1971 Citroen SM vs. 2000 Citroen Xsara
To start off, 2000 Citroen Xsara is newer by 29 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, 1971 Citroen SM (158 HP @ 5500 RPM) has 88 more horse power than 2000 Citroen Xsara. (70 HP @ 4600 RPM). In normal driving conditions, 1971 Citroen SM should accelerate faster than 2000 Citroen Xsara. With that said, vehicle weight also plays an important factor in acceleration. 1971 Citroen SM weights approximately 340 kg more than 2000 Citroen Xsara. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1971 Citroen SM (235 Nm @ 4000 RPM) has 107 more torque (in Nm) than 2000 Citroen Xsara. (128 Nm @ 2500 RPM). This means 1971 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2000 Citroen Xsara.
Compare all specifications:
| 1971 Citroen SM | 2000 Citroen Xsara | |
| Make | Citroen | Citroen |
| Model | SM | Xsara |
| Year Released | 1971 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1868 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 158 HP | 70 HP |
| Engine RPM | 5500 RPM | 4600 RPM |
| Torque | 235 Nm | 128 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 87 mm | 82.2 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1450 kg | 1110 kg |
| Vehicle Length | 4900 mm | 4380 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1330 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2550 mm |
