YearToAvoid

2015 Toyota Prius Plug-in Hybrid Problems, Recalls & Reliability

Verdict

Best

Complaint Index

17/100

#6 most-complained of 7 Prius Plug-in Hybrid years

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

The 2015 Toyota Prius Plug-in Hybrid ranks 6th of 7 model years with a complaint index of 17, making it the Best year of the lineup. It has 5 complaints, 1 recall, and 1 crash reported to NHTSA.

Complaints
5
Recalls
1
Crashes / fires
1 / 0
Injuries / deaths
0 / 0
NHTSA overall rating
Not rated
EPA combined MPG
50
51 city / 49 hwy

Top 2015 Toyota Prius Plug-in Hybrid problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Brakes2 (40%)
  2. Engine2 (40%)
  3. Electrical System1 (20%)
  4. Structure & Body1 (20%)

What owners report

  • Brakes required several pumps toward the floor before engaging, with one case tied to a crash, reported around 57,000 miles.
  • ABS, brake, and traction control warning lights illuminated together, with dealers pointing to a diagnostic code and recommending brake actuator and booster replacement.
  • Exterior paint reported chipping and delaminating, raising owner concern about long-term body corrosion.
  • The engine reportedly overheated with the check engine light on and smoke seen coming from under the hood near the passenger side, at 70,464 miles.
2015 Toyota Prius Plug-in Hybrid complaints: complaints filed per month2Dec 2016Jan 2020Oct 2022Aug 2024Dec 2024
6 complaints filed with NHTSA from Dec 2016 to Dec 2024; peak Dec 2016 (2).

2015 Toyota Prius Plug-in Hybrid recalls

1 NHTSA recall campaign list this model year.

  1. NHTSA 17V718000Nov 15, 2017Fuel System39,915 vehicles

    Hybrid propulsion system

    Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2012-2015 Prius Plug-in Hybrid vehicles. The hybrid battery contains an Electric Vehicle (EV) fuse that may fracture after repeated high-load driving conditions such as climbing long hills.

    Risk: The failed fuse may cause the hybrid system to shut down resulting in the loss of power. Loss of power while driving at higher speeds can increase the risk of a crash.

    Remedy: Toyota will notify owners, and dealers will replace the EV fuse, free of charge. The recall is expected to begin January 8, 2018. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is H0R.

2015 Toyota Prius Plug-in Hybrid fuel economy and fuel cost

City
51 MPG
Highway
49 MPG
Combined
50 MPG
Annual fuel cost (EPA)
$1,300
15,000 mi/yr
Fuel
Regular Gas and Electricity
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2015 compared with other Prius Plug-in Hybrid years

Complaint Index by model year (0 = fewest issues, 100 = most)02550751002010201120122013201420152025
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2013Caution6712150
2014Avoid8313150
2015Best175150
2025No verdict332252

All Toyota Prius Plug-in Hybrid years: best and worst →

Frequently asked questions

Is the 2015 Toyota Prius Plug-in Hybrid reliable?
Among Prius Plug-in Hybrid model years, 2015 ranks 6th of 7 with a complaint index of 17, the lowest (best) score in the lineup, earning a Best verdict relative to other years.
What problems does the 2015 Prius Plug-in Hybrid have?
NHTSA lists 5 complaints for 2015, split evenly between brakes and engine issues (2 each, 40% share each), plus one electrical system and one structure & body complaint.
Does the 2015 Prius Plug-in Hybrid have a recall?
Yes, one recall (campaign 17V718000) covers 2012-2015 Prius Plug-in Hybrid vehicles for an EV fuse in the hybrid battery that could fracture after repeated high-load driving. It is not a do-not-drive recall.
What is the fuel economy of the 2015 Prius Plug-in Hybrid?
EPA rates it at 50 mpg combined (51 city / 49 highway), with an estimated annual fuel cost of $1,300.
How does 2015 compare to the worst Prius Plug-in Hybrid year?
The 2012 model year is worst with a complaint index of 100 and 25 complaints, versus the 2015 model's index of 17 and 5 complaints.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.