1974 Citroen SM vs. 2007 Mazda 6
To start off, 2007 Mazda 6 is newer by 33 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 14 more horse power than 2007 Mazda 6. (156 HP @ 6500 RPM). In normal driving conditions, 1974 Citroen SM should accelerate faster than 2007 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 1974 Citroen SM weights approximately 69 kg more than 2007 Mazda 6. 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 28 more torque (in Nm) than 2007 Mazda 6. (209 Nm @ 4000 RPM). This means 1974 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2007 Mazda 6.
Compare all specifications:
| 1974 Citroen SM | 2007 Mazda 6 | |
| Make | Citroen | Mazda |
| Model | SM | 6 |
| Year Released | 1974 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 2258 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 170 HP | 156 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 237 Nm | 209 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 87.1 mm | 87.5 mm |
| Engine Stroke Size | 75 mm | 94 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1381 kg |
| Vehicle Length | 4900 mm | 4750 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1330 mm | 1450 mm |
| Wheelbase Size | 2960 mm | 2680 mm |
| Fuel Tank Capacity | 25 L | 68 L |
