1972 Citroen SM vs. 2005 Proton 400
To start off, 2005 Proton 400 is newer by 33 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 106 more horse power than 2005 Proton 400. (74 HP). In normal driving conditions, 1972 Citroen SM should accelerate faster than 2005 Proton 400.
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 123 more torque (in Nm) than 2005 Proton 400. (108 Nm). This means 1972 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2005 Proton 400.
Compare all specifications:
| 1972 Citroen SM | 2005 Proton 400 | |
| Make | Citroen | Proton |
| Model | SM | 400 |
| Year Released | 1972 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2668 cc | 1299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 180 HP | 74 HP |
| Torque | 231 Nm | 108 Nm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Length | 4920 mm | 4280 mm |
| Vehicle Width | 1840 mm | 1700 mm |
| Vehicle Height | 1330 mm | 1390 mm |
| Wheelbase Size | 2960 mm | 2510 mm |
