2008 Jaguar XJ vs. 1985 Porsche 928
To start off, 2008 Jaguar XJ is newer by 23 year(s). Which means there will be less support and parts availability for 1985 Porsche 928. In addition, the cost of maintenance, including insurance, on 1985 Porsche 928 would be higher. At 4,664 cc (8 cylinders), 1985 Porsche 928 is equipped with a bigger engine. In terms of performance, 1985 Porsche 928 (310 HP @ 5900 RPM) has 10 more horse power than 2008 Jaguar XJ. (300 HP @ 6000 RPM) In normal driving conditions, 1985 Porsche 928 should accelerate faster than 2008 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 2008 Jaguar XJ weights approximately 130 kg more than 1985 Porsche 928.
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, 2008 Jaguar XJ (420 Nm @ 4100 RPM) has 20 more torque (in Nm) than 1985 Porsche 928. (400 Nm @ 4500 RPM). This means 2008 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1985 Porsche 928. 2008 Jaguar XJ has automatic transmission and 1985 Porsche 928 has manual transmission. 1985 Porsche 928 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Jaguar XJ | 1985 Porsche 928 | |
| Make | Jaguar | Porsche |
| Model | XJ | 928 |
| Year Released | 2008 | 1985 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4200 cc | 4664 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 300 HP | 310 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 420 Nm | 400 Nm |
| Torque RPM | 4100 RPM | 4500 RPM |
| Engine Compression Ratio | 11.0:1 | 10.4:1 |
| Top Speed | 194 km/hour | 255 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1684 kg | 1554 kg |
| Vehicle Length | 5100 mm | 4450 mm |
| Vehicle Width | 2110 mm | 1840 mm |
| Vehicle Height | 1450 mm | 1290 mm |
| Wheelbase Size | 3040 mm | 2510 mm |
| Fuel Tank Capacity | 85 L | 86 L |
