1970 Mercury Comet vs. 1988 Renault 21
To start off, 1988 Renault 21 is newer by 18 year(s). Which means there will be less support and parts availability for 1970 Mercury Comet. In addition, the cost of maintenance, including insurance, on 1970 Mercury Comet would be higher. At 3,272 cc (6 cylinders), 1970 Mercury Comet is equipped with a bigger engine. In terms of performance, 1970 Mercury Comet (90 HP @ 4000 RPM) has 15 more horse power than 1988 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1970 Mercury Comet should accelerate faster than 1988 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1970 Mercury Comet weights approximately 355 kg more than 1988 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1970 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 1970 Mercury Comet. However, in wet, icy, snow, or gravel driving conditions, 1988 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, 1970 Mercury Comet (209 Nm @ 2200 RPM) has 80 more torque (in Nm) than 1988 Renault 21. (129 Nm @ 3250 RPM). This means 1970 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1988 Renault 21.
Compare all specifications:
| 1970 Mercury Comet | 1988 Renault 21 | |
| Make | Mercury | Renault |
| Model | Comet | 21 |
| Year Released | 1970 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 3272 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 75 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 209 Nm | 129 Nm |
| Torque RPM | 2200 RPM | 3250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1310 kg | 955 kg |
| Vehicle Length | 4800 mm | 4470 mm |
| Vehicle Width | 1800 mm | 1730 mm |
| Vehicle Height | 1360 mm | 1430 mm |
| Wheelbase Size | 2800 mm | 2550 mm |
