FaultScore

Worst years for a Ford F-450 SD

Owners have filed 630 complaints about the Ford F-450 SD with NHTSA across model years 1991 to 2026. More of them are about the fuel & propulsion than anything else.

Avoid

2008 Ford F-450 SD

105 complaints — the highest FaultScore of any year, mostly engine & cooling.

Cleanest on record

2002 Ford F-450 SD

15 complaints — the lowest FaultScore of the graded years.

Every Ford F-450 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.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2026 1 0 0 Steering
2025 2 0 0 Transmission & Drivetrain
2024 C 16 0 5 Driver Assist & Collision Avoidance
2023 9 0 1 Brakes
2022 C 37 0 5 75,000 Electrical System
2021 C 26 0 2 78,000 Electrical System
2019 5 0 0 5,000 Transmission & Drivetrain
2017 1 0 0 Transmission & Drivetrain
2016 1 0 0 Brakes
2015 2 0 0 Engine & Cooling
2014 2 0 0 Engine & Cooling
2013 2 0 0 Engine & Cooling
2012 5 0 0 52,000 Steering
2011 B 11 0 1 39,500 Engine & Cooling
2010 4 0 0 Engine & Cooling
2009 5 0 0 134,000 Engine & Cooling
2008 F 105 3 7 28,900 Engine & Cooling
2007 A 19 0 0 60,000 Fuel & Propulsion
2006 C 44 2 0 45,615 Fuel & Propulsion
2005 B 47 0 0 50,150 Fuel & Propulsion
2004 C 43 1 1 59,000 Fuel & Propulsion
2003 B 18 0 0 54,900 Fuel & Propulsion
2002 A 15 0 0 50,000 Fuel & Propulsion
2001 C 28 2 2 71,675 Fuel & Propulsion
2000 D 59 3 2 60,567 Tires
1999 D 76 7 1 88,000 Transmission & Drivetrain
1998 1 0 0 Engine & Cooling
1997 9 0 0 Engine & Cooling
1996 5 0 0 Brakes
1995 2 0 1 Engine & Cooling
1994 3 0 1 Brakes
1993 5 0 0 Engine & Cooling
1992 3 0 0 Engine & Cooling
1991 19 0 0 Engine & Cooling

What breaks on a Ford F-450 SD

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Fuel & Propulsion 146 23.2%

Worst in 2006

Engine & Cooling 134 21.3%

Worst in 2008

Worst in 1999

Brakes 55 8.7%

Worst in 1999

Tires 46 7.3%

Worst in 2000

Worst in 2022

Steering 33 5.2%

Worst in 2008

Body & Structure 14 2.2%

Worst in 2008

Other & Unspecified 14 2.2%

Worst in 1999

Suspension 13 2.1%

Worst in 2000

Acceleration & Cruise Control 13 2.1%

Worst in 2008

Windows, Mirrors & Wipers 12 1.9%

Worst in 1999

Equipment & Accessories 9 1.4%

Worst in 2000

Wheels 7 1.1%

Worst in 2000

Exactly what failed on a Ford F-450 SD

The named sub-assemblies behind those complaints, across every model year.

Diesel 26 19.0%
Tank Assembly 16 11.7%
Clutch Assembly 15 10.9%
Engine 15 10.9%
Antilock/Traction Control/Electronic Limited Slip 15 10.9%
Valve 13 9.5%
Tread/Belt 10 7.3%
Body 9 6.6%
Manual Transmission 9 6.6%
Automatic Transmission 9 6.6%

Complaints filed over time

Every complaint about every Ford F-450 SD, by the month it reached NHTSA.

Jan 1995 peak 14 Aug 2026

Ford F-450 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-450 SD

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.