Fluid · Automatic Transmission
Automatic Transmission
for 2021 Audi S8 4.0L Twin-Turbo V8 · AWD
Fluid Type
ZF Lifeguard 8 ATF
Spec: ZF S671.090.312
Capacity
9.5qt
8.99 L
Drain & Refill
5 qt
4.73 L
Data quality
Book-style estimate
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Notes
8-speed ZF 8HP76 transmission. Factory fill is lifetime, but drain-and-fill service recommended at 60k-80k miles for performance vehicles.