1973 Citroen SM vs. 1979 Vauxhall Astra
To start off, 1979 Vauxhall Astra is newer by 6 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 (180 HP) has 106 more horse power than 1979 Vauxhall Astra. (74 HP). In normal driving conditions, 1973 Citroen SM should accelerate faster than 1979 Vauxhall Astra.
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 (233 Nm) has 132 more torque (in Nm) than 1979 Vauxhall Astra. (101 Nm). This means 1973 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1979 Vauxhall Astra. 1979 Vauxhall Astra has automatic transmission and 1973 Citroen SM has manual transmission. 1973 Citroen SM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1979 Vauxhall Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Citroen SM | 1979 Vauxhall Astra | |
| Make | Citroen | Vauxhall |
| Model | SM | Astra |
| Year Released | 1973 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1296 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 180 HP | 74 HP |
| Torque | 233 Nm | 101 Nm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Length | 4920 mm | 4010 mm |
| Vehicle Width | 1840 mm | 1650 mm |
| Vehicle Height | 1330 mm | 1340 mm |
| Wheelbase Size | 2960 mm | 2520 mm |
