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What 134 owners told NHTSA about the 2021 Honda Civic Si

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (134)Crash / fire / injury (6)Steering (57)Driver assistance (32)Brakes (18)Electrical system (17)Lane Departure (11)Airbags (8)Speed control (6)Engine (5)Fuel system (4)Seats (3)

1 of 134 complaints match · Airbags · crash/fire/injury only · clear filters

Mar 13, 2025AirbagsCrash2 injuries

The contact owned a 2021 Honda Civic. The contact stated that his wife was driving at 30-35 MPH, when another vehicle suddenly merged in front of the vehicle causing a T-bone collision. The vehicle was pushed into the middle of the road from the impact where it came to a stop. All air bags deployed. However, the front passenger-side air bag deployed backward onto the front windshield instead of deploying forward. The contact was unsure whether there was a warning light illuminated. A police report was not filed. EMS was called however, refused to take the contact and his wife to the hospital. The contact's wife sustained unknown injuries and was pending an MRI. The contact sustained whiplash and no medical attention was sought. The insurance company towed the vehicle to a storage location and deemed the vehicle a total loss. The manufacturer was notified of the failure. The failure mileage was 78,000.

NHTSA ODI 11648117

Working with the data? Download all 134 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2021 Honda Civic Si verdict →