NHTSA Complaints Database

1,948,370real complaints filed with the U.S. National Highway Traffic Safety Administration (NHTSA) · 1995–present

Explore complaint patterns by brand, model, and year. Identify common defects, compare reliability across models, and spot years with elevated complaint volumes.

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What this data shows — and doesn't show. NHTSA complaints are owner-submitted safety reports, not verified failures. They reflect reporting behavior as much as actual defects — mass-market brands get more complaints than luxury brands due to demographics, not reliability. We show model + year level problems (where the signal is strongest) rather than misleading brand-level rankings. Recalls are manufacturer-acknowledged defects and are more reliable.
Total Complaints
1,948,370
1995–present
Recalls
183,652
Crash Reports
120,287
Fire Reports
44,849
Injuries
105,105
Fatalities
5,736

Years to Avoid

Specific model years with 2x+ the average complaint count for that model — a strong signal of manufacturing defects.

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Most Problematic Models (2012–2026)

Ranked by complaints per 10,000 vehicles sold — normalized for sales volume so popular models don't dominate simply because more of them are on the road.

What Breaks Most

Component failure rankings across all brands — which parts generate the most NHTSA safety complaints.

Engine Problems108,533Electrical Faults88,954Transmission / Drivetrain79,376Steering Defects48,380Brakes42,265Airbags34,806Fuel System31,757Unintended Acceleration22,446Body Structure21,094
ComponentComplaintsCrash %
Engine Problems108,5331.6%
Electrical Faults88,9542.4%
Transmission / Drivetrain79,3762.9%
Steering Defects48,3804.6%
Brakes42,26511.7%
Airbags34,80624.0%
Fuel System31,7572.3%
Unintended Acceleration22,44613.6%
Body Structure21,0948.5%

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Methodology & Limitations

Data source: NHTSA Office of Defects Investigation (ODI) complaints database and recalls database. Complaints are consumer-submitted safety reports. Recalls are manufacturer-initiated.

What this is NOT: This is not a reliability ranking. NHTSA complaints measure safety concerns reported by owners, not verified mechanical failures or overall reliability. A car with many complaints may simply have more engaged owners or a larger fleet.

Reporting bias: Luxury brand owners are less likely to file NHTSA complaints (they go to dealers). High-volume, affordable brands get disproportionately more complaints. We focus on model+year level data where the signal is strongest — a 3x complaint spike for a specific model year indicates a real manufacturing issue, regardless of reporting bias.

Time filtering: Default view shows 2012–2026 model years (relevant for used car buyers). Older data has survivorship bias (scrapped cars generate no complaints).

Severity weighting: Problem models are ranked bycomplaints + crashes×3 + fires×5 + injuries×10 + deaths×50then normalized per 10,000 US vehicles sold. This prioritizes safety-critical issues and prevents popular models from dominating simply because more of them are on the road.

Minimum sample size: Models must have ≥500 NHTSA complaints and ≥50,000 US units sold before appearing on the ranked list. Models below either threshold are excluded — a single bad month can swing a low-volume rate enough to rank a car unfairly.

Scope: Passenger cars and light-duty trucks only. Motorcycles, ATVs, and commercial heavy-duty trucks (Freightliner, Kenworth, Peterbilt, Mack, etc.) are filtered out — this page is for consumer car research.

Frequently Asked Questions

What is the NHTSA complaints database?

The NHTSA ODI (Office of Defects Investigation) consumer complaints database is the U.S. government's public record of safety issues reported by vehicle owners. It contains 1,948,370 complaints from 1995 to present, covering every major car brand sold in the United States. Unlike recalls (manufacturer-acknowledged defects), complaints are unverified owner reports — but patterns across many owners of the same model year reveal real manufacturing problems. Source: VinItel, vinitel.com/stats/nhtsa-complaints.

Which car models have the most safety complaints per vehicle sold?

Ranked by complaints per 10,000 US vehicles sold (2012–2026, minimum 500 complaints + 50,000 sales), the top models are: Tesla Model S (177.6 per 10K sold), Hyundai Ioniq 5 (121.0 per 10K sold), Kia EV6 (104.9 per 10K sold). Normalizing by sales prevents high-volume mainstream models from dominating simply because more of them are on the road. Full list with crash, fire, injury, and fatality breakdowns at vinitel.com/stats/nhtsa-complaints#problematic-models.

How do I find which years of a specific car model to avoid?

We identify model years whose NHTSA complaint count is 2.5× or more above that model's annual average — a strong signal of manufacturing defects rather than normal reporting variance. Currently the worst is the 2014 Jeep Cherokee with 3,941 complaints (2.8× the model average). Pick any make + model at vinitel.com/stats/nhtsa-complaints to see the year-by-year breakdown.

Are NHTSA complaints the same as recalls?

No. NHTSA complaints are unverified safety reports filed by individual vehicle owners — they signal potential problems. Recalls are legally binding defect announcements issued by manufacturers (often after NHTSA investigates a pattern of complaints). Both are tracked on every model + year page on VinItel. Recalls are the stronger signal of a confirmed issue; complaints are the earlier signal that often precedes recalls by months or years.

Why do electric vehicles dominate the most-problematic-models list?

Three factors: (1) EV owners report issues more frequently than average owners — they're typically more engaged with early-adopter products. (2) Most EVs on the list are first or second generation vehicles; new platforms always have more early-production defects than mature gasoline models with 10+ years of refinement. (3) Sales volumes for individual EV models are still small compared to mainstream cars, so per-10K-sold rates can be elevated while absolute complaint counts remain lower than a Ford F-150. This ranking reflects complaints per vehicle sold, which normalizes for fleet size.

What does 'complaints per 10,000 vehicles sold' mean?

It's the normalized complaint rate: (complaint count ÷ US sales) × 10,000. So a model with 5,000 complaints across 1,000,000 vehicles sold = 50 per 10K. This normalizes by sales volume so a Tesla Model S with 290,000 sold isn't unfairly compared to a Ford F-150 with 15 million sold. Sales data is sourced from goodcarbadcar.net; coverage varies by model year. VinItel requires ≥500 complaints + ≥50,000 units sold before publishing a rate to prevent small-sample noise.

What car component breaks most often?

Across all brands and years (2012–2026), the most-reported component category in NHTSA complaints is Engine Problems with 108,533 complaints and a 1.6% crash-involvement rate. See the full component breakdown at vinitel.com/stats/nhtsa-complaints#what-breaks-most.

How is this different from Consumer Reports or J.D. Power?

Consumer Reports and J.D. Power rely on surveys — small samples of owners who volunteer to answer questionnaires. NHTSA complaints are the full population of owners who cared enough to file an official government safety report, making it a much larger and self-selected-for-severity dataset. VinItel's analysis weights complaints by severity (crashes, fires, injuries, deaths) and normalizes by sales volume so the signal isn't drowned out by high-volume models. The raw NHTSA data is public domain; our value-add is aggregation and normalization.

Is this data free to use?

Yes. All reliability statistics at vinitel.com/stats/nhtsa-complaints are free, no signup required. The underlying NHTSA data is U.S. government public domain. VinItel's value-add (normalization, canonical model mapping, severity weighting, per-10K rates) is also freely accessible. Individual VIN history reports are paid ($4.99 per VIN vs. Carfax $44.99) but the aggregate reliability research is open.