Costco Auto Program, Costco Wholesale Corp.'s car-selling program, saw a 55% year-over-year increase in memberships halfway through its holiday sales event, which runs from Oct. 3 to Jan. 2, 2018.
Costco Auto members are eligible for GM incentives and a Costco Cash Card after buying or leasing an eligible model and completing a survey, the Costco unit said Dec. 12.
