2004 Beijing BJ 2020 vs. 1973 Citroen SM
To start off, 2004 Beijing BJ 2020 is newer by 31 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 85 more horse power than 2004 Beijing BJ 2020. (86 HP @ 3800 RPM) In normal driving conditions, 1973 Citroen SM should accelerate faster than 2004 Beijing BJ 2020. With that said, vehicle weight also plays an important factor in acceleration. 2004 Beijing BJ 2020 weights approximately 130 kg more than 1973 Citroen SM.
Because 2004 Beijing BJ 2020 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2004 Beijing BJ 2020 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 64 more torque (in Nm) than 2004 Beijing BJ 2020. (173 Nm @ 3000 RPM). This means 1973 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2004 Beijing BJ 2020.
Compare all specifications:
| 2004 Beijing BJ 2020 | 1973 Citroen SM | |
| Make | Beijing | Citroen |
| Model | BJ 2020 | SM |
| Year Released | 2004 | 1973 |
| Engine Size | 2445 cc | 2670 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 86 HP | 171 HP |
| Engine RPM | 3800 RPM | 5500 RPM |
| Torque | 173 Nm | 237 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Vehicle Weight | 1580 kg | 1450 kg |
| Vehicle Length | 4020 mm | 4900 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1950 mm | 1330 mm |
| Wheelbase Size | 2310 mm | 2960 mm |
