Montoya was born on the morning of 20 September 1975, in a Bogotá hospital, to middle-class parents Pablo (an architect who enjoyed motor racing and amateur go-karting) and his wife Libia Roldán de Montoya (). He is the family's eldest child, with two younger brothers and a sister. Montoya's grandfather Santiago worked in real estate, while his uncle Diego raced sports cars. The family lived in the San José de Bavaria neighbourhood in Bogotá's northern outskirts. Montoya attended the private schools Colegio Gimnasio Bilingue Campestre and later the Colegio San Tarsicio after his test scores were too low and he was a Boy Scout. He spent four days a week on his education and three days racing by the end of his schooling.
Montoya was born on the morning of 20 September 1975 in a Bogotá hospital to middle-class parents Pablo (an architect who enjoyed motor racing and amateur go-karting) and his wife Libia Roldán de Montoya () He is the family's eldest child with two younger brothers and a sister Montoya's grandfather Santiago worked in real estate while his uncle Diego raced sports cars The family lived in the San José de Bavaria neighbourhood in Bogotá's northern outskirts Montoya attended the private schools Colegio Gimnasio Bilingue Campestre and later the Colegio San Tarsicio after his test scores were too low and he was a Boy Scout He spent four days a week on his education and three days racing by the end of his schooling