2009 Alfa Romeo 159 vs. 1972 Citroen SM
To start off, 2009 Alfa Romeo 159 is newer by 37 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 3,195 cc (6 cylinders), 2009 Alfa Romeo 159 is equipped with a bigger engine. In terms of performance, 2009 Alfa Romeo 159 (256 HP) has 76 more horse power than 1972 Citroen SM. (180 HP). In normal driving conditions, 2009 Alfa Romeo 159 should accelerate faster than 1972 Citroen SM.
Because 2009 Alfa Romeo 159 is four wheel drive (4WD), it will have significant more traction and grip than 1972 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2009 Alfa Romeo 159 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, 2009 Alfa Romeo 159 (322 Nm) has 91 more torque (in Nm) than 1972 Citroen SM. (231 Nm). This means 2009 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen SM.
Compare all specifications:
| 2009 Alfa Romeo 159 | 1972 Citroen SM | |
| Make | Alfa Romeo | Citroen |
| Model | 159 | SM |
| Year Released | 2009 | 1972 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3195 cc | 2668 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 256 HP | 180 HP |
| Torque | 322 Nm | 231 Nm |
| Engine Compression Ratio | 11.3:1 | 9.0:1 |
| Top Speed | 240 km/hour | 218 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4670 mm | 4920 mm |
| Vehicle Width | 1830 mm | 1840 mm |
| Vehicle Height | 1420 mm | 1330 mm |
| Wheelbase Size | 2710 mm | 2960 mm |
