Fill 'er Up with Super (1976)

Plot

A young car salesman sacrifices his vacation with his wife to deliver a classic American vehicle to its new owner on the Riviera. Determined to make the most of the unexpected trip, he invites an old friend to accompany him. Along the journey, they pick up two other men looking to hitch a ride south, turning the drive into an adventure filled with camaraderie and unpredictability. As they navigate the picturesque route, their bond grows, leading to humorous and heartfelt moments on the road.