Heavy-Duty Trailering Package (Auxiliary External Transmission Oil Cooler and Heavy-Duty Air-to-Oil External Engine Oil Cooler), SLT-2 Equipment Package (2nd Row Power Seat Release Only, Body-Color Power-Adjustable Heated Outside Mirrors, Heated 2nd Row Seats, and Rear Power-Operated Liftgate), Alloy wheels, and Rear-Seat DVD Player Entertainment System. If you are looking for a one-owner SUV, try this wonderful 2012 GMC Yukon and rest assured knowing that the previous owner took wonderful care of it. The early bird catches the worm. This Yukon is fast enough to make sure you always get that worm.