The D4 S8 (US-market 2013-2017, with the 605 hp Plus from 2016) is Audi's stealth flagship: a 4.0L twin-turbo V8 (520 hp base), ZF 8-speed automatic, quattro, air suspension, and an aluminum space frame, wrapped in an understated A8 body. Owners rate it above rivals like the Panamera Turbo S for luxury and tech while delivering sleeper supercar pace, and the market still treats it as underrated. …
Library / Audi
Audi S8 (D4)
58 sales analyzed · 4 topics from real Bring a Trailer & Cars & Bids comments.
“I got drunk and bought a D5 S8 on here. This is the car I really wanted.”VolvoguyKC · Apr 7, 2025
- A stealth luxury flagship with sleeper paceownership-experienceOwners describe the S8 as one of the most memorable cars they've owned — size, build quality, comfort, and a quiet cruise paired with explosive, deceptive acceleration. It out-luxuries performance rivals while looking like an ordinary A8, the essence of a sleeper. …
- The oil-strainer recall is the first question every timemechanicalAs with all 4.0 TT cars, oil starvation threatened the turbos; Audi recalled the oil strainers and backed the turbos with a 10-year/120k warranty afterward. The community reflexively asks whether the recall is done on every listing, so confirming it (with receipts, and ideally a note on turbo shaft play at the inspection) is the buyer's first task. …
- Air suspension, bushings, carbon — buy eyes openmechanicalBeyond the turbos, these are complex flagships: air suspension is an expensive eventual repair, suspension bushings/ball joints wear (around 50k, costly in OEM parts), DI carbon buildup needs cleaning, and the aluminum space frame demands proper accident repair. Owners say the cars are rock-solid apart from this expected wear — but you must budget for it. …
- Buying: prefer stock, documented, recall-complete carsbuying-adviceConfirm the oil-strainer recall via NHTSA, get a specialist PPI given complexity and mileage, and favor stock cars — buyers note that modifications (e.g., older APR tunes) can hurt desirability and are worth reverting toward stock. Documentation and originality drive value on these. …