Worst years for a Ford F-550 SD
Owners have filed 613 complaints about the Ford F-550 SD with NHTSA across model years 1997 to 2026. More of them are about the fuel & propulsion than anything else.
Avoid
1999 Ford F-550 SD92 complaints — the highest FaultScore of any year, mostly transmission & drivetrain.
Every Ford F-550 SD year, graded
The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.
| Year | Grade | Complaints | Crashes | Fires | Median miles | Most reported |
|---|---|---|---|---|---|---|
| 2026 | — | 3 | 0 | 0 | — | Transmission & Drivetrain |
| 2025 | — | 3 | 0 | 0 | — | Steering |
| 2024 | — | 5 | 0 | 0 | — | Driver Assist & Collision Avoidance |
| 2023 | — | 1 | 0 | 0 | — | Lights |
| 2022 | B | 15 | 0 | 1 | — | Electrical System |
| 2021 | C | 16 | 0 | 5 | — | Fuel & Propulsion |
| 2020 | — | 7 | 3 | 0 | — | Fuel & Propulsion |
| 2019 | — | 4 | 0 | 2 | — | Engine & Cooling |
| 2017 | — | 5 | 0 | 0 | 22,000 | Transmission & Drivetrain |
| 2016 | — | 4 | 0 | 0 | — | Engine & Cooling |
| 2015 | D | 18 | 3 | 3 | 22,350 | Engine & Cooling |
| 2014 | C | 10 | 0 | 2 | 33,006 | Engine & Cooling |
| 2013 | — | 3 | 0 | 0 | — | Engine & Cooling |
| 2012 | — | 8 | 0 | 0 | — | Engine & Cooling |
| 2011 | — | 4 | 0 | 0 | — | Transmission & Drivetrain |
| 2010 | — | 2 | 0 | 0 | — | Engine & Cooling |
| 2009 | — | 1 | 0 | 0 | — | Fuel & Propulsion |
| 2008 | C | 31 | 2 | 0 | 32,048 | Engine & Cooling |
| 2007 | C | 25 | 0 | 2 | 32,500 | Fuel & Propulsion |
| 2006 | C | 55 | 0 | 1 | 47,140 | Fuel & Propulsion |
| 2005 | B | 41 | 0 | 0 | 50,000 | Fuel & Propulsion |
| 2004 | D | 67 | 1 | 5 | 40,000 | Fuel & Propulsion |
| 2003 | D | 40 | 2 | 6 | 60,753 | Fuel & Propulsion |
| 2002 | C | 31 | 0 | 3 | 41,500 | Fuel & Propulsion |
| 2001 | B | 35 | 0 | 3 | 120,000 | Fuel & Propulsion |
| 2000 | D | 85 | 5 | 3 | 51,500 | Tires |
| 1999 | F | 92 | 0 | 9 | 49,555 | Transmission & Drivetrain |
| 1997 | — | 2 | 0 | 0 | — | Brakes |
What breaks on a Ford F-550 SD
Across every model year on file. Follow a row for that part's complaints and the year it was worst.
Worst in 1999
Worst in 1999
Worst in 2000
Worst in 1999
Worst in 2015
Worst in 2003
Worst in 1999
Exactly what failed on a Ford F-550 SD
The named sub-assemblies behind those complaints, across every model year.
Complaints filed over time
Every complaint about every Ford F-550 SD, by the month it reached NHTSA.
Ford F-550 SD problems by state
Where owners filed from. Heavier states are usually just bigger markets, but a part that fails in heat or salt shows up here first.
Compare the Ford F-550 SD
Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.