1991 Jaguar XJR-15 vs. 1979 Mercedes-Benz S
To start off, 1991 Jaguar XJR-15 is newer by 12 year(s). Which means there will be less support and parts availability for 1979 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1979 Mercedes-Benz S would be higher. At 5,993 cc (12 cylinders), 1991 Jaguar XJR-15 is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJR-15 (450 HP @ 6250 RPM) has 292 more horse power than 1979 Mercedes-Benz S. (158 HP @ 5500 RPM). In normal driving conditions, 1991 Jaguar XJR-15 should accelerate faster than 1979 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 1979 Mercedes-Benz S weights approximately 560 kg more than 1991 Jaguar XJR-15.
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, 1991 Jaguar XJR-15 (570 Nm @ 4500 RPM) has 347 more torque (in Nm) than 1979 Mercedes-Benz S. (223 Nm @ 4000 RPM). This means 1991 Jaguar XJR-15 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mercedes-Benz S.
Compare all specifications:
| 1991 Jaguar XJR-15 | 1979 Mercedes-Benz S | |
| Make | Jaguar | Mercedes-Benz |
| Model | XJR-15 | S |
| Year Released | 1991 | 1979 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 5993 cc | 2746 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 450 HP | 158 HP |
| Engine RPM | 6250 RPM | 5500 RPM |
| Torque | 570 Nm | 223 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 1 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1050 kg | 1610 kg |
| Vehicle Length | 4810 mm | 4740 mm |
| Vehicle Width | 1910 mm | 1880 mm |
| Vehicle Height | 1110 mm | 1430 mm |
| Wheelbase Size | 2870 mm | 2860 mm |
| Fuel Tank Capacity | 90 L | 85 L |
