2009 Audi TT vs. 1973 Citroen SM
To start off, 2009 Audi TT 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 2,670 cc (6 cylinders), 1973 Citroen SM is equipped with a bigger engine. In terms of performance, 1973 Citroen SM (180 HP) has 12 more horse power than 2009 Audi TT. (168 HP) In normal driving conditions, 1973 Citroen SM should accelerate faster than 2009 Audi TT.
Because 2009 Audi TT 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 TT 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 Audi TT (350 Nm) has 117 more torque (in Nm) than 1973 Citroen SM. (233 Nm). This means 2009 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM.
Compare all specifications:
| 2009 Audi TT | 1973 Citroen SM | |
| Make | Audi | Citroen |
| Model | TT | SM |
| Year Released | 2009 | 1973 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2670 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 168 HP | 180 HP |
| Torque | 350 Nm | 233 Nm |
| Engine Bore Size | 81.1 mm | 86.9 mm |
| Engine Stroke Size | 95.5 mm | 74.9 mm |
| Engine Compression Ratio | 16.5:1 | 9.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4180 mm | 4920 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1360 mm | 1330 mm |
| Wheelbase Size | 2470 mm | 2960 mm |
