Frequent complaints involve transmission problems such as harsh shifting, slipping, and loss of engagement. Engine issues, including fuel dilution in oil and potential leaks, are also noted. Estimated repair cost: $500 - $4,500.

Owners report issues with brake pedal feel, including excessive travel and a soft pedal requiring more force. Estimated repair cost: $400 - $800.

Engine Oil Fuel Dilution

Concerns exist about fuel mixing with engine oil, potentially leading to increased wear. Estimated repair cost: $500 - $1,500.

Electrical System Faults

While less frequent, electrical system issues like door ajar warnings and backup camera malfunctions have been reported. Estimated repair cost: $100 - $500.

CARFOCALvehicle research

2021 Ford Ranger Maintenance guide

Name: Maintenance dataset for 2021 Ford Ranger
Creator: Carfocal

v1.0Updated May 30, 2026Ryan Davis4 Sources Analyzed2 Critical Recalls

MAINTENANCE SUMMARY

The 2021 Ford Ranger demands diligent attention to its powertrain and service brake systems, which are frequent sources of owner complaints. Prioritizing regular inspections for transmission performance and brake pedal feel is crucial.

View Critical Issue: Powertrain Issues

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Reliability Score

Est. Annual Maintenance Cost

$1,500 - $2,500

TSBs & Recalls

12 TSBs | 21 Recalls

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Key Takeaways

Powertrain issues are the most frequently reported, encompassing transmission and engine concerns.
Service brake complaints highlight potential problems with pedal feel and performance.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance