1974 Citroen SM vs. 2011 Infiniti FX
To start off, 2011 Infiniti FX is newer by 37 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 5,000 cc (8 cylinders), 2011 Infiniti FX is equipped with a bigger engine. In terms of performance, 2011 Infiniti FX (390 HP @ 6500 RPM) has 220 more horse power than 1974 Citroen SM. (170 HP @ 5500 RPM) In normal driving conditions, 2011 Infiniti FX should accelerate faster than 1974 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti FX weights approximately 612 kg more than 1974 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Infiniti FX is all wheel drive (AWD), it will have significant more traction and grip than 1974 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2011 Infiniti FX 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, 2011 Infiniti FX (500 Nm @ 4400 RPM) has 263 more torque (in Nm) than 1974 Citroen SM. (237 Nm @ 4000 RPM). This means 2011 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 1974 Citroen SM.
Compare all specifications:
| 1974 Citroen SM | 2011 Infiniti FX | |
| Make | Citroen | Infiniti |
| Model | SM | FX |
| Year Released | 1974 | 2011 |
| Body Type | Coupe | Crossover |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 5000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 170 HP | 390 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 237 Nm | 500 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 2062 kg |
| Vehicle Length | 4900 mm | 4859 mm |
| Vehicle Width | 1850 mm | 1928 mm |
| Vehicle Height | 1330 mm | 1679 mm |
| Wheelbase Size | 2960 mm | 2885 mm |
| Fuel Tank Capacity | 25 L | 90 L |
