Behind the Badge: Symbolism in Audi's Four Rings Logo - The News Wheel
Which car company has the logo with four rings? - Quora
An Audi logo is seen on a car displayed on media day at the Paris Mondial de l'Automobile, October 3, 2014. The Paris auto show opens its doors to the public from
Audi Redesigned Its Iconic Four-Ring Logo. Can You Tell?
4 Rings Logo - LogoDix
Why does the Audi logo have four rings? | audi.com