1999 Mercedes-Benz SL vs. 1971 Rover P6
To start off, 1999 Mercedes-Benz SL is newer by 28 year(s). Which means there will be less support and parts availability for 1971 Rover P6. In addition, the cost of maintenance, including insurance, on 1971 Rover P6 would be higher. At 3,532 cc (8 cylinders), 1971 Rover P6 is equipped with a bigger engine. In terms of performance, 1999 Mercedes-Benz SL (190 HP @ 5500 RPM) has 40 more horse power than 1971 Rover P6. (150 HP @ 5000 RPM). In normal driving conditions, 1999 Mercedes-Benz SL should accelerate faster than 1971 Rover P6. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercedes-Benz SL weights approximately 465 kg more than 1971 Rover P6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1971 Rover P6 (274 Nm @ 2750 RPM) has 3 more torque (in Nm) than 1999 Mercedes-Benz SL. (271 Nm @ 3750 RPM). This means 1971 Rover P6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercedes-Benz SL.
Compare all specifications:
| 1999 Mercedes-Benz SL | 1971 Rover P6 | |
| Make | Mercedes-Benz | Rover |
| Model | SL | P6 |
| Year Released | 1999 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2799 cc | 3532 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 190 HP | 150 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 271 Nm | 274 Nm |
| Torque RPM | 3750 RPM | 2750 RPM |
| Engine Bore Size | 89.9 mm | 88.9 mm |
| Engine Stroke Size | 73.5 mm | 71.1 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1295 kg |
| Vehicle Length | 4470 mm | 4570 mm |
| Vehicle Width | 1820 mm | 1680 mm |
| Vehicle Height | 1300 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2630 mm |
