1991 Audi Coupe vs. 1972 Citroen SM
To start off, 1991 Audi Coupe 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 2,770 cc (6 cylinders), 1991 Audi Coupe is equipped with a bigger engine. In terms of performance, 1972 Citroen SM (180 HP) has 6 more horse power than 1991 Audi Coupe. (174 HP) In normal driving conditions, 1972 Citroen SM should accelerate faster than 1991 Audi Coupe.
Because 1991 Audi Coupe 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, 1991 Audi Coupe 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, 1991 Audi Coupe (249 Nm) has 18 more torque (in Nm) than 1972 Citroen SM. (231 Nm). This means 1991 Audi Coupe will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen SM. 1991 Audi Coupe has automatic transmission and 1972 Citroen SM has manual transmission. 1972 Citroen SM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Audi Coupe will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi Coupe | 1972 Citroen SM | |
| Make | Audi | Citroen |
| Model | Coupe | SM |
| Year Released | 1991 | 1972 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2770 cc | 2668 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 174 HP | 180 HP |
| Torque | 249 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 |
| Top Speed | 206 km/hour | 218 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Length | 4370 mm | 4920 mm |
| Vehicle Width | 1720 mm | 1840 mm |
| Vehicle Height | 1380 mm | 1330 mm |
| Wheelbase Size | 2560 mm | 2960 mm |
