The 2026 Audi A6 sits on 18-inch alloy wheels ... Meanwhile, cars equipped with 19-inch wheels or larger come with noise absorbers with foam rings to reduce air vibration inside the tire.
Technically, Audi was there first ... In profile short overhangs and slim wheel gaps house 19-inch wheels standard on the A6, 20-inchers standard on the S6, or optional 21-inch wheels.