2008 Audi A4 vs. 1972 Citroen SM
To start off, 2008 Audi A4 is newer by 36 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 2,975 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine.
Because 2008 Audi A4 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, 2008 Audi A4 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, 2008 Audi A4 (300 Nm) has 69 more torque (in Nm) than 1972 Citroen SM. (231 Nm). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen SM.
Compare all specifications:
| 2008 Audi A4 | 1972 Citroen SM | |
| Make | Audi | Citroen |
| Model | A4 | SM |
| Year Released | 2008 | 1972 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 2668 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 0 HP | 180 HP |
| Torque | 300 Nm | 231 Nm |
| Engine Bore Size | 82.5 mm | 86.9 mm |
| Engine Stroke Size | 92.8 mm | 74.9 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Top Speed | 243 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 | 4580 mm | 4920 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1370 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2960 mm |
