1971 Citroen SM vs. 2007 Peugeot 307
To start off, 2007 Peugeot 307 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) has 50 more horse power than 2007 Peugeot 307. (108 HP). In normal driving conditions, 1971 Citroen SM should accelerate faster than 2007 Peugeot 307. With that said, vehicle weight also plays an important factor in acceleration. 1971 Citroen SM weights approximately 106 kg more than 2007 Peugeot 307. 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, 1971 Citroen SM (235 Nm @ 4000 RPM) has 88 more torque (in Nm) than 2007 Peugeot 307. (147 Nm @ 4000 RPM). This means 1971 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2007 Peugeot 307.
Compare all specifications:
| 1971 Citroen SM | 2007 Peugeot 307 | |
| Make | Citroen | Peugeot |
| Model | SM | 307 |
| Year Released | 1971 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1585 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 108 HP |
| Torque | 235 Nm | 147 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 87 mm | 78.5 mm |
| Engine Stroke Size | 75 mm | 82 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1344 kg |
| Vehicle Length | 4900 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1330 mm | 1540 mm |
| Wheelbase Size | 2950 mm | 2710 mm |
| Fuel Tank Capacity | 89 L | 60 L |
