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What 35 owners told NHTSA about the 2018 Toyota Prius Phev

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 (35)Crash / fire / injury (5)Visibility & wipers (6)Lights (5)Speed control (4)Airbags (3)Body & structure (3)Brakes (3)Electrical system (2)Engine (2)Engine & cooling (2)Fuel system (2)

2 of 35 complaints match · Fuel system · clear filters

Jul 6, 2022Transmission & drivetrainSpeed controlFuel system

Stopped at red light, then the car didn't accelerate when hitting gas. Engine revs but the car does not accelerate. It happened multiple time when the car was out in sun with full ac on(100f). Happened once in intersection and almost got hit head on

NHTSA ODI 11472644

Jun 22, 2022Fuel system

UNKNOWN My car started stalling when it comes to a full stop. I.e. if I stop at a red light or stop sign, and I then press the gas, it stalls. It might inch forward, but it doesn’t really accelerate. This happened last year, and I took it to the dealer. They couldn’t reproduce the results, and they could only suggest changing my small 12V battery. Today, it stalled 8 times, between 2 short drives. Each at a stop sign only travelling ~5 miles total. I have an appointment at the dealer but this is exactly what happened last year with no diagnosis. No check engine light is on or anything.

NHTSA ODI 11470356

Working with the data? Download all 35 complaints as CSV · fetched from NHTSA July 20, 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 2018 Toyota Prius Phev verdict →