1955 Austin A 55 vs. 1972 Citroen SM
To start off, 1972 Citroen SM is newer by 17 year(s). Which means there will be less support and parts availability for 1955 Austin A 55. In addition, the cost of maintenance, including insurance, on 1955 Austin A 55 would be higher. At 2,670 cc (6 cylinders), 1972 Citroen SM is equipped with a bigger engine. In terms of performance, 1972 Citroen SM (158 HP @ 5500 RPM) has 107 more horse power than 1955 Austin A 55. (51 HP @ 4250 RPM) In normal driving conditions, 1972 Citroen SM should accelerate faster than 1955 Austin A 55. With that said, vehicle weight also plays an important factor in acceleration. 1972 Citroen SM weights approximately 397 kg more than 1955 Austin A 55. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1955 Austin A 55 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 1955 Austin A 55. However, in wet, icy, snow, or gravel driving conditions, 1972 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, 1972 Citroen SM (235 Nm @ 4000 RPM) has 125 more torque (in Nm) than 1955 Austin A 55. (110 Nm @ 2000 RPM). This means 1972 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1955 Austin A 55.
Compare all specifications:
1955 Austin A 55 | 1972 Citroen SM | |
Make | Austin | Citroen |
Model | A 55 | SM |
Year Released | 1955 | 1972 |
Engine Position | Front | Front |
Engine Size | 1489 cc | 2670 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 51 HP | 158 HP |
Engine RPM | 4250 RPM | 5500 RPM |
Torque | 110 Nm | 235 Nm |
Torque RPM | 2000 RPM | 4000 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 4 seats |
Vehicle Weight | 1055 kg | 1452 kg |
Vehicle Length | 4250 mm | 4900 mm |
Vehicle Width | 1570 mm | 1850 mm |
Vehicle Height | 1570 mm | 1330 mm |
Wheelbase Size | 2530 mm | 2950 mm |