1973 Citroen SM vs. 2011 Subaru Impreza
To start off, 2011 Subaru Impreza is newer by 38 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 65 more horse power than 2011 Subaru Impreza. (106 HP @ 6000 RPM). In normal driving conditions, 1973 Citroen SM should accelerate faster than 2011 Subaru Impreza. With that said, vehicle weight also plays an important factor in acceleration. 1973 Citroen SM weights approximately 140 kg more than 2011 Subaru Impreza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Subaru Impreza is all wheel drive (AWD), it will have significant more traction and grip than 1973 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2011 Subaru Impreza 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. Let's talk about torque, 1973 Citroen SM (237 Nm @ 4000 RPM) has 95 more torque (in Nm) than 2011 Subaru Impreza. (142 Nm @ 3200 RPM). This means 1973 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2011 Subaru Impreza.
Compare all specifications:
| 1973 Citroen SM | 2011 Subaru Impreza | |
| Make | Citroen | Subaru |
| Model | SM | Impreza |
| Year Released | 1973 | 2011 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1498 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 171 HP | 106 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 237 Nm | 142 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 87 mm | 77.7 mm |
| Engine Stroke Size | 75 mm | 79 mm |
| Engine Compression Ratio | 9.0:1 | 10.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1310 kg |
| Vehicle Length | 4900 mm | 4415 mm |
| Vehicle Width | 1850 mm | 1740 mm |
| Vehicle Height | 1330 mm | 1476 mm |
| Wheelbase Size | 2960 mm | 2619 mm |
| Fuel Tank Capacity | 25 L | 64 L |
