1972 Citroen SM vs. 1988 Alfa Romeo 164
To start off, 1988 Alfa Romeo 164 is newer by 16 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 2,669 cc (6 cylinders), 1972 Citroen SM is equipped with a bigger engine. In terms of performance, 1972 Citroen SM (173 HP @ 5500 RPM) has 50 more horse power than 1988 Alfa Romeo 164. (123 HP @ 4200 RPM). In normal driving conditions, 1972 Citroen SM should accelerate faster than 1988 Alfa Romeo 164. With that said, vehicle weight also plays an important factor in acceleration. 1988 Alfa Romeo 164 weights approximately 40 kg more than 1972 Citroen SM.
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, 1988 Alfa Romeo 164 (294 Nm @ 2000 RPM) has 57 more torque (in Nm) than 1972 Citroen SM. (237 Nm @ 4000 RPM). This means 1988 Alfa Romeo 164 will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen SM.
Compare all specifications:
| 1972 Citroen SM | 1988 Alfa Romeo 164 | |
| Make | Citroen | Alfa Romeo |
| Model | SM | 164 |
| Year Released | 1972 | 1988 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2669 cc | 2500 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 173 HP | 123 HP |
| Engine RPM | 5500 RPM | 4200 RPM |
| Torque | 237 Nm | 294 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Compression Ratio | 9.0:1 | 22.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1490 kg |
| Vehicle Length | 4900 mm | 4560 mm |
| Vehicle Width | 1850 mm | 1770 mm |
| Vehicle Height | 1330 mm | 1410 mm |
| Wheelbase Size | 2960 mm | 2670 mm |
| Fuel Tank Capacity | 25 L | 70 L |
