After Chrysler scooped up some coveted 'street cred' in recent months, with the Chrysler 300C appearing in a Snoop Dogg video and rapper 50 Cent angling for a Dodge Charger, another of the carmaker's models, some observers now question Chrysler's decision to feature former boss Lee Iacocca - an octogenarian and inventor of the minivan - in its new ads, the Associated Press (AP) reported.