1957 Morris Isis vs. 1975 Morris Marina
To start off, 1975 Morris Marina is newer by 18 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 2,639 cc (6 cylinders), 1957 Morris Isis is equipped with a bigger engine. In terms of performance, 1957 Morris Isis (85 HP @ 4250 RPM) has 29 more horse power than 1975 Morris Marina. (56 HP @ 5500 RPM). In normal driving conditions, 1957 Morris Isis should accelerate faster than 1975 Morris Marina. With that said, vehicle weight also plays an important factor in acceleration. 1957 Morris Isis weights approximately 387 kg more than 1975 Morris Marina. 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, 1957 Morris Isis (169 Nm @ 2000 RPM) has 74 more torque (in Nm) than 1975 Morris Marina. (95 Nm @ 2450 RPM). This means 1957 Morris Isis will have an easier job in driving up hills or pulling heavy equipment than 1975 Morris Marina.
Compare all specifications:
| 1957 Morris Isis | 1975 Morris Marina | |
| Make | Morris | Morris |
| Model | Isis | Marina |
| Year Released | 1957 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2639 cc | 1275 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 56 HP |
| Engine RPM | 4250 RPM | 5500 RPM |
| Torque | 169 Nm | 95 Nm |
| Torque RPM | 2000 RPM | 2450 RPM |
| Engine Bore Size | 79.4 mm | 70.6 mm |
| Engine Stroke Size | 88.9 mm | 81.3 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1315 kg | 928 kg |
| Vehicle Length | 4530 mm | 4320 mm |
| Vehicle Width | 1660 mm | 1640 mm |
| Vehicle Height | 1620 mm | 1440 mm |
| Wheelbase Size | 2470 mm | 2440 mm |
