The Cadillac XT6 is a solid luxury option for those looking to get their hands on an upscale SUV that won’t break the bank, though, as with any used luxury car, one needs to use a discerning eye when shopping to get the most out of their purchase and avoid costly trips to the mechanic. Luckily, in this used Cadillac XT6 buying guide, we’ll be exploring the world of XT6 reliability as we give you the rundown on this luxury three-row SUV and get down to exploring the world of Cadillac ownership costs.