1966 Mercury Comet vs. 1986 Renault 21
To start off, 1986 Renault 21 is newer by 20 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 3,279 cc (6 cylinders), 1966 Mercury Comet is equipped with a bigger engine. In terms of performance, 1966 Mercury Comet (118 HP) has 51 more horse power than 1986 Renault 21. (67 HP). In normal driving conditions, 1966 Mercury Comet should accelerate faster than 1986 Renault 21.
Because 1966 Mercury Comet is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1966 Mercury Comet. However, in wet, icy, snow, or gravel driving conditions, 1986 Renault 21, being front wheel drive (FWD), will offer much better control with better grip. 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 (258 Nm @ 2400 RPM) has 129 more torque (in Nm) than 1986 Renault 21. (129 Nm @ 2250 RPM). This means 1966 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 1966 Mercury Comet | 1986 Renault 21 | |
| Make | Mercury | Renault |
| Model | Comet | 21 |
| Year Released | 1966 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 3279 cc | 2068 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 118 HP | 67 HP |
| Torque | 258 Nm | 129 Nm |
| Torque RPM | 2400 RPM | 2250 RPM |
| Engine Bore Size | 103.1 mm | 86.1 mm |
| Engine Compression Ratio | 10.5:1 | 21.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Length | 5180 mm | 4540 mm |
| Vehicle Width | 1880 mm | 1730 mm |
| Vehicle Height | 1390 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2670 mm |
