1966 Mercury Comet vs. 1981 Renault 9
To start off, 1981 Renault 9 is newer by 15 year(s). Which means there will be less support and parts availability for 1966 Mercury Comet. In addition, the cost of maintenance, including insurance, on 1966 Mercury Comet would be higher. At 6,393 cc (8 cylinders), 1966 Mercury Comet is equipped with a bigger engine. In terms of performance, 1966 Mercury Comet (268 HP @ 4400 RPM) has 214 more horse power than 1981 Renault 9. (54 HP @ 4800 RPM). In normal driving conditions, 1966 Mercury Comet should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 1966 Mercury Comet weights approximately 860 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.
Let's talk about torque, 1966 Mercury Comet (546 Nm @ 2600 RPM) has 442 more torque (in Nm) than 1981 Renault 9. (104 Nm @ 2250 RPM). This means 1966 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 1966 Mercury Comet | 1981 Renault 9 | |
| Make | Mercury | Renault |
| Model | Comet | 9 |
| Year Released | 1966 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 6393 cc | 1595 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 268 HP | 54 HP |
| Engine RPM | 4400 RPM | 4800 RPM |
| Torque | 546 Nm | 104 Nm |
| Torque RPM | 2600 RPM | 2250 RPM |
| Engine Bore Size | 103 mm | 78 mm |
| Engine Compression Ratio | 10.5:1 | 22.5:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1775 kg | 915 kg |
| Vehicle Length | 5180 mm | 4070 mm |
| Vehicle Width | 1880 mm | 1660 mm |
| Vehicle Height | 1380 mm | 1410 mm |
| Wheelbase Size | 2950 mm | 2490 mm |
