1973 Citroen SM vs. 2005 GMC Sierra

To start off, 2005 GMC Sierra is newer by 32 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 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP) has 141 more horse power than 1973 Citroen SM. (180 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1973 Citroen SM.

Because 2005 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, 2005 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. Let's talk about torque, 2005 GMC Sierra (370 Nm) has 137 more torque (in Nm) than 1973 Citroen SM. (233 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM. 2005 GMC Sierra has automatic transmission and 1973 Citroen SM has manual transmission. 1973 Citroen SM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 GMC Sierra will be easier to drive especially in heavy traffic.

Compare all specifications: