1981 Jaguar XJS vs. 2009 Mercury Mariner
To start off, 2009 Mercury Mariner is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1981 Jaguar XJS would be higher. At 5,344 cc (12 cylinders), 1981 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1981 Jaguar XJS (299 HP @ 5500 RPM) has 128 more horse power than 2009 Mercury Mariner. (171 HP @ 6000 RPM). In normal driving conditions, 1981 Jaguar XJS should accelerate faster than 2009 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Mariner weights approximately 218 kg more than 1981 Jaguar XJS.
Because 2009 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 1981 Jaguar XJS. In wet, icy, snow, or gravel driving conditions, 2009 Mercury Mariner 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, 1981 Jaguar XJS (431 Nm @ 3000 RPM) has 199 more torque (in Nm) than 2009 Mercury Mariner. (232 Nm @ 4500 RPM). This means 1981 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercury Mariner.
Compare all specifications:
| 1981 Jaguar XJS | 2009 Mercury Mariner | |
| Make | Jaguar | Mercury |
| Model | XJS | Mariner |
| Year Released | 1981 | 2009 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 5344 cc | 2488 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 299 HP | 171 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 431 Nm | 232 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Compression Ratio | 12.5:1 | 9.7:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1707 kg | 1925 kg |
| Vehicle Length | 4880 mm | 4460 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1270 mm | 1730 mm |
| Wheelbase Size | 2600 mm | 2630 mm |
| Fuel Tank Capacity | 90 L | 62 L |
