1973 Citroen SM vs. 2001 Porsche 911
To start off, 2001 Porsche 911 is newer by 28 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 3,594 cc (6 cylinders), 2001 Porsche 911 is equipped with a bigger engine. In terms of performance, 2001 Porsche 911 (276 HP @ 6600 RPM) has 105 more horse power than 1973 Citroen SM. (171 HP @ 5500 RPM) In normal driving conditions, 2001 Porsche 911 should accelerate faster than 1973 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2001 Porsche 911 weights approximately 90 kg more than 1973 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 Porsche 911 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 2001 Porsche 911. 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, 2001 Porsche 911 (759 Nm) has 522 more torque (in Nm) than 1973 Citroen SM. (237 Nm). This means 2001 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM.
Compare all specifications:
| 1973 Citroen SM | 2001 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | SM | 911 |
| Year Released | 1973 | 2001 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2670 cc | 3594 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 171 HP | 276 HP |
| Engine RPM | 5500 RPM | 6600 RPM |
| Torque | 237 Nm | 759 Nm |
| Engine Compression Ratio | 9.0:1 | 11.3:1 |
| Drive Type | Front | Rear |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1540 kg |
| Vehicle Length | 4900 mm | 4440 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1330 mm | 1300 mm |
| Wheelbase Size | 2960 mm | 2360 mm |
