1973 Chevrolet Impala vs. 1986 Mercury Grand Marquis
To start off, 1986 Mercury Grand Marquis is newer by 13 year(s). Which means there will be less support and parts availability for 1973 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 1973 Chevrolet Impala would be higher. At 4,942 cc (8 cylinders), 1986 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1986 Mercury Grand Marquis (148 HP @ 3200 RPM) has 38 more horse power than 1973 Chevrolet Impala. (110 HP @ 3800 RPM) In normal driving conditions, 1986 Mercury Grand Marquis should accelerate faster than 1973 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 1986 Mercury Grand Marquis weights approximately 35 kg more than 1973 Chevrolet Impala. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1986 Mercury Grand Marquis (367 Nm @ 2000 RPM) has 116 more torque (in Nm) than 1973 Chevrolet Impala. (251 Nm @ 1600 RPM). This means 1986 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1973 Chevrolet Impala.
Compare all specifications:
| 1973 Chevrolet Impala | 1986 Mercury Grand Marquis | |
| Make | Chevrolet | Mercury |
| Model | Impala | Grand Marquis |
| Year Released | 1973 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 4097 cc | 4942 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 110 HP | 148 HP |
| Engine RPM | 3800 RPM | 3200 RPM |
| Torque | 251 Nm | 367 Nm |
| Torque RPM | 1600 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1715 kg | 1750 kg |
| Vehicle Length | 5600 mm | 5400 mm |
| Vehicle Width | 2030 mm | 1980 mm |
| Vehicle Height | 1370 mm | 1390 mm |
| Wheelbase Size | 3100 mm | 2920 mm |
