1978 Mercury Grand Marquis vs. 1987 Renault 9
To start off, 1987 Renault 9 is newer by 9 year(s). Which means there will be less support and parts availability for 1978 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1978 Mercury Grand Marquis would be higher. At 5,766 cc (8 cylinders), 1978 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1978 Mercury Grand Marquis (139 HP @ 3200 RPM) has 92 more horse power than 1987 Renault 9. (47 HP @ 5250 RPM). In normal driving conditions, 1978 Mercury Grand Marquis should accelerate faster than 1987 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercury Grand Marquis weights approximately 890 kg more than 1987 Renault 9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1978 Mercury Grand Marquis | 1987 Renault 9 | |
| Make | Mercury | Renault |
| Model | Grand Marquis | 9 |
| Year Released | 1978 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 5766 cc | 1108 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 139 HP | 47 HP |
| Engine RPM | 3200 RPM | 5250 RPM |
| Torque RPM | 2200 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1710 kg | 820 kg |
| Vehicle Length | 5400 mm | 4070 mm |
| Vehicle Width | 1980 mm | 1660 mm |
| Vehicle Height | 1390 mm | 1410 mm |
| Wheelbase Size | 2910 mm | 2490 mm |
