State profile
California vehicle complaints
100,256 NHTSA complaints filed by California drivers across 50 vehicle models — the models your neighbors flag most.
- Complaints
- 100,256
- Crashes
- 7,872
- Models
- 50
California drivers have submitted 100,256 safety complaints to the National Highway Traffic Safety Administration across 50 distinct vehicle models. Those filings include 7,872 crash reports , 2,203 fire incidents , and 235 reported fatalities — every one of those events self-reported by the vehicle owner through NHTSA's Office of Defects Investigation intake form.
FORD carries the highest cumulative complaint volume in California with 25,736 filings, a concentration that typically reflects both registered-vehicle share and component-specific defect clusters already tracked in federal investigations. The single most-complained vehicle in California right now is the HONDA ACCORD (5,388 complaints, model years 1979–2025). Concentration is a useful first lens, but a high-volume make in one state usually signals that the brand is popular there — not necessarily more defective. The crash, fire, and fatality counters in the table below isolate the filings that rose to a serious safety event.
State-level NHTSA data is geocoded from the owner's self-reported ZIP, so climate, road salt exposure, tow-load patterns, and emissions-testing regimes in California all shape which defects surface here versus elsewhere. Use this page to triage which models your neighbors flag most often, then drill into each model's component breakdown and recall history on its detail page. Filings stay public for the life of the database, which means you can track a given nameplate's complaint curve against California's fleet turnover over time — the same dataset federal regulators rely on when they open Preliminary Evaluations.
Severe outcomes reported in California
Most-complained vehicles in California
Ranked by NHTSA complaints filed by in-state owners
- HONDA ACCORD
HONDA ACCORD
5,388 complaints
- FORD EXPLORER
FORD EXPLORER
4,396 complaints
- HONDA CIVIC
HONDA CIVIC
3,980 complaints
- TOYOTA CAMRY
TOYOTA CAMRY
3,923 complaints
- TOYOTA PRIUS
TOYOTA PRIUS
3,787 complaints
- JEEP GRAND CHEROKEE
JEEP GRAND CHEROKEE
3,522 complaints
- FORD F-150
FORD F-150
3,197 complaints
- FORD FOCUS
FORD FOCUS
3,140 complaints
- TOYOTA COROLLA
TOYOTA COROLLA
2,767 complaints
- HONDA CR-V
HONDA CR-V
2,375 complaints
What this shows The HONDA ACCORD draws the most NHTSA complaints from California drivers. State-level volume reflects how common a model is locally as much as its defect rate.
Full ranking: top 50 most-complained vehicles in California
Most-Complained California Vehicles
Sources: NHTSA Office of Defects Investigation (ODI) complaints database, with fatality-linked filings cross-checked against NHTSA FARS and crash-test ratings drawn from NHTSA NCAP. State is self-reported by the vehicle owner.
How California compares to the national picture
State-level complaint counts in the NHTSA database are heavily shaped by population, registered-vehicle density, and reporting culture. Larger states like California, Texas, and Florida sit at the top of the ranked list almost regardless of model mix, because the absolute number of vehicles on the road there dwarfs smaller jurisdictions. To use California's totals fairly, consider the per-capita complaint rate against the U.S. average — and check whether a specific model's share of California complaints is significantly higher than that model's national share. When the local share is disproportionate, that's a stronger signal of a regional defect pattern (weather-related corrosion, fuel-formulation interactions, terrain-related wear) than a generic country-wide design flaw.
Other PlainCars data for California
Beyond this state-level vehicle complaint roll-up, PlainCars surfaces national-level views you can use to triangulate a model that caught your eye:
- Most-complained models nationally
- Most-recalled models nationally
- Safest models by NHTSA NCAP
- National repair-cost CPI trends
- Browse all car models alphabetically
A note on self-reported state data
The state field on each NHTSA complaint is supplied by the consumer at the time of filing — there is no mandatory validation that the owner is filing from their state of registration, nor that the incident occurred in that state. In practice this means a complaint filed by a California resident about a vehicle they purchased in a neighboring state is still tagged to California; conversely, an out-of-state visitor whose vehicle developed an issue while driving through California but who filed from their home state will not appear in this view. NHTSA does not deduplicate by VIN across years, so multi-year complaints from the same vehicle accumulate in the totals. When using this page as a starting point for buying-decision research, treat California's ranking as directional, not absolute, and pair it with the model-level rankings linked above.
Frequently Asked Questions
How many vehicle complaints have been filed in California?
What are the most complained-about vehicles in California?
Where does the state vehicle complaint data come from?
Can I file a vehicle complaint for my state?
Read our methodology — how this data is sourced, computed, and verified.