1973 Citroen SM vs. 2010 Citroen C5
To start off, 2010 Citroen C5 is newer by 37 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 2,946 cc (6 cylinders), 2010 Citroen C5 is equipped with a bigger engine. In terms of performance, 2010 Citroen C5 (204 HP @ 6000 RPM) has 33 more horse power than 1973 Citroen SM. (171 HP @ 5500 RPM) In normal driving conditions, 2010 Citroen C5 should accelerate faster than 1973 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2010 Citroen C5 weights approximately 105 kg more than 1973 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2010 Citroen C5 (285 Nm @ 3750 RPM) has 48 more torque (in Nm) than 1973 Citroen SM. (237 Nm @ 4000 RPM). This means 2010 Citroen C5 will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM.
Compare all specifications:
| 1973 Citroen SM | 2010 Citroen C5 | |
| Make | Citroen | Citroen |
| Model | SM | C5 |
| Year Released | 1973 | 2010 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 2946 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 171 HP | 204 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 237 Nm | 285 Nm |
| Torque RPM | 4000 RPM | 3750 RPM |
| Engine Bore Size | 87 mm | 87 mm |
| Engine Stroke Size | 75 mm | 82.6 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1555 kg |
| Vehicle Length | 4900 mm | 4620 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1330 mm | 1480 mm |
| Wheelbase Size | 2960 mm | 2760 mm |
| Fuel Tank Capacity | 25 L | 66 L |
