2007 Audi S3 vs. 1972 Citroen SM
To start off, 2007 Audi S3 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 2,669 cc (6 cylinders), 1972 Citroen SM is equipped with a bigger engine. In terms of performance, 2007 Audi S3 (262 HP @ 6000 RPM) has 89 more horse power than 1972 Citroen SM. (173 HP @ 5500 RPM). In normal driving conditions, 2007 Audi S3 should accelerate faster than 1972 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S3 weights approximately 5 kg more than 1972 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S3 is four wheel drive (4WD), it will have significant more traction and grip than 1972 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2007 Audi S3 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 S3 (350 Nm @ 2500 RPM) has 113 more torque (in Nm) than 1972 Citroen SM. (237 Nm @ 4000 RPM). This means 2007 Audi S3 will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen SM.
Compare all specifications:
| 2007 Audi S3 | 1972 Citroen SM | |
| Make | Audi | Citroen |
| Model | S3 | SM |
| Year Released | 2007 | 1972 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2669 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 262 HP | 173 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 350 Nm | 237 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 87 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1455 kg | 1450 kg |
| Vehicle Length | 4210 mm | 4900 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1410 mm | 1330 mm |
| Wheelbase Size | 2580 mm | 2960 mm |
| Fuel Tank Capacity | 60 L | 25 L |
