1981 Mercury Cougar vs. 1972 Rover P5B
To start off, 1981 Mercury Cougar is newer by 9 year(s). Which means there will be less support and parts availability for 1972 Rover P5B. In addition, the cost of maintenance, including insurance, on 1972 Rover P5B would be higher. At 3,797 cc (6 cylinders), 1981 Mercury Cougar is equipped with a bigger engine. In terms of performance, 1972 Rover P5B (158 HP @ 5200 RPM) has 44 more horse power than 1981 Mercury Cougar. (114 HP @ 4000 RPM) In normal driving conditions, 1972 Rover P5B should accelerate faster than 1981 Mercury Cougar. With that said, vehicle weight also plays an important factor in acceleration. 1972 Rover P5B weights approximately 234 kg more than 1981 Mercury Cougar. 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, 1972 Rover P5B (295 Nm @ 3000 RPM) has 58 more torque (in Nm) than 1981 Mercury Cougar. (237 Nm @ 2600 RPM). This means 1972 Rover P5B will have an easier job in driving up hills or pulling heavy equipment than 1981 Mercury Cougar.
Compare all specifications:
| 1981 Mercury Cougar | 1972 Rover P5B | |
| Make | Mercury | Rover |
| Model | Cougar | P5B |
| Year Released | 1981 | 1972 |
| Engine Size | 3797 cc | 3528 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 158 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 237 Nm | 295 Nm |
| Torque RPM | 2600 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1356 kg | 1590 kg |
| Vehicle Length | 4960 mm | 4750 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1370 mm | 1550 mm |
| Wheelbase Size | 2690 mm | 2820 mm |
