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What 12 owners told NHTSA about the 2014 Mazda Mazda5

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 (12)Brakes (4)Engine (2)Steering (2)Body & structure (1)Electrical system (1)Latches & locks (1)Suspension (1)Visibility & wipers (1)Wheels (1)

2 of 12 complaints match · Engine · clear filters

Aug 3, 2017Engine

I OWN A 2014 MAZDA 5. AFTER TWO YEARS OF OWNERSHIP. THE NUMBER 1 AND 4 CYLINDER ROD BEARINGS FAILED COMPLETELY. IT HAPPENED WHILE THE CAR WAS IN MOTION. PROPER OIL CHANGES WAS MAINTAINED DURING THIS PERIOD. THEY TOOK THE MOTOR APART FOUND CLEAN OIL, AND SHAVINGS.

NHTSA ODI 11012719

Dec 1, 2016Engine

TL* THE CONTACT OWNS A 2014 MAZDA 5. WHILE DRIVING VARIOUS SPEEDS, THE ENGINE REVVED AT A HIGH RATE AS IF THE VEHICLE WOULD TAKE OFF. THE FAILURE OCCURRED WHILE THE VEHICLE WAS PARKED AND THE ENGINE WAS WARMED UP. THE DEALER WAS UNABLE TO DETERMINE THE CAUSE OF THE FAILURE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 80,000.

NHTSA ODI 10929394

Working with the data? Download all 12 complaints as CSV · fetched from NHTSA July 26, 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 2014 Mazda Mazda5 verdict →