And he didn’t forget about the VW Beetle form which is dear to “Bumblebee” fans. When the Transformers movies started to be made, a 1977 model Chevrolet Camaro took over the role.
While Bumblebee can still have a "dinky" vehicle mode reminiscent of his VW Beetle form, Goldbug might take on a sports car alternate mode evocative of the Autobot's more recent portrayals.