There were two Pontiac Custom Safari models in 1957, the sporty 2-door and this high-end 4-door. The 4-door is called the "Transcontinental Safari". Note the unique side trim, unlike any other 1957 Pontiac model. Like the 2-door Custom Safari, It featured all leather upholstery. Only the 4-door Custom Safari model was continued1958, the 2-door was discontinued.