2015 GMC Sierra Denali gets Magnetic Shocks By Stephen Elmer Jun 23 2014 Share this Article Tweet The GMC Sierra Denali is the most expensive truck in GM’s stable, and the truck is getting more mechanical goodies to help it stay at the top. Continue Reading... Filed under: American Featured Articles GMC Technology TrucksTags: GMC, gmc denali, GMC Magnetic Ride Control, GMC Sierra, GMC Sierra Denali, GMC Sierra Magnetic Ride Control, magnetic ride control, New GMC Sierra, sierra denali