the breakdown Costco members can save up to $1,250 on new Infiniti SUVs through the Costco Auto Program. Modern luxury SUVs ain’t cheap, which is why Costco is offering its members pretty solid discounts on certain new Infiniti models. Eligible Costco members will get up to $1,250 toward the purchase or lease of any of these Infiniti SUVs. Like previous Costco Auto Program promotions, the discount comes directly through the program rather than through price negotiation at the dealership. General manager of the Costco Auto Program, Jay Maxwell, notes:'The Costco member response to Infiniti has been exceptional.