2018 Toyota Prius Prime Problems & Complaints

Not enough data

Owners have filed 16 complaints about the 2018 Toyota Prius Prime with the National Highway Traffic Safety Administration. There isn't enough complaint history for the Prius Prime to compare model years reliably. The most reported problem area is the fuel & propulsion system (2 complaints, typically around 39,000 miles).

16complaints
0recalls
4crashes
0fires
3injuries
0deaths

Most common 2018 Toyota Prius Prime problems

  • Other / not specified~23,000 miles
    319%
  • Fuel & propulsion system~39,000 miles
    213%
  • Air bags
    213%
  • Transmission & drivetrain
    213%
  • Windows, wipers & sunroof~1,000 miles
    16%
  • Electrical system~15,000 miles
    16%
  • Engine & cooling~0 miles
    16%
  • Lights~15,000 miles
    16%
  • Driver assistance
    16%
  • Brakes~40,000 miles
    16%
  • Body & structure
    16%
  • Speed control & acceleration
    16%
  • Locks & latches
    16%
  • A/C & heater
    16%

Share of the 16 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.

Toyota Prius Prime complaints by model year

201720182019202020212022202320244216916108615
Owner complaints per model year, Toyota Prius Prime. Colour = our verdict for that year (red: avoid, orange: caution, green: better than average, blue: too new).

Best Prius Prime years: 2019, 2023, 2021. Compare all years →

NHTSA defect investigations

Federal safety investigators have looked into a possible defect involving the 2018 Toyota Prius Prime:

Pedestrian alert sounds

NHTSA investigation DP22005 · opened Jan 27, 2023 · closed Aug 7, 2023 · led to recall 22V-063

NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles.

2018 Toyota Prius Prime engines & fuel economy

EngineTransmissionDriveMPG city / hwy / combined
1.8L 4-cyl plug-in hybridCVTFWD55 / 53 / 54

EPA ratings. Class: Midsize car.

Frequently asked questions

Is the 2018 Toyota Prius Prime a good car?

There isn't enough complaint history for the Prius Prime to compare model years reliably. So far owners have filed 16 complaints with NHTSA.

What is the most common problem with the 2018 Toyota Prius Prime?

The fuel & propulsion system — 2 complaints, 13% of all complaints for this model year. Next are the air bags (2) and transmission & drivetrain (2).

How many recalls does the 2018 Toyota Prius Prime have?

NHTSA lists no recalls for the 2018 Toyota Prius Prime. You can still confirm with your VIN using our VIN recall check.

What are the best and worst years of the Toyota Prius Prime?

The best years by complaints, compared at the same age, are 2019, 2023 and 2021. See the full Toyota Prius Prime years comparison.

At what mileage do 2018 Toyota Prius Prime problems happen?

The median mileage reported in complaints is about 15,000 miles; 100% of problems with a recorded mileage started before 50,000 miles.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.