2018 GMC Yukon Denali is a SUV model with 10-speed shiftable automatic transmission. This is a rear wheel drive model With a power of 420 HP and 460.00 ft lbs of torque. An urban consumption is 14.00 MPG. The engine has a capacity of 6.20L with V8 cylinders. To view detailed specifications like fuel consumption and dimensions, please scroll below.