1957 Alfa Romeo 1900 vs. 1972 Citroen SM
To start off, 1972 Citroen SM is newer by 15 year(s). Which means there will be less support and parts availability for 1957 Alfa Romeo 1900. In addition, the cost of maintenance, including insurance, on 1957 Alfa Romeo 1900 would be higher. At 2,670 cc (6 cylinders), 1972 Citroen SM is equipped with a bigger engine. In terms of performance, 1972 Citroen SM (158 HP @ 5500 RPM) has 44 more horse power than 1957 Alfa Romeo 1900. (114 HP @ 5500 RPM) In normal driving conditions, 1972 Citroen SM should accelerate faster than 1957 Alfa Romeo 1900. With that said, vehicle weight also plays an important factor in acceleration. 1972 Citroen SM weights approximately 502 kg more than 1957 Alfa Romeo 1900. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1957 Alfa Romeo 1900 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 1957 Alfa Romeo 1900. 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.
Compare all specifications:
| 1957 Alfa Romeo 1900 | 1972 Citroen SM | |
| Make | Alfa Romeo | Citroen |
| Model | 1900 | SM |
| Year Released | 1957 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 1975 cc | 2670 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 114 HP | 158 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Engine Bore Size | 84.5 mm | 87 mm |
| Engine Stroke Size | 88 mm | 75 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 950 kg | 1452 kg |
| Vehicle Length | 4410 mm | 4900 mm |
| Vehicle Width | 1640 mm | 1850 mm |
| Vehicle Height | 1360 mm | 1330 mm |
| Wheelbase Size | 2510 mm | 2950 mm |
