Reliability & cost of ownership

Mazda Millenia Reliability & Common Problems

How reliable is the Mazda Millenia? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars where on file — then open the year you're shopping for its AI reliability outlook where NHTSA has enough data.

Mazda Millenia problems by model year

240 owner complaints on file across 9 model years, sourced from the federal NHTSA database. We couldn't confirm the NHTSA recall list for those years — check the VIN at nhtsa.gov/recalls.

Most-complained-about components

Owner complaints filed with NHTSA against the Mazda Millenia, grouped by the component each complaint names — the fastest read on where this model gives trouble.

  • engine and engine cooling59 complaints
  • power train45 complaints
  • air bags33 complaints
  • electrical system23 complaints
  • unknown or other15 complaints
  • suspension13 complaints
  • visibility12 complaints
  • tires11 complaints