1981 Jaguar XJS vs. 2005 Mercedes-Benz G
To start off, 2005 Mercedes-Benz G is newer by 24 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 52 more horse power than 2005 Mercedes-Benz G. (247 HP @ 4000 RPM). In normal driving conditions, 1981 Jaguar XJS should accelerate faster than 2005 Mercedes-Benz G. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz G weights approximately 783 kg more than 1981 Jaguar XJS.
Because 2005 Mercedes-Benz G 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, 2005 Mercedes-Benz G 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, 2005 Mercedes-Benz G (560 Nm @ 1700 RPM) has 129 more torque (in Nm) than 1981 Jaguar XJS. (431 Nm @ 3000 RPM). This means 2005 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 1981 Jaguar XJS.
Compare all specifications:
| 1981 Jaguar XJS | 2005 Mercedes-Benz G | |
| Make | Jaguar | Mercedes-Benz |
| Model | XJS | G |
| Year Released | 1981 | 2005 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 5344 cc | 3994 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 299 HP | 247 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 431 Nm | 560 Nm |
| Torque RPM | 3000 RPM | 1700 RPM |
| Engine Compression Ratio | 12.5:1 | 19.0:1 |
| Top Speed | 240 km/hour | 180 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 10.3 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1707 kg | 2490 kg |
| Vehicle Length | 4880 mm | 4230 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1270 mm | 1940 mm |
| Wheelbase Size | 2600 mm | 2410 mm |
| Fuel Tank Capacity | 90 L | 96 L |
