Reliability & cost of ownership
Audi A6 Reliability & Common Problems
How reliable is the Audi A6? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars — then open the year you're shopping for a full reliability and repair-cost forecast.
Audi A6 problems by model year
127 recall entries and 1627 owner complaints on file across 31 model years, sourced from the federal NHTSA database.
Most-complained-about components
Owner complaints filed with NHTSA against the Audi A6, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- electrical system386 complaints
- air bags311 complaints
- service brakes160 complaints
- fuel system152 complaints
- gasoline121 complaints
- engine116 complaints
- engine and engine cooling112 complaints
- steering112 complaints