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 (178 HP @ 5500 RPM) has 8 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 65 kg more than 2005 Audi TT.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1974 Citroen SM (237 Nm @ 4000 RPM) has 2 more torque (in Nm) than 2005 Audi TT. (235 Nm @ 1950 RPM). This means 1974 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi TT.
Compare all specifications:
| 2005 Audi TT | 1974 Citroen SM | |
| Make | Audi | Citroen |
| Model | TT | SM |
| Year Released | 2005 | 1974 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 2670 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 178 HP | 170 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 235 Nm | 237 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 87.1 mm |
| Engine Stroke Size | 86.4 mm | 75 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1385 kg | 1450 kg |
| Vehicle Length | 4050 mm | 4900 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1360 mm | 1330 mm |
| Wheelbase Size | 2470 mm | 2960 mm |
| Fuel Tank Capacity | 55 L | 25 L |
