1991 Jaguar XJS vs. 1980 Mercedes-Benz G
To start off, 1991 Jaguar XJS is newer by 11 year(s). Which means there will be less support and parts availability for 1980 Mercedes-Benz G. In addition, the cost of maintenance, including insurance, on 1980 Mercedes-Benz G would be higher. At 5,342 cc (12 cylinders), 1991 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJS (291 HP @ 5500 RPM) has 166 more horse power than 1980 Mercedes-Benz G. (125 HP @ 5000 RPM). In normal driving conditions, 1991 Jaguar XJS should accelerate faster than 1980 Mercedes-Benz G. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 50 kg more than 1980 Mercedes-Benz G. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1980 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 1991 Jaguar XJS. In wet, icy, snow, or gravel driving conditions, 1980 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, 1991 Jaguar XJS (440 Nm @ 3250 RPM) has 248 more torque (in Nm) than 1980 Mercedes-Benz G. (192 Nm @ 4000 RPM). This means 1991 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1980 Mercedes-Benz G.
Compare all specifications:
| 1991 Jaguar XJS | 1980 Mercedes-Benz G | |
| Make | Jaguar | Mercedes-Benz |
| Model | XJS | G |
| Year Released | 1991 | 1980 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 5342 cc | 2297 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 291 HP | 125 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 440 Nm | 192 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 90 mm | 95.5 mm |
| Engine Stroke Size | 70 mm | 80.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1930 kg | 1880 kg |
| Vehicle Length | 4770 mm | 4240 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1260 mm | 1940 mm |
| Wheelbase Size | 2600 mm | 2410 mm |
