AutoUtility currently tracks 10 official NHTSA owner defect complaints for the 2020 Toyota Avalon. Fuel & Propulsion System issues are the most frequently reported category, appearing in 5 complaints (50% of submitted records). Among these NHTSA complaint records, 1 filing cites a crash, 1 reports one or more fatalities.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
5 owner complaints submitted to NHTSA ODI for this subsystem.
2 owner complaints submitted to NHTSA ODI for this subsystem.
1 owner complaint submitted to NHTSA ODI for this subsystem.
1 owner complaint submitted to NHTSA ODI for this subsystem.
Formal engineering analyses and preliminary evaluations opened by the NHTSA Office of Defects Investigation
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"A couple of months ago, my car started running a little rough as it would sit in idle mode. When suddenly my check engine light came on. I checked the codes and they seemed to be P0445 Evaporitive emission system leak detected (large leak). And P0441 Evaporative emission system. Incorrect Purge..."
"To Whom It May Concern, I am filing this complaint to report Right Toyota in Scottsdale, Arizona, and Toyota Motor Corporation for their mishandling of a critical airbag safety recall (23TA15) on my 2020 Toyota Avalon Hybrid. The lack of transparency, misleading information, and failure to provide..."
"TIE ROD LOOSE I heard a clunking noise while turning the steering wheel to the left at very low speeds. Took car in for service Service Mechanic found left outer tie rod end "with play, loose" Safety issue: potential loss of steering ability while driving Vehicle has been inspected and repaired -..."
"When refueling vehicle, gasoline backs up immediately, doesn't shut off gas hose and pours out all over vehicle and feet of person refueling. Today is the 4th time it's happened. It's been to Gettle Toyota of Lakewood in Bradenton FL for this exact complaint and was told there's nothing wrong with..."
"on 3 lane expressway (US422)about 1/4 mile from where the lanes split( see attached). No cars in front of me but cars in the lane to my left slowed. My car suddenly braked causing the car behind me to swerve to my right to avoid a collision. The adaptive breaking (incorrectly) determined that there..."
Reported defect complaint volume across sibling model years (2015–2022)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Toyota Avalon | 53 | 8 | 2 | View 2015 Problems → |
| 2016 Toyota Avalon | 25 | 2 | 4 | View 2016 Problems → |
| 2017 Toyota Avalon | 14 | 2 | 2 | View 2017 Problems → |
| 2018 Toyota Avalon | 25 | 7 | 2 | View 2018 Problems → |
| 2019 Toyota Avalon | 69 | 4 | 5 | View 2019 Problems → |
| 2020 Toyota Avalon Current Page | 10 | 1 | 4 | Current |
| 2021 Toyota Avalon | 27 | 2 | 2 | View 2021 Problems → |
| 2022 Toyota Avalon | 8 | 1 | 0 | View 2022 Problems → |
Complete distribution of consumer defect reports across all 6 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 5 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 1 | 1 | 0 | 0 | 1 |
| Steering NHTSA category: STEERING | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| Visibility / Glass NHTSA category: VISIBILITY | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2020 Toyota Avalon
In official NHTSA consumer records, the most frequently cited issue area for the 2020 Toyota Avalon is Fuel & Propulsion System, appearing in 5 records (50% of submitted filings).
Secondary reported categories include Driver Assistance & Safety Tech (2) and Air Bags & Restraints (1).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 10 consumer defect complaints and 4 safety recall campaigns for the 2020 Toyota Avalon.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Among consumer complaint records on file with NHTSA for the 2020 Toyota Avalon, 1 filing cites a crash, 0 cite smoke or fire, and 0 report one or more injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
NHTSA ODI records list 1 formal defect investigation involving the 2020 Toyota Avalon (all closed).
Federal defect investigations are formal engineering evaluations opened when safety defect trends emerge, and do not by themselves establish a confirmed defect or mandatory recall.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.