1971 Citroen SM vs. 2007 Mercedes-Benz C
To start off, 2007 Mercedes-Benz C is newer by 36 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 17 more horse power than 2007 Mercedes-Benz C. (141 HP @ 5200 RPM). In normal driving conditions, 1971 Citroen SM should accelerate faster than 2007 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz C weights approximately 80 kg more than 1971 Citroen SM.
Because 2007 Mercedes-Benz C is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 1971 Citroen SM, being front wheel drive (FWD), will offer much better control with better grip. 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 15 more torque (in Nm) than 2007 Mercedes-Benz C. (220 Nm @ 2500 RPM). This means 1971 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz C.
Compare all specifications:
| 1971 Citroen SM | 2007 Mercedes-Benz C | |
| Make | Citroen | Mercedes-Benz |
| Model | SM | C |
| Year Released | 1971 | 2007 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 141 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 235 Nm | 220 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 87 mm | 82 mm |
| Engine Stroke Size | 75 mm | 85 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1530 kg |
| Vehicle Length | 4900 mm | 4550 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2720 mm |
| Fuel Tank Capacity | 89 L | 62 L |
