Like Audi's approach to design in general, the changes to its logo are subtle rather than in your face.
History of the Audi Logo Vin Devers Autohaus of Sylvania
Why does the Audi logo have four rings?
Why Does the Audi Logo Have Four Rings? - Audi Club North America
Why Does the Audi Logo Have Four Rings? - Audi Club North America
Audi's interlinked ring logo symbolizes four separate car
The history of “Audi”: how it helped to develop the logo we have today
Audi's interlinked ring logo symbolizes four separate car
Know Meaning & History Of Audi Iconic Four Rings Logo - Marketing Mind
Audi's Emblem: The Story Behind the Four Rings
This Is The True Meaning Behind The Audi Logo
This Is The True Meaning Behind The Audi Logo