1975 Jaguar XJS vs. 2006 Jaguar XK
To start off, 2006 Jaguar XK is newer by 31 year(s). Which means there will be less support and parts availability for 1975 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1975 Jaguar XJS would be higher. At 5,342 cc (12 cylinders), 1975 Jaguar XJS is equipped with a bigger engine. In terms of performance, 2006 Jaguar XK (294 HP @ 6000 RPM) has 3 more horse power than 1975 Jaguar XJS. (291 HP @ 5500 RPM) In normal driving conditions, 2006 Jaguar XK should accelerate faster than 1975 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1975 Jaguar XJS weights approximately 111 kg more than 2006 Jaguar XK.
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, 1975 Jaguar XJS (431 Nm @ 3250 RPM) has 20 more torque (in Nm) than 2006 Jaguar XK. (411 Nm @ 4100 RPM). This means 1975 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 2006 Jaguar XK. 2006 Jaguar XK has automatic transmission and 1975 Jaguar XJS has manual transmission. 1975 Jaguar XJS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Jaguar XK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Jaguar XJS | 2006 Jaguar XK | |
| Make | Jaguar | Jaguar |
| Model | XJS | XK |
| Year Released | 1975 | 2006 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5342 cc | 4196 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 291 HP | 294 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 431 Nm | 411 Nm |
| Torque RPM | 3250 RPM | 4100 RPM |
| Engine Bore Size | 90 mm | 86.1 mm |
| Engine Stroke Size | 70 mm | 90.4 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 241 km/hour | 249 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1770 kg | 1659 kg |
| Vehicle Length | 4770 mm | 4780 mm |
| Vehicle Width | 1800 mm | 2080 mm |
| Vehicle Height | 1270 mm | 1290 mm |
| Wheelbase Size | 2600 mm | 2590 mm |
| Fuel Consumption Overall | 12.1 L/100km | 7.3 L/100km |
| Fuel Tank Capacity | 86 L | 75 L |
