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2021 Ram 4500

2021 Ram 4500

Overview

The 2021 Ram 4500 is a heavy-duty truck designed for commercial and demanding applications. Reliability for this model year is generally strong, particularly concerning its powertrain options. Owners and fleet managers can expect robust performance, though like any commercial vehicle, specific components may experience issues under heavy use. This analysis focuses on documented technical reliability concerns beyond standard maintenance, providing insights into potential problem areas and their associated costs for the available engine and transmission configurations.


Engine

6.7L Cummins Turbo Diesel

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Transmission

AISIN AS69RC (6-Speed Automatic)

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Suspension

Heavy-Duty Suspension System

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Electrical

Infotainment System

Intermittent Glitches

  • Symptoms: Screen freezing, unresponsiveness, or occasional reboots.
  • Solution: Software updates or system reset.
  • Cost: $100 - $300

Trailer Towing Harness

Corrosion/Loose Connections

  • Symptoms: Intermittent or complete failure of trailer lights and braking systems.
  • Solution: Cleaning and securing connections, or replacement of harness.
  • Cost: $150 - $400

Exterior

Body Panels

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Headlights/Taillights

Condensation

  • Symptoms: Moisture buildup inside light housings.
  • Solution: Sealing or replacement of light assembly.
  • Cost: $200 - $600

Interior

Seat Upholstery

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

HVAC System

Blower Motor Failure

  • Symptoms: No airflow or intermittent airflow from vents.
  • Solution: Replacement of the blower motor.
  • Cost: $250 - $500

Summary Verdict

The 2021 Ram 4500 demonstrates solid reliability, especially with its robust 6.7L Cummins Turbo Diesel engine and AISIN AS69RC transmission, which are workhorses in the commercial vehicle segment. Most reported issues are minor and related to electrical components like the infotainment system or trailer harness connections, often fixable with software updates or simple repairs. Exterior and interior components are generally durable, with occasional reports of condensation in light housings or HVAC blower motor issues. Overall, the Ram 4500 is a dependable choice for heavy-duty tasks, with potential issues being manageable and not indicative of systemic powertrain weaknesses.

This post is licensed under CC BY 4.0 by the author.