1985 Mercury Grand Marquis vs. 1957 Morris Isis
To start off, 1985 Mercury Grand Marquis is newer by 28 year(s). Which means there will be less support and parts availability for 1957 Morris Isis. In addition, the cost of maintenance, including insurance, on 1957 Morris Isis would be higher. At 4,940 cc (8 cylinders), 1985 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1985 Mercury Grand Marquis (148 HP @ 3200 RPM) has 63 more horse power than 1957 Morris Isis. (85 HP @ 4250 RPM). In normal driving conditions, 1985 Mercury Grand Marquis should accelerate faster than 1957 Morris Isis. With that said, vehicle weight also plays an important factor in acceleration. 1985 Mercury Grand Marquis weights approximately 435 kg more than 1957 Morris Isis. 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, 1985 Mercury Grand Marquis (366 Nm @ 2000 RPM) has 197 more torque (in Nm) than 1957 Morris Isis. (169 Nm @ 2000 RPM). This means 1985 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1957 Morris Isis.
Compare all specifications:
| 1985 Mercury Grand Marquis | 1957 Morris Isis | |
| Make | Mercury | Morris |
| Model | Grand Marquis | Isis |
| Year Released | 1985 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 4940 cc | 2639 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 148 HP | 85 HP |
| Engine RPM | 3200 RPM | 4250 RPM |
| Torque | 366 Nm | 169 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1750 kg | 1315 kg |
| Vehicle Length | 5400 mm | 4530 mm |
| Vehicle Width | 1980 mm | 1660 mm |
| Vehicle Height | 1390 mm | 1620 mm |
| Wheelbase Size | 2920 mm | 2470 mm |
