1996 Alfa Romeo 145 vs. 1972 Citroen SM
To start off, 1996 Alfa Romeo 145 is newer by 24 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 34 more horse power than 1996 Alfa Romeo 145. (139 HP @ 6300 RPM) In normal driving conditions, 1972 Citroen SM should accelerate faster than 1996 Alfa Romeo 145. With that said, vehicle weight also plays an important factor in acceleration. 1972 Citroen SM weights approximately 250 kg more than 1996 Alfa Romeo 145. 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 (237 Nm @ 4000 RPM) has 72 more torque (in Nm) than 1996 Alfa Romeo 145. (165 Nm @ 4000 RPM). This means 1972 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1996 Alfa Romeo 145.
Compare all specifications:
| 1996 Alfa Romeo 145 | 1972 Citroen SM | |
| Make | Alfa Romeo | Citroen |
| Model | 145 | SM |
| Year Released | 1996 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 2669 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 139 HP | 173 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 165 Nm | 237 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 87 mm |
| Engine Stroke Size | 82.7 mm | 75 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Weight | 1200 kg | 1450 kg |
| Vehicle Length | 4100 mm | 4900 mm |
| Vehicle Width | 1720 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2550 mm | 2960 mm |
