1970 Ford 12 M vs. 1984 Ford Sierra
To start off, 1984 Ford Sierra is newer by 14 year(s). Which means there will be less support and parts availability for 1970 Ford 12 M. In addition, the cost of maintenance, including insurance, on 1970 Ford 12 M would be higher. At 1,593 cc (4 cylinders), 1984 Ford Sierra is equipped with a bigger engine. In terms of performance, 1984 Ford Sierra (75 HP @ 4800 RPM) has 26 more horse power than 1970 Ford 12 M. (49 HP @ 5000 RPM) In normal driving conditions, 1984 Ford Sierra should accelerate faster than 1970 Ford 12 M. With that said, vehicle weight also plays an important factor in acceleration. 1984 Ford Sierra weights approximately 190 kg more than 1970 Ford 12 M. 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, 1984 Ford Sierra (123 Nm @ 2900 RPM) has 30 more torque (in Nm) than 1970 Ford 12 M. (93 Nm @ 2500 RPM). This means 1984 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1970 Ford 12 M.
Compare all specifications:
| 1970 Ford 12 M | 1984 Ford Sierra | |
| Make | Ford | Ford |
| Model | 12 M | Sierra |
| Year Released | 1970 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1305 cc | 1593 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 49 HP | 75 HP |
| Engine RPM | 5000 RPM | 4800 RPM |
| Torque | 93 Nm | 123 Nm |
| Torque RPM | 2500 RPM | 2900 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 850 kg | 1040 kg |
| Vehicle Length | 4320 mm | 4430 mm |
| Vehicle Width | 1610 mm | 1730 mm |
| Vehicle Height | 1410 mm | 1370 mm |
| Wheelbase Size | 2530 mm | 2610 mm |
