Her late father in his will, left a 1969 Porsche-911 to her in 1980. When Terry, herself, passed away in 1998, the car went to her brother, Chad McQueen (who also owns their father's 1958 Porsche-356).
Named after her father (Steve McQueen), whose first name was Terrence (his middle name was Steven).
She was a first cousin of Filipino socialite Isabel Preysler, and a first cousin, once removed, of Spanish singer Enrique Iglesias, who is Isabel's son. Terry's maternal grandfather, José Salgado Arrastia, was also Isabel's maternal grandfather.