1981 Audi UR vs. 1973 Citroen SM
To start off, 1981 Audi UR is newer by 8 year(s). Which means there will be less support and parts availability for 1973 Citroen SM. In addition, the cost of maintenance, including insurance, on 1973 Citroen SM would be higher. At 2,965 cc (6 cylinders), 1973 Citroen SM is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP @ 5800 RPM) has 20 more horse power than 1973 Citroen SM. (177 HP @ 6500 RPM). In normal driving conditions, 1981 Audi UR should accelerate faster than 1973 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 1973 Citroen SM weights approximately 180 kg more than 1981 Audi UR.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1973 Citroen SM. In wet, icy, snow, or gravel driving conditions, 1981 Audi UR 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.
Compare all specifications:
| 1981 Audi UR | 1973 Citroen SM | |
| Make | Audi | Citroen |
| Model | UR | SM |
| Year Released | 1981 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2965 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 177 HP |
| Engine RPM | 5800 RPM | 6500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1300 kg | 1480 kg |
| Vehicle Length | 4430 mm | 4900 mm |
| Vehicle Width | 1690 mm | 1850 mm |
| Vehicle Height | 1390 mm | 1330 mm |
| Wheelbase Size | 2530 mm | 2960 mm |
