1972 Citroen SM vs. 1963 Citroen Ak 350
To start off, 1972 Citroen SM is newer by 9 year(s). Which means there will be less support and parts availability for 1963 Citroen Ak 350. In addition, the cost of maintenance, including insurance, on 1963 Citroen Ak 350 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 151 more horse power than 1963 Citroen Ak 350. (22 HP @ 4500 RPM). In normal driving conditions, 1972 Citroen SM should accelerate faster than 1963 Citroen Ak 350. With that said, vehicle weight also plays an important factor in acceleration. 1972 Citroen SM weights approximately 845 kg more than 1963 Citroen Ak 350. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1972 Citroen SM (237 Nm @ 4000 RPM) has 196 more torque (in Nm) than 1963 Citroen Ak 350. (41 Nm @ 2800 RPM). This means 1972 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1963 Citroen Ak 350.
Compare all specifications:
| 1972 Citroen SM | 1963 Citroen Ak 350 | |
| Make | Citroen | Citroen |
| Model | SM | Ak 350 |
| Year Released | 1972 | 1963 |
| Engine Position | Front | Front |
| Engine Size | 2669 cc | 602 cc |
| Engine Cylinders | 6 cylinders | 2 cylinders |
| Engine Type | V | in-line |
| Horse Power | 173 HP | 22 HP |
| Engine RPM | 5500 RPM | 4500 RPM |
| Torque | 237 Nm | 41 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Engine Bore Size | 87 mm | 74 mm |
| Engine Stroke Size | 75 mm | 70 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1450 kg | 605 kg |
| Vehicle Length | 4900 mm | 3610 mm |
| Vehicle Width | 1850 mm | 1490 mm |
| Vehicle Height | 1330 mm | 1710 mm |
| Wheelbase Size | 2960 mm | 2410 mm |
