1973 Citroen SM vs. 1986 Ford Sierra
To start off, 1986 Ford Sierra is newer by 13 year(s). Which means there will be less support and parts availability for 1973 Citroen SM. In addition, the cost of maintenance, including insurance, on 1973 Citroen SM would be higher. At 2,670 cc (6 cylinders), 1973 Citroen SM is equipped with a bigger engine. In terms of performance, 1973 Citroen SM (180 HP) has 91 more horse power than 1986 Ford Sierra. (89 HP). In normal driving conditions, 1973 Citroen SM should accelerate faster than 1986 Ford Sierra.
Because 1986 Ford Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1986 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 1973 Citroen SM, being front wheel drive (FWD), will offer much better control with better grip. 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, 1973 Citroen SM (233 Nm) has 90 more torque (in Nm) than 1986 Ford Sierra. (143 Nm). This means 1973 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra.
Compare all specifications:
| 1973 Citroen SM | 1986 Ford Sierra | |
| Make | Citroen | Ford |
| Model | SM | Sierra |
| Year Released | 1973 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 180 HP | 89 HP |
| Torque | 233 Nm | 143 Nm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Length | 4920 mm | 4400 mm |
| Vehicle Width | 1840 mm | 1680 mm |
| Vehicle Height | 1330 mm | 1370 mm |
| Wheelbase Size | 2960 mm | 2620 mm |
