1989 Jaguar XJS vs. 2009 Jeep Commander
To start off, 2009 Jeep Commander is newer by 20 year(s). Which means there will be less support and parts availability for 1989 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1989 Jaguar XJS would be higher. At 5,652 cc (8 cylinders), 2009 Jeep Commander is equipped with a bigger engine. In terms of performance, 2009 Jeep Commander (322 HP @ 5000 RPM) has 87 more horse power than 1989 Jaguar XJS. (235 HP @ 4750 RPM) In normal driving conditions, 2009 Jeep Commander should accelerate faster than 1989 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jeep Commander weights approximately 605 kg more than 1989 Jaguar XJS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Jeep Commander is four wheel drive (4WD), it will have significant more traction and grip than 1989 Jaguar XJS. In wet, icy, snow, or gravel driving conditions, 2009 Jeep Commander 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, 2009 Jeep Commander (500 Nm @ 4000 RPM) has 113 more torque (in Nm) than 1989 Jaguar XJS. (387 Nm @ 3750 RPM). This means 2009 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 1989 Jaguar XJS.
Compare all specifications:
| 1989 Jaguar XJS | 2009 Jeep Commander | |
| Make | Jaguar | Jeep |
| Model | XJS | Commander |
| Year Released | 1989 | 2009 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3980 cc | 5652 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 235 HP | 322 HP |
| Engine RPM | 4750 RPM | 5000 RPM |
| Torque | 387 Nm | 500 Nm |
| Torque RPM | 3750 RPM | 4000 RPM |
| Engine Bore Size | 91 mm | 99.5 mm |
| Engine Stroke Size | 102 mm | 90.9 mm |
| Top Speed | 224 km/hour | 208 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1750 kg | 2355 kg |
| Vehicle Length | 4770 mm | 4790 mm |
| Vehicle Width | 1890 mm | 1910 mm |
| Vehicle Height | 1270 mm | 1830 mm |
| Wheelbase Size | 2600 mm | 2790 mm |
