Bob Boniface, 52, director of exterior design at General Motors’ Buick division, from Bloomfield Hills, Mich., on his 1962 Ferrari 250 GTE, as told to A.J. Baime.

My father, Raymond, was a physician, and when I was growing up, he owned some Ferraris. In 1973, he bought the one pictured here for $3,800 to use as his daily driver. These were not expensive cars at the time.

We...