2007 Audi S8 vs. 1972 Citroen SM
To start off, 2007 Audi S8 is newer by 35 year(s). Which means there will be less support and parts availability for 1972 Citroen SM. In addition, the cost of maintenance, including insurance, on 1972 Citroen SM would be higher. At 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (450 HP @ 7000 RPM) has 277 more horse power than 1972 Citroen SM. (173 HP @ 5500 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 1972 Citroen SM.
Because 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1972 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2007 Audi S8 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, 2007 Audi S8 (541 Nm @ 3500 RPM) has 304 more torque (in Nm) than 1972 Citroen SM. (237 Nm @ 4000 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen SM.
Compare all specifications:
| 2007 Audi S8 | 1972 Citroen SM | |
| Make | Audi | Citroen |
| Model | S8 | SM |
| Year Released | 2007 | 1972 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2669 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 450 HP | 173 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 541 Nm | 237 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 87 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | AWD | Front |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 5070 mm | 4900 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2950 mm | 2960 mm |
| Fuel Tank Capacity | 90 L | 25 L |
