1989 Ford Sierra vs. 1970 Ford Cortina
To start off, 1989 Ford Sierra is newer by 19 year(s). Which means there will be less support and parts availability for 1970 Ford Cortina. In addition, the cost of maintenance, including insurance, on 1970 Ford Cortina would be higher. At 1,998 cc (4 cylinders), 1989 Ford Sierra is equipped with a bigger engine. In terms of performance, 1989 Ford Sierra (125 HP @ 5600 RPM) has 37 more horse power than 1970 Ford Cortina. (88 HP @ 5700 RPM). In normal driving conditions, 1989 Ford Sierra should accelerate faster than 1970 Ford Cortina. With that said, vehicle weight also plays an important factor in acceleration. 1989 Ford Sierra weights approximately 138 kg more than 1970 Ford Cortina. 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, 1989 Ford Sierra (174 Nm @ 2500 RPM) has 49 more torque (in Nm) than 1970 Ford Cortina. (125 Nm @ 4000 RPM). This means 1989 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1970 Ford Cortina.
Compare all specifications:
| 1989 Ford Sierra | 1970 Ford Cortina | |
| Make | Ford | Ford |
| Model | Sierra | Cortina |
| Year Released | 1989 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1593 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 88 HP |
| Engine RPM | 5600 RPM | 5700 RPM |
| Torque | 174 Nm | 125 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 87.8 mm |
| Engine Stroke Size | 86 mm | 66 mm |
| Engine Compression Ratio | 10.3:1 | 9.2:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1128 kg | 990 kg |
| Vehicle Length | 4470 mm | 4270 mm |
| Vehicle Width | 1710 mm | 1710 mm |
| Vehicle Height | 1380 mm | 1330 mm |
| Wheelbase Size | 2610 mm | 2590 mm |
