1973 Citroen SM vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 33 year(s). Which means there will be less support and parts availability for 1973 Citroen SM. In addition, the cost of maintenance, including insurance, on 1973 Citroen SM would be higher. At 5,996 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (345 HP @ 5200 RPM) has 168 more horse power than 1973 Citroen SM. (177 HP @ 6500 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1973 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 998 kg more than 1973 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1973 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2006 GMC Sierra will offer significantly more control. 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 | 2006 GMC Sierra | |
| Make | Citroen | GMC |
| Model | SM | Sierra |
| Year Released | 1973 | 2006 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 5996 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 177 HP | 345 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1480 kg | 2478 kg |
| Vehicle Length | 4900 mm | 5850 mm |
| Vehicle Width | 1850 mm | 2000 mm |
| Vehicle Height | 1330 mm | 1910 mm |
| Wheelbase Size | 2960 mm | 3650 mm |
