Retired GM executive Bob Burger, an outspoken dealer advocate and Buick, Chevy sales manager, dead at 93 Retired GM executive Bob Burger, an outspoken dealer advocate and Buick, Chevy sales manager, dead at 93 June 5, 2018 dzadmin Comments 0 Comment Retired GM executive Robert Dean Burger, an outspoken advocate for auto dealers who led Chevrolet during its “Heartbeat of America” era in the 1980s, has died at age 93.