1973 Mercury Cougar vs. 1981 Renault 9
To start off, 1981 Renault 9 is newer by 8 year(s). Which means there will be less support and parts availability for 1973 Mercury Cougar. In addition, the cost of maintenance, including insurance, on 1973 Mercury Cougar would be higher. At 5,769 cc (8 cylinders), 1973 Mercury Cougar is equipped with a bigger engine. In terms of performance, 1973 Mercury Cougar (168 HP @ 4000 RPM) has 121 more horse power than 1981 Renault 9. (47 HP @ 5250 RPM). In normal driving conditions, 1973 Mercury Cougar should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mercury Cougar weights approximately 830 kg more than 1981 Renault 9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1973 Mercury Cougar | 1981 Renault 9 | |
| Make | Mercury | Renault |
| Model | Cougar | 9 |
| Year Released | 1973 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 5769 cc | 1108 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 47 HP |
| Engine RPM | 4000 RPM | 5250 RPM |
| Torque RPM | 2400 RPM | 2500 RPM |
| Engine Bore Size | 101.6 mm | 70 mm |
| Engine Stroke Size | 88.8 mm | 72 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1650 kg | 820 kg |
| Vehicle Length | 5080 mm | 4070 mm |
| Vehicle Width | 1920 mm | 1660 mm |
| Vehicle Height | 1310 mm | 1410 mm |
| Wheelbase Size | 2860 mm | 2490 mm |
