1974 Citroen SM vs. 2001 Mercedes-Benz A
To start off, 2001 Mercedes-Benz A is newer by 27 year(s). Which means there will be less support and parts availability for 1974 Citroen SM. In addition, the cost of maintenance, including insurance, on 1974 Citroen SM would be higher. At 2,670 cc (6 cylinders), 1974 Citroen SM is equipped with a bigger engine. In terms of performance, 1974 Citroen SM (170 HP @ 5500 RPM) has 75 more horse power than 2001 Mercedes-Benz A. (95 HP @ 4200 RPM). In normal driving conditions, 1974 Citroen SM should accelerate faster than 2001 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 1974 Citroen SM weights approximately 345 kg more than 2001 Mercedes-Benz A. 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, 1974 Citroen SM (237 Nm @ 4000 RPM) has 51 more torque (in Nm) than 2001 Mercedes-Benz A. (186 Nm @ 1600 RPM). This means 1974 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2001 Mercedes-Benz A.
Compare all specifications:
| 1974 Citroen SM | 2001 Mercedes-Benz A | |
| Make | Citroen | Mercedes-Benz |
| Model | SM | A |
| Year Released | 1974 | 2001 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1689 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 95 HP |
| Engine RPM | 5500 RPM | 4200 RPM |
| Torque | 237 Nm | 186 Nm |
| Torque RPM | 4000 RPM | 1600 RPM |
| Engine Bore Size | 87.1 mm | 80 mm |
| Engine Stroke Size | 75 mm | 84 mm |
| Engine Compression Ratio | 9.0:1 | 19.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1105 kg |
| Vehicle Length | 4900 mm | 3610 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1330 mm | 1580 mm |
| Wheelbase Size | 2960 mm | 2430 mm |
| Fuel Tank Capacity | 25 L | 54 L |
