GMC presented the 2015 Sierra Denali with the main change being the addition of the magnetic suspension. It is the first car in its class equipped with a magnetic suspension, while it also features the Siri Eyes Free system, the new OnStar 4G LTE and an integrated Wi-Fi hotspot with three months free package of 3 GB.
It will be available with either a V8 5,3 liter 355 hp engine with 518 Nm of torque, or a V8 6,2 liter 420 hp engine with 623 Nm of torque.
