By 1960 , he was a well - known race car driver ( '' Sports Illustrated '' SCCA Driver of the Year ) , winning prestigious races until 1965 , when he retired as a driver , to concentrate on his first Chevrolet dealership in Philadelphia , PA .
By 1960 , he was a well - known race car driver ( '' Sports Illustrated '' SCCA Driver of the Year ) . 
 Penske continued racing until 1965 , when he retired as a driver , to concentrate on his first Chevrolet dealership in Philadelphia , PA .