2006 BMW 530 vs. 1973 Citroen SM
To start off, 2006 BMW 530 is newer by 33 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 2,999 cc (6 cylinders), 2006 BMW 530 is equipped with a bigger engine. In terms of performance, 2006 BMW 530 (255 HP @ 6600 RPM) has 84 more horse power than 1973 Citroen SM. (171 HP @ 5500 RPM). In normal driving conditions, 2006 BMW 530 should accelerate faster than 1973 Citroen SM.
Because 2006 BMW 530 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 2006 BMW 530. 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, 2006 BMW 530 (298 Nm @ 2750 RPM) has 61 more torque (in Nm) than 1973 Citroen SM. (237 Nm @ 4000 RPM). This means 2006 BMW 530 will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM.
Compare all specifications:
| 2006 BMW 530 | 1973 Citroen SM | |
| Make | BMW | Citroen |
| Model | 530 | SM |
| Year Released | 2006 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 2670 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 255 HP | 171 HP |
| Engine RPM | 6600 RPM | 5500 RPM |
| Torque | 298 Nm | 237 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Bore Size | 85 mm | 87 mm |
| Engine Stroke Size | 88 mm | 75 mm |
| Engine Compression Ratio | 17.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4860 mm | 4900 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1330 mm |
| Wheelbase Size | 2890 mm | 2960 mm |
| Fuel Tank Capacity | 70 L | 25 L |
