1973 Citroen SM vs. 2009 Audi A6
To start off, 2009 Audi A6 is newer by 36 year(s). Which means there will be less support and parts availability for 1973 Citroen SM. In addition, the cost of maintenance, including insurance, on 1973 Citroen SM would be higher. At 2,976 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (218 HP @ 6300 RPM) has 41 more horse power than 1973 Citroen SM. (177 HP @ 6500 RPM) In normal driving conditions, 2009 Audi A6 should accelerate faster than 1973 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 165 kg more than 1973 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2009 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.
Compare all specifications:
| 1973 Citroen SM | 2009 Audi A6 | |
| Make | Citroen | Audi |
| Model | SM | A6 |
| Year Released | 1973 | 2009 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 2976 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 177 HP | 218 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1480 kg | 1645 kg |
| Vehicle Length | 4900 mm | 4800 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1330 mm | 1460 mm |
| Wheelbase Size | 2960 mm | 2770 mm |
