2005 Audi TT vs. 1974 Citroen SM
To start off, 2005 Audi TT is newer by 31 year(s). Which means there will be less support and parts availability for 1974 Citroen SM. In addition, the cost of maintenance, including insurance, on 1974 Citroen SM would be higher. At 2,670 cc (6 cylinders), 1974 Citroen SM is equipped with a bigger engine. In terms of performance, 2005 Audi TT (247 HP @ 5700 RPM) has 77 more horse power than 1974 Citroen SM. (170 HP @ 5500 RPM). In normal driving conditions, 2005 Audi TT should accelerate faster than 1974 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 1974 Citroen SM weights approximately 60 kg more than 2005 Audi TT.
Because 2005 Audi TT is four wheel drive (4WD), it will have significant more traction and grip than 1974 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi TT (321 Nm @ 2300 RPM) has 84 more torque (in Nm) than 1974 Citroen SM. (237 Nm @ 4000 RPM). This means 2005 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1974 Citroen SM.
Compare all specifications:
| 2005 Audi TT | 1974 Citroen SM | |
| Make | Audi | Citroen |
| Model | TT | SM |
| Year Released | 2005 | 1974 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2670 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 247 HP | 170 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 321 Nm | 237 Nm |
| Torque RPM | 2300 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 87.1 mm |
| Engine Stroke Size | 86.4 mm | 75 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1390 kg | 1450 kg |
| Vehicle Length | 4050 mm | 4900 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1350 mm | 1330 mm |
| Wheelbase Size | 2440 mm | 2960 mm |
| Fuel Tank Capacity | 62 L | 25 L |
