 Price plus tax, high in 499M and free. Not available with a lease and some other offers. Must trade in a 2010 or newer vehicle and or show proof of current ownership of a 2010 or newer Buick or GMC and or be a current eligible Costco member. Ballot on in-stock units only. Must finance with GM Financial and not all will qualify. Dealer installed accessories. Extra C-Giller for complete details.