1987 Ford Sierra vs. 1958 Morris Isis
To start off, 1987 Ford Sierra is newer by 29 year(s). Which means there will be less support and parts availability for 1958 Morris Isis. In addition, the cost of maintenance, including insurance, on 1958 Morris Isis would be higher. At 2,639 cc (6 cylinders), 1958 Morris Isis is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (104 HP @ 5200 RPM) has 19 more horse power than 1958 Morris Isis. (85 HP @ 4250 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1958 Morris Isis. With that said, vehicle weight also plays an important factor in acceleration. 1958 Morris Isis weights approximately 170 kg more than 1987 Ford Sierra.
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, 1958 Morris Isis (168 Nm @ 2000 RPM) has 8 more torque (in Nm) than 1987 Ford Sierra. (160 Nm @ 4000 RPM). This means 1958 Morris Isis will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 1958 Morris Isis | |
| Make | Ford | Morris |
| Model | Sierra | Isis |
| Year Released | 1987 | 1958 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2639 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 85 HP |
| Engine RPM | 5200 RPM | 4250 RPM |
| Torque | 160 Nm | 168 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 90.9 mm | 79.4 mm |
| Engine Stroke Size | 77 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1145 kg | 1315 kg |
| Vehicle Length | 4430 mm | 4530 mm |
| Vehicle Width | 1700 mm | 1660 mm |
| Vehicle Height | 1370 mm | 1620 mm |
| Wheelbase Size | 2620 mm | 2470 mm |
