Audi's 4.0T V8 powers the RS6, RS7, S6, S7, S8, Bentley Continental GT, and Lamborghini Urus. One engine, many models, shared failure patterns.
"A fantastic V8 ruined by a $10 oil strainer screen. Ensure the recall was performed, or budget for immediate turbo replacement."
Verdict
Buy with Warranty
Risk Level
High
Annual Cost
$3,000 - $5,000
Worst-Case
$10,000
Detailed failure analysis for specific components.
Audi 4.0T V8 engine problems: turbo oil screen failure, PCV issues, and active mounts. Failure mileages, repair costs, and preventative action for RS6, RS7, S8.
Is the Audi RS6 C7 (2014-2018) reliable? Detailed guide to the EA824 4.0T turbo oil screen, PCV failure, air suspension leaks, and repair costs.
Comprehensive engine and model guides by manufacturer.