Owners love the C5 as the 'just right' size — big enough to haul people, gear, and dogs while staying understated and quick. Its collector status is now formalized: Hagerty added the S6 Avant as an eligible collector car, so affordable agreed-value coverage is available.
A Goldilocks Q-ship — now a recognized collector car
Audi S6 (C5) · value-and-market