She was best known for her interpretations of opera and the Spanish genre Zarzuela, and as a soprano she was known for her full register, a youthful timbre as well as a distinctive vibrato.

In 1951 she made her Spanish debut in the principal role in the Zarzuela El canastillo de fresas (The Strawberry Basket).

Lorengar announced her retirement and performed her last concert at the Campoamor Theatre in Oviedo (Asturias), Spain.

Pilar Lorengar died of cancer in Berlin, scene of her longest artistic associations, where she resided with her husband, dentist Dr Jürgen Schaff.

Pilar Lorengar, a free public vocational high school for the media arts located in her city of birth, Zaragoza, Spain, was named in her honor.