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Audi RS6 Avant C8 (Typ 5G)

20212025 · 5G · wagon

Fourth-generation RS6 Avant and the first US-market RS6 wagon (US sales began MY2021 after three generations of US-skip). 4.0L EA825 twin-turbo V8 making 591 hp (621 hp Performance, 729 hp GT). 8-speed Tiptronic automatic, quattro AWD with sport differential. MLB Evo platform shared with the Bentley Bentayga, Porsche Cayenne, and Lamborghini Urus.

Watch out: EA825 V8 timing-chain wear at high mileage tracks the broader VW Group V8 history. Air suspension components are expensive — same MLB Evo failure points as the Bentayga/Urus. Carbon-ceramic brake option is costly to replace at end-of-life. Tire wear is heavy on the 22" wheels.

Full clubhouse — owner Garage Lineage, common problems, year-by-year notes, and product picks — is on the build list.

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