1971 Citroen SM vs. 1999 Honda S-MX
To start off, 1999 Honda S-MX is newer by 28 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 29 more horse power than 1999 Honda S-MX. (129 HP @ 5500 RPM). In normal driving conditions, 1971 Citroen SM should accelerate faster than 1999 Honda S-MX. With that said, vehicle weight also plays an important factor in acceleration. 1971 Citroen SM weights approximately 120 kg more than 1999 Honda S-MX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Honda S-MX 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, 1999 Honda S-MX 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 45 more torque (in Nm) than 1999 Honda S-MX. (190 Nm @ 4200 RPM). This means 1971 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1999 Honda S-MX.
Compare all specifications:
| 1971 Citroen SM | 1999 Honda S-MX | |
| Make | Citroen | Honda |
| Model | SM | S-MX |
| Year Released | 1971 | 1999 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1972 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 129 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 235 Nm | 190 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Engine Bore Size | 87 mm | 85 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1450 kg | 1330 kg |
| Vehicle Length | 4900 mm | 3960 mm |
| Vehicle Width | 1850 mm | 1700 mm |
| Vehicle Height | 1330 mm | 1760 mm |
| Wheelbase Size | 2950 mm | 2510 mm |
