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Toyota Prius PrimeModel year report

2020 Toyota Prius Prime Problems

Complaints
16filed with NHTSA
Median mileage
9,250miles, 12 complaints with mileage
Recalls
1campaigns on record
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA crash rating
—no overall rating published
EPA fuel economy
54 mpgcombined (gas only), 1.8L 4-cyl · plug-in hybrid FWD · 55 city / 53 hwy

Sources: NHTSA records for the 2020 Toyota Prius Prime (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 16 consumer complaints for the 2020 Toyota Prius Prime. The part named most often is visibility, with 5 complaints (31% of the total), followed by electrical system (3) and transmission and drivetrain (3). 12 of the complaints include a mileage, and 83% of those were filed for vehicles with under 50,000 miles; the median is 9,250 miles. Of all complaints, 5 involved a crash, according to the filers. NHTSA lists 1 recall campaign and 123 technical service bulletins for this model year. Visibility complaints overlap with 2 technical service bulletins filed under the same part. Electrical system complaints overlap with 35 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Visibility (wipers, defrost, mirrors): “On multiple occasions, frost developing on the inside of the windshield while vehicle parked in the parking lot at work 2 times(jan 17th and the 30th at home and at work in the morning and after work) and another time while vehicle parked at home in the driveway. It takes 20 or more minutes to defrost the windshield.the wipers cause visibility problems due to the water and snow turning to ice.”

NHTSA complaint #11307961, filed 2020-02, 900 miles

Electrical system: “I was driving to work into the garage. The entrance of the garage has a mild incline with a narrow entrance and I normally will slow down so I can steel the car slowly. I was going at about 10 to 15 mile speed and felt a stall first and then the car went into accelerated mode on its own. I felt the car was shift to a different gear on its own up to 80 to 100 miles. I am lucky there is a cement pole in front of me and the car went right into the pole smashing the left side(driver side of the car ) I have to step on the break to stop the car. It all happened very quickly within few minutes. …”

NHTSA complaint #11396870, filed 2021-02, 15,200 miles

Transmission and drivetrain: “Mice chewed through wires and air filter, causing damage to the hybrid system. The check hybrid system warning sign came on and the car running rough. Toyota dealer charged $13066.81 for the damage.”

NHTSA complaint #11374192, filed 2020-11, 6,500 miles

Vehicle speed control: “I was going to park my car in parking lot of my apartment. I pushed the baker, the car didn't decrease the speed or stop, but accelerated. It was just out of control and crashed to the wall. The sensor system didn't do any job, not even a warning.”

NHTSA complaint #11376393, filed 2020-11, 2,000 miles

Mileage when problems were reported

83% of the 12 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 3,400 and 15,200 miles.

50%0–1033%10–250%25–5017%50–750%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (12 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 9,250 miles.

Complaints by year filed

Trend: falling. Complaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

2020520212022202320242025
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 2020 Toyota Prius Prime version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving); plug-in hybrid figures are for gasoline-only (hybrid mode) driving, so no annual cost is shown.

VersionEngineTransmissionCityHwyComb.Fuel / yr
Prius Prime FWD1.8L 4-cyl · plug-in hybridCVT555354 gas only—

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2020 Toyota Prius Prime → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 123 on record; the latest 10 are shown.

See all 123 bulletins →

Other model years of the Toyota Prius Prime

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
2024157,0004552—Too new
202368,5484552—Too new
202286,3501554—Not enough data
20211034,0000554—Not enough data
2020169,2501—54—Falling
201999,0141—54—Not enough data
20181615,0000—54—Stable
2017426,5000—54Not compared (fewer than 3 comparable model years)Stable

All Toyota Prius Prime model years

Frequently asked questions

How many NHTSA complaints does the 2020 Toyota Prius Prime have?

NHTSA recorded 16 consumer complaints for the 2020 Toyota Prius Prime as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2020 Toyota Prius Prime is reported most often?

Visibility is named most often, in 5 complaints (31% of the total), followed by electrical system with 3.

Has the 2020 Toyota Prius Prime been recalled?

NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2020 Toyota Prius Prime get?

The EPA rates the 2020 Toyota Prius Prime (Prius Prime, 1.8L 4-cyl · plug-in hybrid) at 54 mpg combined, 55 city and 53 highway when running on gasoline in hybrid mode. Other engine and drive versions are rated differently.

At what mileage are problems with the 2020 Toyota Prius Prime reported?

Among the 12 complaints that include a mileage, the median is 9,250 miles and the middle half falls between 3,400 and 15,200 miles; 83% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.