1989 Audi 100 vs. 1973 Citroen SM
To start off, 1989 Audi 100 is newer by 16 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 2,670 cc (6 cylinders), 1973 Citroen SM is equipped with a bigger engine. In terms of performance, 1973 Citroen SM (171 HP @ 5500 RPM) has 90 more horse power than 1989 Audi 100. (81 HP @ 4400 RPM) In normal driving conditions, 1973 Citroen SM should accelerate faster than 1989 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1973 Citroen SM weights approximately 150 kg more than 1989 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1973 Citroen SM (237 Nm @ 4000 RPM) has 70 more torque (in Nm) than 1989 Audi 100. (167 Nm @ 2400 RPM). This means 1973 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1989 Audi 100.
Compare all specifications:
| 1989 Audi 100 | 1973 Citroen SM | |
| Make | Audi | Citroen |
| Model | 100 | SM |
| Year Released | 1989 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2370 cc | 2670 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 81 HP | 171 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Torque | 167 Nm | 237 Nm |
| Torque RPM | 2400 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1300 kg | 1450 kg |
| Vehicle Length | 4800 mm | 4900 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2700 mm | 2960 mm |
