1987 Citroen AX vs. 1972 Citroen SM
To start off, 1987 Citroen AX is newer by 15 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 2,669 cc (6 cylinders), 1972 Citroen SM is equipped with a bigger engine. In terms of performance, 1972 Citroen SM (173 HP @ 5500 RPM) has 73 more horse power than 1987 Citroen AX. (100 HP @ 6800 RPM) In normal driving conditions, 1972 Citroen SM should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 1972 Citroen SM weights approximately 655 kg more than 1987 Citroen AX. 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, 1972 Citroen SM (237 Nm) has 117 more torque (in Nm) than 1987 Citroen AX. (120 Nm). This means 1972 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen AX.
Compare all specifications:
| 1987 Citroen AX | 1972 Citroen SM | |
| Make | Citroen | Citroen |
| Model | AX | SM |
| Year Released | 1987 | 1972 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1360 cc | 2669 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 100 HP | 173 HP |
| Engine RPM | 6800 RPM | 5500 RPM |
| Torque | 120 Nm | 237 Nm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 795 kg | 1450 kg |
| Vehicle Length | 3540 mm | 4900 mm |
| Vehicle Width | 1610 mm | 1850 mm |
| Vehicle Height | 1350 mm | 1330 mm |
| Wheelbase Size | 2290 mm | 2960 mm |
