1959 Citroen DS vs. 1973 Citroen SM
To start off, 1973 Citroen SM is newer by 14 year(s). Which means there will be less support and parts availability for 1959 Citroen DS. In addition, the cost of maintenance, including insurance, on 1959 Citroen DS 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 106 more horse power than 1959 Citroen DS. (74 HP) In normal driving conditions, 1973 Citroen SM should accelerate faster than 1959 Citroen DS.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 1973 Citroen SM (233 Nm) has 96 more torque (in Nm) than 1959 Citroen DS. (137 Nm). This means 1973 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1959 Citroen DS.
Compare all specifications:
| 1959 Citroen DS | 1973 Citroen SM | |
| Make | Citroen | Citroen |
| Model | DS | SM |
| Year Released | 1959 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1911 cc | 2670 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 74 HP | 180 HP |
| Torque | 137 Nm | 233 Nm |
| Engine Bore Size | 78.1 mm | 86.9 mm |
| Engine Stroke Size | 100 mm | 74.9 mm |
| Engine Compression Ratio | 7.5:1 | 9.0:1 |
| Drive Type | Front | Front |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Length | 5000 mm | 4920 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1540 mm | 1330 mm |
| Wheelbase Size | 3140 mm | 2960 mm |
