2004 Jaguar XJ vs. 1975 Porsche 911
To start off, 2004 Jaguar XJ is newer by 29 year(s). Which means there will be less support and parts availability for 1975 Porsche 911. In addition, the cost of maintenance, including insurance, on 1975 Porsche 911 would be higher. At 4,195 cc (8 cylinders), 2004 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2004 Jaguar XJ (295 HP @ 6100 RPM) has 35 more horse power than 1975 Porsche 911. (260 HP @ 5500 RPM). In normal driving conditions, 2004 Jaguar XJ should accelerate faster than 1975 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2004 Jaguar XJ weights approximately 530 kg more than 1975 Porsche 911. 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, 2004 Jaguar XJ (411 Nm) has 68 more torque (in Nm) than 1975 Porsche 911. (343 Nm). This means 2004 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1975 Porsche 911. 2004 Jaguar XJ has automatic transmission and 1975 Porsche 911 has manual transmission. 1975 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Jaguar XJ | 1975 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJ | 911 |
| Year Released | 2004 | 1975 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4195 cc | 2994 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 295 HP | 260 HP |
| Engine RPM | 6100 RPM | 5500 RPM |
| Torque | 411 Nm | 343 Nm |
| Engine Bore Size | 86 mm | 95.1 mm |
| Engine Stroke Size | 90 mm | 70.4 mm |
| Engine Compression Ratio | 11.0:1 | 6.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1725 kg | 1195 kg |
| Vehicle Length | 5100 mm | 4300 mm |
| Vehicle Width | 1870 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1330 mm |
| Wheelbase Size | 3170 mm | 2270 mm |
| Fuel Tank Capacity | 85 L | 79 L |
