1971 Citroen SM vs. 2006 Subaru Outback
To start off, 2006 Subaru Outback is newer by 35 year(s). Which means there will be less support and parts availability for 1971 Citroen SM. In addition, the cost of maintenance, including insurance, on 1971 Citroen SM would be higher. At 2,670 cc (6 cylinders), 1971 Citroen SM is equipped with a bigger engine. In terms of performance, 2006 Subaru Outback (175 HP @ 5600 RPM) has 17 more horse power than 1971 Citroen SM. (158 HP @ 5500 RPM) In normal driving conditions, 2006 Subaru Outback should accelerate faster than 1971 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2006 Subaru Outback weights approximately 56 kg more than 1971 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Subaru Outback is four wheel drive (4WD), it will have significant more traction and grip than 1971 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2006 Subaru Outback 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, 1971 Citroen SM (235 Nm @ 4000 RPM) has 6 more torque (in Nm) than 2006 Subaru Outback. (229 Nm @ 4400 RPM). This means 1971 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2006 Subaru Outback.
Compare all specifications:
| 1971 Citroen SM | 2006 Subaru Outback | |
| Make | Citroen | Subaru |
| Model | SM | Outback |
| Year Released | 1971 | 2006 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 2499 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 175 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 235 Nm | 229 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 87 mm | 100 mm |
| Engine Stroke Size | 75 mm | 79 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1506 kg |
| Vehicle Length | 4900 mm | 4800 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1330 mm | 1510 mm |
| Wheelbase Size | 2950 mm | 2680 mm |
| Fuel Tank Capacity | 89 L | 64 L |
