1970 Mercury Comet vs. 1971 Renault 15
To start off, 1971 Renault 15 is newer by 1 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 4,942 cc (8 cylinders), 1970 Mercury Comet is equipped with a bigger engine. In terms of performance, 1970 Mercury Comet (137 HP @ 4200 RPM) has 78 more horse power than 1971 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1970 Mercury Comet should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1970 Mercury Comet weights approximately 425 kg more than 1971 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1970 Mercury Comet (319 Nm @ 2000 RPM) has 221 more torque (in Nm) than 1971 Renault 15. (98 Nm @ 3500 RPM). This means 1970 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 1970 Mercury Comet | 1971 Renault 15 | |
| Make | Mercury | Renault |
| Model | Comet | 15 |
| Year Released | 1970 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 1289 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 137 HP | 59 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 319 Nm | 98 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 101.6 mm | 75 mm |
| Engine Stroke Size | 76.2 mm | 69 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1390 kg | 965 kg |
| Vehicle Length | 4800 mm | 4270 mm |
| Vehicle Width | 1800 mm | 1640 mm |
| Vehicle Height | 1360 mm | 1320 mm |
| Wheelbase Size | 2800 mm | 2440 mm |
