So this truly is my loss your gain!,… 1 owner, 2015 GMC all-terrain, fully loaded with every option you can get, at the time I bought this truck it was the only all-terrain package within a 500 mile radius of me, could've chose the Denali but knowing what I was going to do with the truck I thought the all-terrain package was appropriate plus I like the seat upholstery and the carbon fiber accents better than a Denali trim myself, I spare no expense on this truck, I have well over $80,000 in the truck!, It has a 10 inch CST lift, "one of the most expensive well-built lift kits you can get for this truck" This particular lift kit does not widen the front track width there for enabling you to run 12 wide wheels without them hanging out too far like on most other trucks! I even paid extra to have all the suspension components power coded blue, dual remote reservoir shocks and CST custom heavy duty upper control arms with optional upgraded heavy duty tire rod ends, 22" x 12" Cali off-road wheels, 37x 13.50 x 22 Toyo tires, amp motorized steps,DEF exhaust fluid delete, S&B cold air intake, EFI live tuning, edge attitude monitor that adjust for tire size and all kinds of different cool options, It has and upgraded exhaust from the turbo back, this part was expensive and something most people do not do!, I regeared the Front and rear diffs for the 37 inch tires, the RPMs are within 50 rpm's of where the truck was with the factory tires while traveling 70 down the interstate, with the tuning and the regearing the acceleration on this truck is incredible given its size, The truck rides and drives incredible, does not pull around in the ruts and goes straight down the highway does not vibrate or shake, hands-down the best lifted Duramax I've ever owned, absolutely nothing wrong with it, even smells new inside, if you're thinking of owning a super awesome lifted 15 or newer Duramax, you cannot build one for the price that you can buy this one for, it's virtually a new truck with all the goodies and you don't have to wait to have a built it! Please feel free to call or text if you have any questions, 1-406-212-5009 thanks for looking