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What 7 owners told NHTSA about the 2025 Mazda Mazda3 Sedan

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (7)Crash / fire / injury (2)Driver assistance (2)Airbags (1)Seat belts (1)Speed control (1)Suspension (1)Wheels (1)

1 of 7 complaints match · Speed control · clear filters

May 31, 2026Speed control

WHEN TURNING A CORNER IN MY NEIGHBORHOOD, AS I GOT AROUND THE CORNER (SLOW SPEED (10 MPH?). THE CAR GRADUALLY SPED UP ON IT'S OWN WITHOUT PUSHING THE GAS PEDAL. NO CRUISE ON AND NO FLOOR MAT PROBLEM. WHILE IN CRUISE CONTROL "ON", THE ENGINE "REVED UP. TOOK THE VEHICLE TO THE DEALER, THEY COULD NOT FIND A PROBLEM.

NHTSA ODI 11741126

Working with the data? Download all 7 complaints as CSV · fetched from NHTSA July 18, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2025 Mazda Mazda3 Sedan verdict →