2002 Jaguar XJ vs. 1981 Porsche 928
To start off, 2002 Jaguar XJ is newer by 21 year(s). Which means there will be less support and parts availability for 1981 Porsche 928. In addition, the cost of maintenance, including insurance, on 1981 Porsche 928 would be higher. At 4,472 cc (8 cylinders), 1981 Porsche 928 is equipped with a bigger engine. In terms of performance, 2002 Jaguar XJ (240 HP @ 6350 RPM) has 2 more horse power than 1981 Porsche 928. (238 HP @ 5250 RPM). In normal driving conditions, 2002 Jaguar XJ should accelerate faster than 1981 Porsche 928. With that said, vehicle weight also plays an important factor in acceleration. 2002 Jaguar XJ weights approximately 260 kg more than 1981 Porsche 928. 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 Porsche 928 (356 Nm @ 3600 RPM) has 40 more torque (in Nm) than 2002 Jaguar XJ. (316 Nm @ 4350 RPM). This means 1981 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2002 Jaguar XJ. 2002 Jaguar XJ has automatic transmission and 1981 Porsche 928 has manual transmission. 1981 Porsche 928 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Jaguar XJ | 1981 Porsche 928 | |
| Make | Jaguar | Porsche |
| Model | XJ | 928 |
| Year Released | 2002 | 1981 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3248 cc | 4472 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 240 HP | 238 HP |
| Engine RPM | 6350 RPM | 5250 RPM |
| Torque | 316 Nm | 356 Nm |
| Torque RPM | 4350 RPM | 3600 RPM |
| Engine Bore Size | 86 mm | 95 mm |
| Engine Stroke Size | 70 mm | 78.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1450 kg |
| Vehicle Length | 5160 mm | 4450 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1310 mm | 1320 mm |
| Wheelbase Size | 2880 mm | 2510 mm |
