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What 186 owners told NHTSA about the 2014 Toyota Prius Plug-in Hybrid

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 (186)Crash / fire / injury (30)Brakes (77)Electrical system (32)Engine (17)Airbags (14)Speed control (14)Visibility & wipers (12)Body & structure (8)Electronic Stability Control (esc) (8)Steering (8)Fuel system (7)

7 of 186 complaints match · Fuel system · clear filters

Mar 13, 2021Fuel system

HYBIRD SYSTEM MALFUNCTION. CAR LOST POWER AND STALLED WHERE WE CANNOT SHIFT. THAT HAPPENED AFTER DRIVING THE CAR HOME AND LATER TRIED TO START IT IN OUR DRIVEWAY.

NHTSA ODI 11402751

Mar 28, 2020Fuel system

ON TOYOTA'S WEBSITE THE VEHICLE HAS A 10.9 GALLON FUEL TANK CAPACITY LISTED. I BOUGHT THE CAR USED AT THE END OF LAST YEAR AND HAVE NEVER BEEN ABLE TO GET ABOVE 8.5 GALLONS. I CONSTANTLY ACHIEVE 45-50 MILES PER GALLON AS ADVERTISED BUT NEVER GET THE RANGE I WAS PROMISED FROM THE DEALER OR BY TOYOTA'S WEBSITE.

NHTSA ODI 11319593

Apr 17, 2018Speed controlFuel system

PULLING INTO A PARKING STALL ALMOST STOPPED. MY CAR SUDDENLY ACCELERATED AND JUMPED THE CURB.

NHTSA ODI 11088619

Mar 27, 2018Electrical systemEngineFuel system

I EXPERIENCE LOST OF POWER AS WELL AS WAITING MORE GASOLINE, BEFORE THE ELECTRIC FUSE RECALL, MY AVERAGE MILES PER FULL TANK WAS 436 MILES, NOW IS 540 PER FULL TANK., ALSO THE EV MILES WAS 8.5 PER CHARGE AND NOW AFTER THE FUSE REPLACEMENT IS 13.7 MILES PER CHARGE, FOR ALMOST 4 YEARS I HAVE BEEN WASTING MORE GAS THEN NORMAL AS WELL AS LOST OF POWER.

NHTSA ODI 11081551

Mar 13, 2017Electrical systemEngineFuel system

I WAS ON A WELL TRAVELLED AND VERY WINDING ROAD COMING DOWN A MOUNTAIN WHEN ALL OF A SUDDEN MY PRIUS LOST POWER AND LIGHTS ON THE DASHBOARD INDICATING A MALFUNCTION IN THE PARKING SYSTEM AND THE HYBRID SYSTEM CAME ON. IT WAS A HOKEY POKEY ALL THE WAY DOWN THE MOUNTAIN AND THERE WAS NO PLACE TO PULL OVER WHILE MY CAR KEPT LOSING POWER AND GOING INTO NEUTRAL WHILE IN MOTION. IT HAPPENED ABOUT 5 TIMES IN ALL, THE LAST TIME AS I MERGED ONTO ANOTHER ROAD WHERE I COULD PULL OFF THE ROAD AND WAS IN ONCOMING TRAFFIC WHICH FELT EXTREMELY DANGEROUS. AFTER THAT, IT STOPPED, AND I WAS ABLE TO DRIVE IT TO THE DEALERSHIP.

NHTSA ODI 10960261

Dec 16, 2016BrakesFuel systemCrash

WHILE I WAS DOING A SLOW TURN IN A DRIVEWAY, MY BRAKE FAILED AND THE CAR CONTINUED TO ACCELERATE IN A FORWARD MOTION. WHEN I SHIFTED INTO REVERSE, THE CAR REVVED AND ROARED ACCELERATING AT FULL TILT. IT RACED ACROSS A ROAD INTO ANOTHER DRIVEWAY ONLY STOPPING WHEN WEDGED BETWEEN A GARAGE DOOR AND A TREE. TOYOTA TOOK THE TOTALED CAR AND HAD IT INSPECTED BY ENGINEERING ASSOCIATES AND INSURANCE AUTO AUCTIONS. THEIR RESPONSE IS THAT "THERE WAS NO SERIOUS DEFECTS IDENTIFIED." OBVIOUSLY, THE MOMENTARY MECHANICAL OR ELECTRONIC FAILURE OF MY CAR COULD NEVER BE DETECTED, SO ACCORDING TO TOYOTA, THERE WAS NOTHING TO CAUSE THE FAILURE. I FEEL TOTALLY VICTIMIZED AND BELIEVE TOYOTA SHOULD TAKE RESPONSIBILITY AND COMPENSATE ME FOR THE LOSS OF MY CAR.

NHTSA ODI 10935859

May 8, 2015Electrical systemBrakesFuel systemCrash

I WAS IN A PARKING LOT AND PUT THE CAR IN REVERSE. THEN I HEARD A "BOOM" AND I THOUGHT THAT I BACKED INTO SOMETHING, SO I QUICKLY PUT THE CAR INTO DRIVE. I THEN FELT THE CAR EXCELERATING FAST AND I WAS PUSHING THE BRAKE AS HARD AS I COULD AND COULD NOT STOP THE CAR FROM MOVING FORWARD. THE CAR PROCEEDED TO EXCELLERATE AND WHEN OVER A CURB UP ONTO PAVEMENT AND THROUGH A METAL FENCE AND BENT A 5 INCH ROUND METAL FENCING DOWN TO THE GROUND AND THE CAR KEPT GOING ANOTHER 30 FEET TILL IT FINALLY STOPPED. YOU CAN SEE THE SKID MARKS IN THE THE PARKING LOT.

NHTSA ODI 10715324

Working with the data? Download all 186 complaints as CSV · fetched from NHTSA July 10, 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 Toyota Prius Plug-in Hybrid verdict →