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What 8 owners told NHTSA about the 2018 Ford F-550
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.
2 of 8 complaints match · Body & structure · clear filters
Feb 11, 2025Body & structure
The contact owns a 2018 Ford F-550. The contact stated while the vehicle was parked, the contact stated that the frame was cracked between the bed and the cab. There were no warning lights illuminated. The vehicle was taken to a dealer where it was confirmed that the vehicle was previously repaired under a related unknown recall and declined to perform the recall repair on a second occasion. The dealer determined that the frame needed to be replaced. The vehicle was not repaired due to the cost. The manufacturer was not made aware of the failure. The failure mileage was approximately 73,000.
NHTSA ODI 11642046
Jul 25, 2024Body & structure
The contact owns a 2018 Ford F-550. The contact stated while driving approximately 10 MPH, the subframe suddenly fractured in half. The contact stated that the fracture occurred near the rear cabin of the vehicle. The vehicle was later towed from the scene. The cause of the failure was not yet determined. The manufacturer and local dealer were notified of the failure, but no assistance was provided. The failure mileage was 268,967.
NHTSA ODI 11604457
Working with the data? Download all 8 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 Ford F-550 verdict →