1975 BMW 320 vs. 1973 Citroen SM
To start off, 1975 BMW 320 is newer by 2 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 2,670 cc (6 cylinders), 1973 Citroen SM is equipped with a bigger engine. In terms of performance, 1973 Citroen SM (180 HP) has 52 more horse power than 1975 BMW 320. (128 HP) In normal driving conditions, 1973 Citroen SM should accelerate faster than 1975 BMW 320.
Because 1975 BMW 320 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1975 BMW 320. However, in wet, icy, snow, or gravel driving conditions, 1973 Citroen SM, being front wheel drive (FWD), will offer much better control with better grip. 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, 1973 Citroen SM (233 Nm) has 59 more torque (in Nm) than 1975 BMW 320. (174 Nm). This means 1973 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 320.
Compare all specifications:
| 1975 BMW 320 | 1973 Citroen SM | |
| Make | BMW | Citroen |
| Model | 320 | SM |
| Year Released | 1975 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2670 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 128 HP | 180 HP |
| Torque | 174 Nm | 233 Nm |
| Engine Bore Size | 80 mm | 86.9 mm |
| Engine Stroke Size | 66 mm | 74.9 mm |
| Engine Compression Ratio | 9.8:1 | 9.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4330 mm | 4920 mm |
| Vehicle Width | 1650 mm | 1840 mm |
| Vehicle Height | 1390 mm | 1330 mm |
| Wheelbase Size | 2580 mm | 2960 mm |
