1981 Jaguar XJS vs. 2006 Mercedes-Benz R
To start off, 2006 Mercedes-Benz R is newer by 25 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 31 more horse power than 2006 Mercedes-Benz R. (268 HP @ 6000 RPM). In normal driving conditions, 1981 Jaguar XJS should accelerate faster than 2006 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz R weights approximately 498 kg more than 1981 Jaguar XJS.
Because 2006 Mercedes-Benz R 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, 2006 Mercedes-Benz R 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 81 more torque (in Nm) than 2006 Mercedes-Benz R. (350 Nm @ 2400 RPM). This means 1981 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz R.
Compare all specifications:
| 1981 Jaguar XJS | 2006 Mercedes-Benz R | |
| Make | Jaguar | Mercedes-Benz |
| Model | XJS | R |
| Year Released | 1981 | 2006 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5344 cc | 3506 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 299 HP | 268 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 431 Nm | 350 Nm |
| Torque RPM | 3000 RPM | 2400 RPM |
| Engine Compression Ratio | 12.5:1 | 10.7:1 |
| Top Speed | 240 km/hour | 230 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 8.4 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1707 kg | 2205 kg |
| Vehicle Length | 4880 mm | 5160 mm |
| Vehicle Width | 1780 mm | 1930 mm |
| Vehicle Height | 1270 mm | 1660 mm |
| Wheelbase Size | 2600 mm | 3220 mm |
| Fuel Tank Capacity | 90 L | 80 L |
