1991 Audi 100 vs. 1972 Citroen SM
To start off, 1991 Audi 100 is newer by 19 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 2,668 cc (6 cylinders), 1972 Citroen SM is equipped with a bigger engine. In terms of performance, 1972 Citroen SM (180 HP) has 49 more horse power than 1991 Audi 100. (131 HP) In normal driving conditions, 1972 Citroen SM should accelerate faster than 1991 Audi 100.
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, 1972 Citroen SM (231 Nm) has 45 more torque (in Nm) than 1991 Audi 100. (186 Nm). This means 1972 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 1972 Citroen SM | |
| Make | Audi | Citroen |
| Model | 100 | SM |
| Year Released | 1991 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2668 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 131 HP | 180 HP |
| Torque | 186 Nm | 231 Nm |
| Engine Bore Size | 82.5 mm | 86.9 mm |
| Engine Stroke Size | 86.4 mm | 74.9 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4800 mm | 4920 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1450 mm | 1330 mm |
