2018 Ford F-350 Reliability ReportB+ grade · low risk · system-by-system breakdown
Quick Facts · 2018 Ford F-350
- The system most likely to surface first: 6.7l power stroke fuel system (critical severity).
- Has 2 NHTSA recalls on record — the most notable involves the engine.
- Outscores the 2016 Ford F-350 by 9 points — one of the stronger nearby years to consider.
Is the 2018 Ford F-350 Worth Buying?
The 2018 Ford F-350 stands as a formidable workhorse, offering exceptional capability and impressive durability, particularly with the proven 6.2L gasoline engine. While the 6.7L Power Stroke diesel delivers immense power, it demands diligent maintenance to prevent potentially crippling repair costs, making it a solid choice for those needing serious hauling power, provided they're prepared for specialized care.
The 2018 Ford F-350 is an exceptional truck for those who truly need its heavy-duty capabilities, and it can be a reliable partner. However, if you are considering the 6.7L Power Stroke diesel, you absolutely must be prepared for the higher cost of maintenance and the potential for extremely expensive, complex syste…
Best Model Years
2017-2019 (generally considered strong years post-refresh, before newer transmission/engine changes in 2020)
Years to Avoid
None specifically for the F-350 if well-maintained, but earlier 6.7L diesels (2011-2014) had more widespread initial issues than later revisions.
Biggest Strengths
- Exceptional towing and payload capacity
- Robust frame and drivetrain (especially 6.2L gas)
- Strong resale value
What Tends to Fail First on the 2018 Ford F-350
The systems that tend to fail first on the 2018 Ford F-350, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.
High-pressure fuel pump (HPFP) failures can occur, often due to fuel contamination or design flaws. This can shower the entire fuel system with metal shavings, necessitating complete replacement of pumps, injectors, and fuel lines.
Components like the Diesel Particulate Filter (DPF), Exhaust Gas Recirculation (EGR) valve/cooler, and Selective Catalytic Reduction (SCR)/DEF system are prone to clogging, sensor failures, or heater element issues. These systems are cri…
Heavy use and payload can accelerate wear on ball joints, tie rod ends, track bars, and wheel bearings. While not a design flaw, these components will require replacement periodically to maintain steering integrity and prevent the 'death…
2018 Ford F-350 Mileage Danger Zones
The mileage windows when the 2018 Ford F-350 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Early Service & Recall Zone
At this mileage, most initial bugs or manufacturing defects should have manifested and been addressed under warranty. Ensure all factory recalls and TSBs, especially those related to steering (18S13) or transmission (18S17), have been co…
Key Maintenance & Wear Check Zone
This mileage often marks the interval for significant maintenance items. For diesels, it's crucial to service the DPF and check DEF system components. Brake components and initial front suspension wear items (e.g., ball joints, tie rod e…
Elevated Component Risk Zone
This is where more significant and costly diesel-specific issues can begin to emerge if maintenance has been neglected. Pay close attention to the health of the 6.7L's exhaust aftertreatment system and potential for HPFP issues. Front-en…
High Risk / Major Overhaul Zone
Beyond 120k miles, the F-350 is entering a phase where major component replacements become more probable. For diesels, this includes turbocharger wear, persistent emission system issues, and the heightened risk of HPFP failure. Comprehen…
2018 Ford F-350 Ownership Cost Outlook
What it typically costs to keep the 2018 Ford F-350 on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$500-800 (gas); $800-1,500+ (diesel)
Moderate Repairs
$500-1,500 for suspension components or electrical fixes annually or bi-annually.
How Long Does the 2018 Ford F-350 Last?
For gas models, a well-maintained F-350 can easily exceed 200,000 miles with proper care. For diesel models, aim for a history with religious maintenance and be prepared for potential high-cost component replacements past 100,000 miles, making a comprehensive pre-purchase inspection non-negotiable.
What 2018 Ford F-350 Owners Actually Say
What Owners Love
- Unmatched towing and hauling capabilities for serious work
- Comfortable interior, especially in higher trims, for long hauls
- Powerful engine options (both gas and diesel deliver strong performance)
- Robust and solid feel on the road, inspiring confidence
Common Frustrations
- Poor fuel economy, especially with the diesel in stop-and-go traffic
- High cost of diesel repairs and maintenance (fuel system, emissions)
- Large size can make parking and maneuvering in urban areas challenging
- Infotainment system (SYNC 3) can be buggy or slow at times
Who Should Buy the 2018 Ford F-350?
Best For
- Heavy equipment haulers or commercial contractors
- Fifth-wheel or large travel trailer owners
- Individuals needing maximum payload capacity
Not Ideal For
- Daily drivers in urban environments (due to size and fuel economy)
- Budget-conscious owners seeking low long-term running costs (especially diesel)
How the 2018 Ford F-350 Compares to Rivals
The F-350 is a top-tier heavy-duty truck, directly competing with the Ram and GM 3500-series. It excels in raw capability and has a loyal following. While the gas engine is arguably more reliable than some competitors' gas V8s, the 6.7L Power Stroke, despite its immense power,…
More Reliable Than
- Nissan Titan XD (for heavy-duty capability)
- Older generation Super Duties (in terms of refinement and power)
- Ram 2500/GM 2500 (in max towing/payload, if configured accordingly)
Comparable To
- Ram 3500
- Chevrolet Silverado 3500HD / GMC Sierra 3500HD
2018 Ford F-350 Recall History
2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
ENGINE
Ford Motor Company (Ford) is recalling certain 2015-2019 Ford F-150 and 2017-2019 Ford F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, and F-550 Super Duty pick-up trucks equipped with an engine block heater. Water and contaminants may get into the block heater cable's splice connector causing corrosion and damage.
EQUIPMENT
VCI Emergency Vehicle Specialists (VCI) is recalling certain 2017-2018 Ford F-550, 2014 E-350 and E-450, 2015 F-250 and F-450, 2016 E-450, 2017 E-350, F-450 and E-450, 2018 F-350, 2010 E-450, 2005-2006 E-450, 2009 E-450 and Chevrolet C4500-based Type I and Type III ambulances equipped with ASA Electronics Voyager monitors used to display the back-up camera image. The monitors may unexpectedly revert back to the factory default settings which may cause the camera image to be reversed.
What breaks on the 2018 Ford F-350?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Other Ford F-350 Years to Consider
Compare KeepScores across nearby years of the Ford F-350. Click any year for its full report.
2018 Ford F-350 Alternatives
Similar class, similar year range — ranked by KeepScore.
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