1972 Citroen SM vs. 2012 BMW X1
To start off, 2012 BMW X1 is newer by 40 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 2,670 cc (6 cylinders), 1972 Citroen SM is equipped with a bigger engine. In terms of performance, 2012 BMW X1 (176 HP @ 4000 RPM) has 18 more horse power than 1972 Citroen SM. (158 HP @ 5500 RPM) In normal driving conditions, 2012 BMW X1 should accelerate faster than 1972 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X1 weights approximately 113 kg more than 1972 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 BMW X1 is all wheel drive (AWD), it will have significant more traction and grip than 1972 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2012 BMW X1 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, 2012 BMW X1 (350 Nm @ 3000 RPM) has 115 more torque (in Nm) than 1972 Citroen SM. (235 Nm @ 4000 RPM). This means 2012 BMW X1 will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen SM. 2012 BMW X1 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. 2012 BMW X1 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1972 Citroen SM | 2012 BMW X1 | |
| Make | Citroen | BMW |
| Model | SM | X1 |
| Year Released | 1972 | 2012 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 176 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 235 Nm | 350 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 87 mm | 90 mm |
| Engine Stroke Size | 75 mm | 84 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1452 kg | 1565 kg |
| Vehicle Length | 4900 mm | 4454 mm |
| Vehicle Width | 1850 mm | 1798 mm |
| Vehicle Height | 1330 mm | 1545 mm |
| Wheelbase Size | 2950 mm | 2760 mm |
| Fuel Tank Capacity | 89 L | 61 L |
