1979 Mercury Cougar vs. 1957 Morris Isis
To start off, 1979 Mercury Cougar is newer by 22 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 4,942 cc (8 cylinders), 1979 Mercury Cougar is equipped with a bigger engine. In terms of performance, 1979 Mercury Cougar (134 HP @ 3400 RPM) has 49 more horse power than 1957 Morris Isis. (85 HP @ 4250 RPM). In normal driving conditions, 1979 Mercury Cougar should accelerate faster than 1957 Morris Isis. With that said, vehicle weight also plays an important factor in acceleration. 1979 Mercury Cougar weights approximately 540 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, 1979 Mercury Cougar (336 Nm @ 1600 RPM) has 167 more torque (in Nm) than 1957 Morris Isis. (169 Nm @ 2000 RPM). This means 1979 Mercury Cougar will have an easier job in driving up hills or pulling heavy equipment than 1957 Morris Isis.
Compare all specifications:
| 1979 Mercury Cougar | 1957 Morris Isis | |
| Make | Mercury | Morris |
| Model | Cougar | Isis |
| Year Released | 1979 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 2639 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 134 HP | 85 HP |
| Engine RPM | 3400 RPM | 4250 RPM |
| Torque | 336 Nm | 169 Nm |
| Torque RPM | 1600 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1855 kg | 1315 kg |
| Vehicle Length | 5480 mm | 4530 mm |
| Vehicle Width | 2010 mm | 1660 mm |
| Vehicle Height | 1340 mm | 1620 mm |
| Wheelbase Size | 2910 mm | 2470 mm |
