Owners are upfront that the V10 is expensive to maintain, but the actual engine and transmission are regarded as durable. On the much-discussed timing chain, the guidance is to listen for a startup rattle (the warning sign); some owners note the V10 received updated guides versus the failure-prone B6 V8, easing the worst fears.
A maintenance hog with a robust core
Audi S6 (C6) · mechanical