1964 Austin A 90 vs. 1983 Mercury Grand Marquis
To start off, 1983 Mercury Grand Marquis is newer by 19 year(s). Which means there will be less support and parts availability for 1964 Austin A 90. In addition, the cost of maintenance, including insurance, on 1964 Austin A 90 would be higher. At 4,942 cc (8 cylinders), 1983 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1983 Mercury Grand Marquis (129 HP @ 3600 RPM) has 9 more horse power than 1964 Austin A 90. (120 HP @ 4750 RPM) In normal driving conditions, 1983 Mercury Grand Marquis should accelerate faster than 1964 Austin A 90. With that said, vehicle weight also plays an important factor in acceleration. 1983 Mercury Grand Marquis weights approximately 118 kg more than 1964 Austin A 90. 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, 1983 Mercury Grand Marquis (302 Nm @ 2600 RPM) has 81 more torque (in Nm) than 1964 Austin A 90. (221 Nm @ 2750 RPM). This means 1983 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1964 Austin A 90.
Compare all specifications:
| 1964 Austin A 90 | 1983 Mercury Grand Marquis | |
| Make | Austin | Mercury |
| Model | A 90 | Grand Marquis |
| Year Released | 1964 | 1983 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 4942 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 120 HP | 129 HP |
| Engine RPM | 4750 RPM | 3600 RPM |
| Torque | 221 Nm | 302 Nm |
| Torque RPM | 2750 RPM | 2600 RPM |
| Engine Bore Size | 83.4 mm | 101.6 mm |
| Engine Stroke Size | 88.9 mm | 76.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1572 kg | 1690 kg |
| Vehicle Length | 4780 mm | 5400 mm |
| Vehicle Width | 1750 mm | 1980 mm |
| Vehicle Height | 1540 mm | 1390 mm |
| Wheelbase Size | 2750 mm | 2910 mm |
