1980 Alfa Romeo Alfasud vs. 1972 Citroen SM
To start off, 1980 Alfa Romeo Alfasud is newer by 8 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, 1972 Citroen SM (158 HP @ 5500 RPM) has 74 more horse power than 1980 Alfa Romeo Alfasud. (84 HP @ 5800 RPM) In normal driving conditions, 1972 Citroen SM should accelerate faster than 1980 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 1972 Citroen SM weights approximately 537 kg more than 1980 Alfa Romeo Alfasud. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1972 Citroen SM (235 Nm @ 4000 RPM) has 115 more torque (in Nm) than 1980 Alfa Romeo Alfasud. (120 Nm @ 4000 RPM). This means 1972 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1980 Alfa Romeo Alfasud.
Compare all specifications:
| 1980 Alfa Romeo Alfasud | 1972 Citroen SM | |
| Make | Alfa Romeo | Citroen |
| Model | Alfasud | SM |
| Year Released | 1980 | 1972 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1351 cc | 2670 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 84 HP | 158 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 120 Nm | 235 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 87 mm |
| Engine Stroke Size | 67.2 mm | 75 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 915 kg | 1452 kg |
| Vehicle Length | 4030 mm | 4900 mm |
| Vehicle Width | 1630 mm | 1850 mm |
| Vehicle Height | 1310 mm | 1330 mm |
| Wheelbase Size | 2460 mm | 2950 mm |
| Fuel Tank Capacity | 50 L | 89 L |
