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.
