1973 Citroen SM vs. 1989 Dodge Viper
To start off, 1989 Dodge Viper 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 7,994 cc (10 cylinders), 1989 Dodge Viper is equipped with a bigger engine. In terms of performance, 1989 Dodge Viper (400 HP) has 220 more horse power than 1973 Citroen SM. (180 HP) In normal driving conditions, 1989 Dodge Viper should accelerate faster than 1973 Citroen SM.
Because 1989 Dodge Viper is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1989 Dodge Viper. However, in wet, icy, snow, or gravel driving conditions, 1973 Citroen SM, being front wheel drive (FWD), will offer much better control with better grip. 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, 1989 Dodge Viper (610 Nm) has 377 more torque (in Nm) than 1973 Citroen SM. (233 Nm). This means 1989 Dodge Viper will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM.
Compare all specifications:
| 1973 Citroen SM | 1989 Dodge Viper | |
| Make | Citroen | Dodge |
| Model | SM | Viper |
| Year Released | 1973 | 1989 |
| Body Type | Coupe | Roadster |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 7994 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Horse Power | 180 HP | 400 HP |
| Torque | 233 Nm | 610 Nm |
| Engine Bore Size | 86.9 mm | 101.6 mm |
| Engine Stroke Size | 74.9 mm | 98.6 mm |
| Engine Compression Ratio | 9.0:1 | 9.1:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4920 mm | 4380 mm |
| Vehicle Width | 1840 mm | 1930 mm |
| Vehicle Height | 1330 mm | 1180 mm |
| Wheelbase Size | 2960 mm | 2450 mm |
