1998 Citroen XM vs. 1972 Citroen SM
To start off, 1998 Citroen XM is newer by 26 year(s). Which means there will be less support and parts availability for 1972 Citroen SM. In addition, the cost of maintenance, including insurance, on 1972 Citroen SM would be higher. At 2,668 cc (6 cylinders), 1972 Citroen SM is equipped with a bigger engine. In terms of performance, 1972 Citroen SM (180 HP) has 65 more horse power than 1998 Citroen XM. (115 HP) In normal driving conditions, 1972 Citroen SM should accelerate faster than 1998 Citroen XM.
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, 1972 Citroen SM (231 Nm) has 57 more torque (in Nm) than 1998 Citroen XM. (174 Nm). This means 1972 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1998 Citroen XM.
Compare all specifications:
| 1998 Citroen XM | 1972 Citroen SM | |
| Make | Citroen | Citroen |
| Model | XM | SM |
| Year Released | 1998 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2668 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 115 HP | 180 HP |
| Torque | 174 Nm | 231 Nm |
| Engine Bore Size | 86 mm | 86.9 mm |
| Engine Stroke Size | 86 mm | 74.9 mm |
| Engine Compression Ratio | 8.8:1 | 9.0:1 |
| Top Speed | 193 km/hour | 218 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4720 mm | 4920 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1330 mm |
| Wheelbase Size | 2760 mm | 2960 mm |
