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What 394 owners told NHTSA about the 2012 Fiat 500 Bev

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 (394)Crash / fire / injury (27)Transmission & drivetrain (200)Electrical system (63)Engine (51)Airbags (32)Fuel system (23)Suspension (21)Steering (19)Brakes (13)Lights (12)Speed control (12)

51 of 394 complaints match · Engine · clear filters · page 3 of 3

Dec 26, 2012EngineFuel system

MULTIPLE OCCASIONS, PROBABLY > 10 TIMES IN PAST TWO MONTHS. AT LOW STEADY SPEED, SUCH AS DRIVING IN A PARKING LOT, WHEN I LET UP ON GAS PEDAL, THE CAR DOES NOT SLOW DOWN IMMEDIATELY. ONE EXPECTS THE IMMEDIATE, SLIGHT FEELING OF DECELERATION ON THE BODY, BUT IT DOESN'T COME RIGHT AWAY. USUALLY IT LASTS ABOUT ONE SECOND. IT HAS LASTED UP TO THREE SECONDS. RECENTLY THIS HAPPENED WHILE DRIVING STEADILY AT 30MPH, I LET UP ON ACCELERATOR ENTERING A 20MPH ZONE, AND CAR DID NOT SLOW DOWN IMMEDIATELY. THIS WAS THE OCCASION IT TOOK 3 SECONDS. I HAVE BEEN PAYING ATTENTION TO THIS ISSUE RECENTLY BECAUSE IT HAPPENS SO MUCH. I HAVE NOT NOTICED THIS PROBLEM AT HIGH SPEED, SUCH AS EXPRESSWAY DRIVING. *TR

NHTSA ODI 10490078

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Working with the data? Download all 394 complaints as CSV · fetched from NHTSA July 24, 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 2012 Fiat 500 Bev verdict →