YearToAvoid

2018 Toyota Avalon Hybrid Problems, Recalls & Reliability

Verdict

No verdict

Complaint Index

25/100

#7 most-complained of 9 Avalon Hybrid years

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

The 2018 Toyota Avalon Hybrid has a complaint index of 25, ranking 7th out of 9 model years, well below the worst year, 2013, at 100. It has just 1 complaint on file and 1 recall covering the airbag control unit.

Complaints
1
Recalls
1
Crashes / fires
0 / 0
Injuries / deaths
0 / 0
NHTSA overall rating
5 / 5 ★
EPA combined MPG
40
40 city / 39 hwy

Top 2018 Toyota Avalon Hybrid problems

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

  1. Electrical System1 (100%)

What owners report

  • Navigation system and radio stopped functioning properly.
  • Upper third brake light failed to work.
  • Dealer diagnosed the airbag electronic control unit (EMU) as malfunctioning.
  • Dealer replaced the radio, but electrical problems reportedly continued.
  • Failure was reported at 66,000 miles median mileage.

2018 Toyota Avalon Hybrid recalls

1 NHTSA recall campaign list this model year.

  1. NHTSA 20V024000Jan 17, 2020Airbags2,891,976 vehicles

    Air bags: air bag/restraint control module

    Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2011-2019 Corolla, 2011-2013 Matrix, 2012-2018 Avalon, and 2013-2018 Avalon Hybrid vehicles. During certain crashes, the air bag electronic control unit (ECU) may malfunction, possibly disabling the deployment of the air bags and/or seat belt pretensioners.

    Risk: In the event of a crash, air bags and/or seat belt pretensioners that do not deploy as intended may increase the risk of injury.

    Remedy: Toyota will notify owners, and dealers will inspect the ECU and install a noise filter between the air bag control module and its wire harness, as necessary, free of charge. Owners were notified of the safety risk beginning March 2, 2020. A second letter notifying owners of the remedy repair will be mailed between March 16, 2020 and June 27, 2020. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's numbers for this recall are 20TB03, 20TA03 and 20TA05.

2018 Toyota Avalon Hybrid fuel economy and fuel cost

City
40 MPG
Highway
39 MPG
Combined
40 MPG
Annual fuel cost (EPA)
$1,600
15,000 mi/yr
Fuel
Regular
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.

2018 compared with other Avalon Hybrid years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100201320142015201620172018201920202021
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2016No verdict502240
2017No verdict00140
2018No verdict251140
2019No verdict381343.5
2020No verdict130343.5

All Toyota Avalon Hybrid years: best and worst →

Frequently asked questions

Is the 2018 Toyota Avalon Hybrid reliable based on NHTSA data?
NHTSA lists only 1 complaint for the 2018 Avalon Hybrid, giving it a complaint index of 25, which ranks 7th out of 9 model years — better than most other years of this model.
What problems does the 2018 Toyota Avalon Hybrid have?
The one recorded complaint involves the Electrical System, specifically navigation, radio, and brake light malfunctions tied to a diagnosed airbag electronic control unit issue at 66,000 miles.
Does the 2018 Toyota Avalon Hybrid have any recalls?
Yes, one recall (campaign 20V024000) covers the airbag electronic control unit; Toyota installs a noise filter between the airbag control module and related wiring as the remedy.
How does the 2018 Avalon Hybrid compare to other years?
Its complaint index of 25 is much lower than 2013 (100), 2014 (88), and 2015 (75), which are the years to avoid for this model.
What is the fuel economy of the 2018 Toyota Avalon Hybrid?
EPA rates it at 40 mpg combined (40 city / 39 highway), with an annual fuel cost of $1,600.

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.