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Toyota · Midsize car

2018 Toyota Prius Prime

Plug-in hybrid
Midsize Cars
1 EPA-rated configurations
Data refreshed 2026-09-11
A
Safety Signal
100 / 100 from the NHTSA recall record
RecallsNHTSA campaigns0
Complaintsowner reports to NHTSA16
Crash ratingNHTSA overall
Fuel economybest combined, EPA54 mpg
20242023202220212020201920182017

The 2018 Toyota Prius Prime is sold in the U.S. as a plug-in hybrid midsize car. The most efficient version, the Prius Prime, is EPA-rated at 54 mpg combined. NHTSA lists no recall campaigns for this model year so far (Safety Signal A). Owners have filed 16 complaints, most often about the fuel/propulsion system.

Specs & fuel economy

Source: EPA fueleconomy.gov
ConfigurationPowertrainDriveEngine / motorCityHwyCombRangekWh/100miCharge (240V)Annual fuel*
Prius PrimePlug-in hybridFWD1.8L 4-cyl + 16 and 37 kW AC Induction555354 (78 MPGe blended)25 mi electric252 h$1,150

*EPA estimate at 15,000 miles/year at EPA reference fuel and electricity prices. fueleconomy.gov record ids: 39882.

Factory warranty running out?

The 2018 Toyota Prius Prime is in the years where high-voltage electronics and module repairs land on the owner. Compare extended-coverage quotes in about two minutes.

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Recalls (0)

Source: NHTSA recall database

No NHTSA recall campaigns are on file for the 2018 Toyota Prius Prime. New campaigns appear here within a week of NHTSA posting them.

NHTSA defect investigations

Electrical System:Propulsion System — Pedestrian alert sounds closed

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. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matt

Opened Jan 27, 2023 · closed Aug 7, 2023 · action DP22005

Owner complaints

Source: NHTSA complaint database
16complaints filed

4 involved a crash · 0 a fire · 3 injuries · 0 deaths reported

Filed per year: 2018: 1 · 2020: 3 · 2021: 3 · 2022: 1 · 2023: 4 · 2024: 1 · 2025: 1 · 2026: 2

Most-cited components

Unspecified3
Fuel/Propulsion System2
Back Over Prevention2
Air Bags2
Power Train2
Visibility/Wiper1

What owners describe

“On at least 4 occasions when the EV battery becomes depleted while driving at highway speeds and the car is switching to gas, the engine completely loses all power. This has lasted from 10-30 seconds. The dealership said a small battery needed to be replaced, and replaced that, but this recurred within a month of repla…”Mar 10, 2026 · Power Train · NHTSA owner report
“Hi, My Prius Prime recently just suffered the loss of heat in the middle of winter. Based on the diagnostic of my local Toyota dealer, it appears one of the metal heater coolant hose had rusted off. This is not just causing a safety issue of having no issue, it is also a risk as the engine can now overheat and suffer p…”Feb 26, 2025 · Visibility · NHTSA owner report
“As I was driving on a local highway going approximately 50 mph, the hood of the vehicle released and hit the windshield with full force. Luckily there was no traffic on the local highway at the time of the incident. I did not release the hood at all, and the dealer reports verbally to me that the hood latch is damaged.…”Oct 1, 2024 · Latches/Locks/Linkages · NHTSA owner report

Complaint counts are raw owner reports to NHTSA, not verified defects, and scale with how many were sold. Use them to spot patterns, not to rank.

Crash ratings

Source: NHTSA NCAP

NHTSA has not published 5-Star crash ratings for this model year.

Other Prius Prime model years

Sources & method

Safety Signal starts every model-year at 100 and subtracts points per open NHTSA recall campaign by severity: critical 15 (fire risk, park-outside or do-not-drive advisories), high 8 (brakes, steering, airbags, loss of drive power, structure, battery), moderate 6, minor 3 (software, labels, lighting fixed by an update). Floor 35. A ≥ 90, B ≥ 80, C ≥ 70, D ≥ 60, otherwise F. Complaint counts and NHTSA crash ratings are shown separately and are not blended into the grade.

EPA figures come from fueleconomy.gov vehicle records. Recalls, complaints, investigations and crash ratings come from NHTSA's public flat files, refreshed weekly.

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