1972 Citroen SM vs. 2013 Porsche 911
To start off, 2013 Porsche 911 is newer by 41 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 3,800 cc (6 cylinders), 2013 Porsche 911 is equipped with a bigger engine. In terms of performance, 2013 Porsche 911 (493 HP) has 313 more horse power than 1972 Citroen SM. (180 HP) In normal driving conditions, 2013 Porsche 911 should accelerate faster than 1972 Citroen SM.
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, 2013 Porsche 911 (649 Nm) has 418 more torque (in Nm) than 1972 Citroen SM. (231 Nm). This means 2013 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen SM. 2013 Porsche 911 has automatic transmission and 1972 Citroen SM has manual transmission. 1972 Citroen SM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1972 Citroen SM | 2013 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | SM | 911 |
| Year Released | 1972 | 2013 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2668 cc | 3800 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 180 HP | 493 HP |
| Torque | 231 Nm | 649 Nm |
| Engine Bore Size | 86.9 mm | 102 mm |
| Engine Stroke Size | 74.9 mm | 77 mm |
| Engine Compression Ratio | 9.0:1 | 9.8 : 1 |
| Top Speed | 218 km/hour | 312 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4920 mm | 4450 mm |
| Vehicle Width | 1840 mm | 1852 mm |
| Vehicle Height | 1330 mm | 1300 mm |
| Wheelbase Size | 2960 mm | 2350 mm |
