1990 Jaguar XJR vs. 2008 Porsche 911
To start off, 2008 Porsche 911 is newer by 18 year(s). Which means there will be less support and parts availability for 1990 Jaguar XJR. In addition, the cost of maintenance, including insurance, on 1990 Jaguar XJR would be higher. At 3,979 cc (6 cylinders), 1990 Jaguar XJR is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (444 HP @ 5700 RPM) has 192 more horse power than 1990 Jaguar XJR. (252 HP @ 5250 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 1990 Jaguar XJR. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche 911 weights approximately 97 kg more than 1990 Jaguar XJR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1990 Jaguar XJR. In wet, icy, snow, or gravel driving conditions, 2008 Porsche 911 will offer significantly more control. 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 Porsche 911 (620 Nm) has 243 more torque (in Nm) than 1990 Jaguar XJR. (377 Nm). This means 2008 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1990 Jaguar XJR.
Compare all specifications:
| 1990 Jaguar XJR | 2008 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJR | 911 |
| Year Released | 1990 | 2008 |
| Engine Position | Front | Rear |
| Engine Size | 3979 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 252 HP | 444 HP |
| Engine RPM | 5250 RPM | 5700 RPM |
| Torque | 377 Nm | 620 Nm |
| Engine Bore Size | 91 mm | 100 mm |
| Engine Stroke Size | 102 mm | 76.4 mm |
| Engine Compression Ratio | 9.8:1 | 9.4:1 |
| Top Speed | 237 km/hour | 307 km/hour |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1493 kg | 1590 kg |
| Vehicle Length | 4940 mm | 4440 mm |
| Vehicle Width | 2010 mm | 1840 mm |
| Wheelbase Size | 2880 mm | 2360 mm |
