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What 598 owners told NHTSA about the 2018 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 (598)Crash / fire / injury (36)Steering (224)Fuel system (159)Electrical system (51)Engine (50)Brakes (21)Airbags (20)Body & structure (19)Transmission & drivetrain (14)Visibility & wipers (13)Driver assistance (8)

2 of 598 complaints match · Engine · crash/fire/injury only · clear filters

Jan 3, 2025Fuel systemEngineCrash2 injuries

The contact owns a 2018 Honda Civic. The contact stated while driving on a decline of a public garage road and depressing the brake pedal, the vehicle stalled. The contact continuously depressed the brake pedal, but the vehicle failed to respond, and the power steering became inoperable. The vehicle rolled at approximately 20-30 MPH and crashed into the wall of the garage. The wall sustained minor damage. There was no warning light illuminated. The contact stated that messages advising of engine system failure, supplementary restraint system failure, and electric power steering failure were displayed on the vehicle mobile app. The front driver's side and passenger's side air bags deployed. The emergency units arrived and provided first aid to both the contact and his sister, who was occupying the front passenger's side seat during the incident. The contact's sister sustained chest pain and was in the process of receiving medical assistance. The contact sustained lower back pain and was in the process of receiving medical assistance. No police report was filed. The vehicle was towed to the dealer but was not diagnosed. The vehicle was not repaired. The contact related the failure to NHTSA Campaign Number: 23V858000(Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the failure. The failure mileage was approximately 60,000. Parts distribution disconnect.

NHTSA ODI 11633908

Mar 24, 2021EngineFire

TL* THE CONTACT OWNS A 2018 HONDA CIVIC. THE CONTACT STATED THAT WHEN DRIVING AT 45 MPH, THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE STALLED AND SMOKE EMITTED FROM UNDER THE HOOD. THE VEHICLE WAS TOWED TO SERVICE CENTER AT HOLMAN HONDA LOCATED AT 12 EAST SUNRISE BLVD, FORT LAUDERDALE, FL 33304 PHONE (954) 607-6730. THE DEALER PERFORMED A DIAGNOSTIC THAT FOUND THAT THE ENGINE SHORT BLOCK FRACTURED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED. THE FAILURE MILEAGE WAS 36,000.

NHTSA ODI 11404701

Working with the data? Download all 598 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 2018 Honda Civic Si verdict →