The standard features of the GMC Yukon Denali include Vortec 6.2L V-8 403HP engine, 6-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), curtain 1st, 2nd and 3rd row overhead airbag, airbag occupancy sensor, automatic air conditioning, 20" aluminum wheels, cruise control, ABS and driveline traction control, all-wheel drive, and a StabiliTrak w/Proactive Roll Avoidance stability control.