1966 Mercury Comet vs. 1980 Mercury Grand Marquis
To start off, 1980 Mercury Grand Marquis is newer by 14 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 (405 HP @ 5600 RPM) has 287 more horse power than 1980 Mercury Grand Marquis. (118 HP @ 3800 RPM). In normal driving conditions, 1966 Mercury Comet should accelerate faster than 1980 Mercury Grand Marquis.
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, 1966 Mercury Comet (645 Nm @ 3400 RPM) has 383 more torque (in Nm) than 1980 Mercury Grand Marquis. (262 Nm @ 2200 RPM). This means 1966 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1980 Mercury Grand Marquis.
Compare all specifications:
| 1966 Mercury Comet | 1980 Mercury Grand Marquis | |
| Make | Mercury | Mercury |
| Model | Comet | Grand Marquis |
| Year Released | 1966 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 6393 cc | 4184 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 405 HP | 118 HP |
| Engine RPM | 5600 RPM | 3800 RPM |
| Torque | 645 Nm | 262 Nm |
| Torque RPM | 3400 RPM | 2200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Length | 5180 mm | 5400 mm |
| Vehicle Width | 1880 mm | 1980 mm |
| Vehicle Height | 1390 mm | 1390 mm |
| Wheelbase Size | 2950 mm | 2910 mm |
