1966 Ford 12 M vs. 1989 Ford Sierra
To start off, 1989 Ford Sierra is newer by 23 year(s). Which means there will be less support and parts availability for 1966 Ford 12 M. In addition, the cost of maintenance, including insurance, on 1966 Ford 12 M would be higher. At 1,699 cc (4 cylinders), 1966 Ford 12 M is equipped with a bigger engine. In terms of performance, 1989 Ford Sierra (74 HP @ 4900 RPM) has 4 more horse power than 1966 Ford 12 M. (70 HP @ 5000 RPM) In normal driving conditions, 1989 Ford Sierra should accelerate faster than 1966 Ford 12 M. With that said, vehicle weight also plays an important factor in acceleration. 1989 Ford Sierra weights approximately 120 kg more than 1966 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, 1966 Ford 12 M (135 Nm @ 2400 RPM) has 12 more torque (in Nm) than 1989 Ford Sierra. (123 Nm @ 2900 RPM). This means 1966 Ford 12 M will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra.
Compare all specifications:
| 1966 Ford 12 M | 1989 Ford Sierra | |
| Make | Ford | Ford |
| Model | 12 M | Sierra |
| Year Released | 1966 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 1699 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 74 HP |
| Engine RPM | 5000 RPM | 4900 RPM |
| Torque | 135 Nm | 123 Nm |
| Torque RPM | 2400 RPM | 2900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 895 kg | 1015 kg |
| Vehicle Length | 4320 mm | 4430 mm |
| Vehicle Width | 1610 mm | 1700 mm |
| Vehicle Height | 1410 mm | 1370 mm |
| Wheelbase Size | 2530 mm | 2620 mm |
