1987 Ford Sierra vs. 1975 Morris Marina
To start off, 1987 Ford Sierra is newer by 12 year(s). Which means there will be less support and parts availability for 1975 Morris Marina. In addition, the cost of maintenance, including insurance, on 1975 Morris Marina would be higher. At 2,292 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (112 HP @ 5300 RPM) has 56 more horse power than 1975 Morris Marina. (56 HP @ 5500 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1975 Morris Marina. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 253 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.
Let's talk about torque, 1987 Ford Sierra (180 Nm @ 3000 RPM) has 86 more torque (in Nm) than 1975 Morris Marina. (94 Nm @ 2450 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1975 Morris Marina.
Compare all specifications:
| 1987 Ford Sierra | 1975 Morris Marina | |
| Make | Ford | Morris |
| Model | Sierra | Marina |
| Year Released | 1987 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 1275 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 112 HP | 56 HP |
| Engine RPM | 5300 RPM | 5500 RPM |
| Torque | 180 Nm | 94 Nm |
| Torque RPM | 3000 RPM | 2450 RPM |
| Engine Bore Size | 96 mm | 70.6 mm |
| Engine Stroke Size | 79.5 mm | 81.3 mm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1135 kg | 882 kg |
| Vehicle Length | 4500 mm | 4220 mm |
| Vehicle Width | 1680 mm | 1640 mm |
| Vehicle Height | 1400 mm | 1410 mm |
| Wheelbase Size | 2620 mm | 2440 mm |
