Electrical System Malfunctions

Complaints include speedometer issues, warning lights, and Uconnect system freezing. Recalls also target the instrument cluster. These can range from minor annoyances to critical functional failures. Estimated repair cost: $200 - $1,500+.

Concerns include transmission thumping, drive shaft issues, and differential failures. Some reports indicate recurring differential problems, leading to drivetrain failure and vibrations. Estimated repair cost: $500 - $3,000+.

Airbag System Failures

A significant concern involves airbag non-deployment during collisions. This poses a severe safety risk, highlighting the critical importance of a properly functioning airbag system. Estimated repair cost: $300 - $1,000+.

Catastrophic fuel pump failure has been reported at very low mileage. This can lead to sudden loss of propulsion, creating a hazardous driving situation. Estimated repair cost: $400 - $800.

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2021 Dodge Challenger Maintenance guide

Name: Maintenance dataset for 2021 Dodge Challenger
Creator: Carfocal

v1.0Updated May 30, 2026Ryan Davis4 Sources Analyzed

MAINTENANCE SUMMARY

The 2021 Dodge Challenger, with a 'Below Average' LLM reliability score of 5.8, presents a maintenance profile marked by early-life electrical and powertrain concerns. Owners should prioritize vigilance for issues such as instrument cluster malfunctions and potential powertrain vibrations, with 13 recalls and 26 complaints logged.

View Critical Issue: Powertrain Issues

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Reliability Score

Est. Annual Maintenance Cost

$500 - $800

TSBs & Recalls

29 TSBs | 13 Recalls

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Key Takeaways

Prioritize inspection of the electrical system, particularly the instrument cluster.
Address any powertrain noises or vibrations promptly, focusing on transmission and differential health.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance