1974 Citroen SM vs. 1995 Porsche 911
To start off, 1995 Porsche 911 is newer by 21 year(s). Which means there will be less support and parts availability for 1974 Citroen SM. In addition, the cost of maintenance, including insurance, on 1974 Citroen SM would be higher. At 3,598 cc (6 cylinders), 1995 Porsche 911 is equipped with a bigger engine. In terms of performance, 1995 Porsche 911 (247 HP @ 6100 RPM) has 77 more horse power than 1974 Citroen SM. (170 HP @ 5500 RPM) In normal driving conditions, 1995 Porsche 911 should accelerate faster than 1974 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 1974 Citroen SM weights approximately 100 kg more than 1995 Porsche 911.
Because 1995 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1974 Citroen SM. In wet, icy, snow, or gravel driving conditions, 1995 Porsche 911 will offer significantly more control. 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, 1995 Porsche 911 (316 Nm @ 4800 RPM) has 79 more torque (in Nm) than 1974 Citroen SM. (237 Nm @ 4000 RPM). This means 1995 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1974 Citroen SM.
Compare all specifications:
| 1974 Citroen SM | 1995 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | SM | 911 |
| Year Released | 1974 | 1995 |
| Body Type | Coupe | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 2670 cc | 3598 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 170 HP | 247 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 237 Nm | 316 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Engine Bore Size | 87.1 mm | 100 mm |
| Engine Stroke Size | 75 mm | 76.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1350 kg |
| Vehicle Length | 4900 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1660 mm |
| Vehicle Height | 1330 mm | 1260 mm |
