2006 Audi A4 vs. 1973 Citroen SM
To start off, 2006 Audi A4 is newer by 33 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 3,129 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (255 HP) has 75 more horse power than 1973 Citroen SM. (180 HP). In normal driving conditions, 2006 Audi A4 should accelerate faster than 1973 Citroen SM.
Because 2006 Audi A4 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, 2006 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, 2006 Audi A4 (330 Nm) has 97 more torque (in Nm) than 1973 Citroen SM. (233 Nm). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM.
Compare all specifications:
| 2006 Audi A4 | 1973 Citroen SM | |
| Make | Audi | Citroen |
| Model | A4 | SM |
| Year Released | 2006 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 2670 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 255 HP | 180 HP |
| Torque | 330 Nm | 233 Nm |
| Engine Bore Size | 84.5 mm | 86.9 mm |
| Engine Stroke Size | 92.8 mm | 74.9 mm |
| Drive Type | 4WD | Front |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4590 mm | 4920 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2960 mm |
