2021 Ram 4000
2021 Ram 4000
Overview
The 2021 Ram 4000 is a heavy-duty truck designed for commercial and vocational applications, emphasizing robustness and capability. Reliability data for this model year indicates a generally solid performance, particularly in its core powertrain components. While specific issues are not widespread, some owners have reported isolated incidents that, while not indicative of a systemic problem, are worth noting for potential buyers. The truck’s focus on durability means that major component failures are uncommon, and most reported concerns are manageable. Maintenance and proper usage are key to maximizing the longevity of this workhorse vehicle.
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 Independent Front Suspension
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Solid Rear Axle
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Electrical
Standard Electrical System
Intermittent Warning Lights
- Symptoms: Occasional illumination of dashboard warning lights without apparent cause.
- Solution: Diagnostic scan to identify fault codes, potential sensor replacement or software update.
- Cost: $150 - $350
Exterior
Body Panels and Trim
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Headlights and Taillights
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Interior
Seating and Upholstery
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Infotainment System
Occasional Freezing
- Symptoms: The infotainment screen may temporarily freeze or become unresponsive.
- Solution: Software update or system reset.
- Cost: $50 - $150
Summary Verdict
The 2021 Ram 4000 demonstrates strong reliability, especially concerning its powertrain. The 6.7L Cummins diesel engine and the Aisin automatic transmission are known for their durability and are generally free from significant issues. Suspension components are robust, designed to handle heavy loads. Minor concerns are primarily isolated electrical glitches, such as intermittent warning lights, and occasional infotainment system unresponsiveness, both of which are typically resolved with software updates or simple diagnostics. Overall, the Ram 4000 is a dependable choice for demanding applications, with a low incidence of major mechanical failures.