2006 Audi A6 vs. 1972 Citroen SM
To start off, 2006 Audi A6 is newer by 34 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 2,668 cc (6 cylinders), 1972 Citroen SM is equipped with a bigger engine. In terms of performance, 1972 Citroen SM (180 HP) has 5 more horse power than 2006 Audi A6. (175 HP) In normal driving conditions, 1972 Citroen SM should accelerate faster than 2006 Audi A6.
Because 2006 Audi A6 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, 2006 Audi A6 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, 1972 Citroen SM (231 Nm) has 1 more torque (in Nm) than 2006 Audi A6. (230 Nm). This means 1972 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 2006 Audi A6 | 1972 Citroen SM | |
| Make | Audi | Citroen |
| Model | A6 | SM |
| Year Released | 2006 | 1972 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2668 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 175 HP | 180 HP |
| Torque | 230 Nm | 231 Nm |
| Engine Bore Size | 81 mm | 86.9 mm |
| Engine Stroke Size | 77.4 mm | 74.9 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Top Speed | 230 km/hour | 218 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4800 mm | 4920 mm |
| Vehicle Width | 1820 mm | 1840 mm |
| Vehicle Height | 1460 mm | 1330 mm |
| Wheelbase Size | 2770 mm | 2960 mm |
