2007 BMW M6 vs. 1972 Citroen SM
To start off, 2007 BMW M6 is newer by 35 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 4,999 cc (10 cylinders), 2007 BMW M6 is equipped with a bigger engine. In terms of performance, 2007 BMW M6 (500 HP) has 320 more horse power than 1972 Citroen SM. (180 HP). In normal driving conditions, 2007 BMW M6 should accelerate faster than 1972 Citroen SM.
Because 2007 BMW M6 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 2007 BMW M6. However, in wet, icy, snow, or gravel driving conditions, 1972 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, 2007 BMW M6 (520 Nm) has 289 more torque (in Nm) than 1972 Citroen SM. (231 Nm). This means 2007 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen SM. 2007 BMW M6 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. 2007 BMW M6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW M6 | 1972 Citroen SM | |
| Make | BMW | Citroen |
| Model | M6 | SM |
| Year Released | 2007 | 1972 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2668 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 500 HP | 180 HP |
| Torque | 520 Nm | 231 Nm |
| Engine Bore Size | 92 mm | 86.9 mm |
| Engine Stroke Size | 75.2 mm | 74.9 mm |
| Engine Compression Ratio | 12.0:1 | 9.0:1 |
| Top Speed | 250 km/hour | 218 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4880 mm | 4920 mm |
| Vehicle Width | 1380 mm | 1840 mm |
| Vehicle Height | 1860 mm | 1330 mm |
| Wheelbase Size | 2790 mm | 2960 mm |
