | 78.9 mm |
| Engine Compression Ratio | 9.1:1 | 9.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1659 kg | 1345 kg |
| Vehicle Length | 5220 mm | 4300 mm |
| Vehicle Width | 1950 mm | 1740 mm |
| Vehicle Height | 1460 mm | 1280 mm |
| Wheelbase Size | 3170 mm | 2410 mm |
| Fuel Tank Capacity | 84 L | 66 L |
