1976 Citroen CX vs. 1973 Citroen SM
To start off, 1976 Citroen CX is newer by 3 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 (171 HP @ 5500 RPM) has 43 more horse power than 1976 Citroen CX. (128 HP @ 4800 RPM) In normal driving conditions, 1973 Citroen SM should accelerate faster than 1976 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 1976 Citroen CX weights approximately 26 kg more than 1973 Citroen SM.
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 (237 Nm @ 4000 RPM) has 40 more torque (in Nm) than 1976 Citroen CX. (197 Nm @ 3600 RPM). This means 1973 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1976 Citroen CX.
Compare all specifications:
| 1976 Citroen CX | 1973 Citroen SM | |
| Make | Citroen | Citroen |
| Model | CX | SM |
| Year Released | 1976 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2347 cc | 2670 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 128 HP | 171 HP |
| Engine RPM | 4800 RPM | 5500 RPM |
| Torque | 197 Nm | 237 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 93.5 mm | 87 mm |
| Engine Stroke Size | 85.5 mm | 75 mm |
| Engine Compression Ratio | 8.8:1 | 9.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1476 kg | 1450 kg |
| Vehicle Length | 4930 mm | 4900 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1370 mm | 1330 mm |
| Wheelbase Size | 3110 mm | 2960 mm |
| Fuel Tank Capacity | 68 L | 25 L |
