Audi Tradition, an Audi AG department, focuses on preserving and showcasing the brand's rich history, including its predecessor brands, through events, exhibitions, and online resources, as well as offering services for owners of older Audi models. Ralf Friese is a renowned Audi historian and author. His previous books include Four Rings: The Audi Story, Auto Union DKW, and Audi Typenkunde: Audi 100 to Audi R8, among others. Stefan Warter studied photo/film design at the Bielefeld University of Applied Sciences and is a freelance photographer. He has shot photos for several books, combining his passions for photography and vehicles. He lives in Berlin.

Audi Tradition, an Audi AG department, focuses on preserving and showcasing the brand's rich history, including its predecessor brands, through events, exhibitions, and online resources, as well as offering services for owners of older Audi models. Ralf Friese is a renowned Audi historian and author. His previous books include Four Rings: The Audi Story, Auto Union DKW, and Audi Typenkunde: Audi 100 to Audi R8, among others. Stefan Warter studied photo/film design at the Bielefeld University of Applied Sciences and is a freelance photographer. He has shot photos for several books, combining his passions for photography and vehicles. He lives in Berlin.

Audi Tradition, an Audi AG department, focuses on preserving and showcasing the brand's rich history, including its predecessor brands, through events, exhibitions, and online resources, as well as offering services for owners of older Audi models. Ralf Friese is a renowned Audi historian and author. His previous books include Four Rings: The Audi Story, Auto Union DKW, and Audi Typenkunde: Audi 100 to Audi R8, among others. Stefan Warter studied photo/film design at the Bielefeld University of Applied Sciences and is a freelance photographer. He has shot photos for several books, combining his passions for photography and vehicles. He lives in Berlin.