1973 Citroen SM vs. 1966 Innocenti A 40
To start off, 1973 Citroen SM is newer by 7 year(s). Which means there will be less support and parts availability for 1966 Innocenti A 40. In addition, the cost of maintenance, including insurance, on 1966 Innocenti A 40 would be higher. At 2,965 cc (6 cylinders), 1973 Citroen SM is equipped with a bigger engine. In terms of performance, 1973 Citroen SM (177 HP @ 6500 RPM) has 134 more horse power than 1966 Innocenti A 40. (43 HP @ 5100 RPM). In normal driving conditions, 1973 Citroen SM should accelerate faster than 1966 Innocenti A 40. With that said, vehicle weight also plays an important factor in acceleration. 1973 Citroen SM weights approximately 680 kg more than 1966 Innocenti A 40. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1966 Innocenti A 40 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 1966 Innocenti A 40. However, in wet, icy, snow, or gravel driving conditions, 1973 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.
Compare all specifications:
| 1973 Citroen SM | 1966 Innocenti A 40 | |
| Make | Citroen | Innocenti |
| Model | SM | A 40 |
| Year Released | 1973 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 1098 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 177 HP | 43 HP |
| Engine RPM | 6500 RPM | 5100 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Vehicle Weight | 1480 kg | 800 kg |
| Vehicle Length | 4900 mm | 3720 mm |
| Vehicle Width | 1850 mm | 1520 mm |
| Vehicle Height | 1330 mm | 1450 mm |
| Wheelbase Size | 2960 mm | 2220 mm |
