2020 RAM 3500 Reliability ReportKeepScore 82/100 · top failure points · buy or avoid
Quick Facts · 2020 RAM 3500
- Scores 6 points below the strongest nearby year — the 2018 RAM 3500 earns a 88.
- The system most likely to surface first: diesel emissions system (major severity).
- Has 11 NHTSA recalls on record — the most notable involves the engine and engine cooling:engine:oil/lubrication.
2020 RAM 3500: Buy or Avoid?
The 2020 RAM 3500 is a formidable heavy-duty truck, offering incredible capability and a comfortable interior, but it's not without its specific high-cost risks. While the core powertrains are generally robust, the complex diesel emissions systems and common front-end wear points can lead to expensive repairs, mandating meticulous maintenance and a thorough pre-purchase inspection. For the right owner, it's an excellent workhorse, but proceed with caution and a healthy repair budget.
While an incredibly capable and comfortable truck, the 2020 RAM 3500 comes with specific reliability caveats centered around its diesel emissions system and front-end durability. It is an excellent choice for those who genuinely need its immense capabilities and are prepared for the higher maintenance and potential…
Best Model Years
2019, 2020, 2021 (part of the 5th generation, offering the best combination of capability and refinement)
Years to Avoid
None specifically for the 2020 model year, but be more cautious with prior generations' earlier diesel emissions systems.
Biggest Strengths
- Exceptional towing and hauling capabilities
- Robust core engine (especially Cummins) and heavy-duty drivetrain components
- Luxurious and well-appointed interior for a work truck
2020 RAM 3500 — Known Trouble Spots
The systems that tend to fail first on the 2020 RAM 3500, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.
Components like the Diesel Particulate Filter (DPF), Selective Catalytic Reduction (SCR)/DEF system, and Exhaust Gas Recirculation (EGR) coolers are prone to clogging, sensor failures, and fluid pump issues due to their complexity and op…
Due to the immense weight and demanding work cycles (towing, plowing, rough roads), components such as ball joints, tie rods, track bar, and steering gearboxes can develop premature wear, leading to looseness, wandering, and occasionally…
Modern RAM trucks are packed with technology. Issues can arise with the Uconnect infotainment system (freezing, glitches), various sensors (e.g., parking, tire pressure, emissions sensors), and wiring harness chafing, leading to unexpect…
2020 RAM 3500 Mileage Danger Zones
The mileage windows when the 2020 RAM 3500 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, most trucks are still under factory warranty. Any issues are typically minor software glitches or early-life sensor failures, which should be covered.
Maintenance Zone
This mileage often coincides with the end of the bumper-to-bumper warranty. Diesel models will require significant emissions system checks and filter replacements (fuel, DEF). Front suspension should be thoroughly inspected for early wear.
Elevated Risk Zone
Beyond this point, expect to start addressing higher-cost wear items. Diesel emissions components like the DPF or DEF pump are increasingly likely to require replacement. Front suspension components will likely need attention if not alre…
High Risk Zone
This is where major component longevity becomes a factor. Diesel injectors, turbos, and high-pressure fuel pumps may begin to show wear. Transmission rebuilds are not uncommon if the truck has been worked hard and not meticulously mainta…
2020 RAM 3500 Ownership Cost Outlook
What it typically costs to keep the 2020 RAM 3500 on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$600-1,200 (gas), $1,000-2,000+ (diesel)
Moderate Repairs
$500-2,500 for common issues like suspension or emissions sensors occasionally
How Long Does the 2020 RAM 3500 Last?
For maximum longevity, prioritize a 2020 RAM 3500 with a detailed service history, especially if it's a diesel. Be prepared for increased maintenance and potential high-cost repairs once it passes the 60,000-mile mark, regardless of powertrain.
What 2020 RAM 3500 Owners Actually Say
What Owners Love
- Unmatched towing and hauling capacity for demanding jobs
- Superior interior comfort, technology, and luxury appointments
- Powerful engine options, especially the legendary Cummins diesel
- Robust frame and heavy-duty construction inspire confidence
Common Frustrations
- Frequent and expensive maintenance, particularly for the diesel engine
- High cost of diesel fuel and DEF fluid adds to running costs
- Complex emissions systems are prone to failure and costly repairs
- Front-end steering and suspension components can wear prematurely
Who Should Buy the 2020 RAM 3500?
Best For
- Heavy-duty towers (RVs, large boats, equipment)
- Contractors and tradespeople needing immense payload
- Ranchers and farmers for agricultural work
Not Ideal For
- Daily commuters or urban drivers due to size and fuel economy
- Budget-conscious buyers seeking minimal operating costs
How the 2020 RAM 3500 Compares to Rivals
The 2020 RAM 3500 holds its own against competitors, offering a strong package. Its reliability is generally on par with other modern heavy-duty trucks, meaning it's highly capable but subject to the inherent complexities and costs of these specialized vehicles.
More Reliable Than
- Older generation heavy-duty trucks (pre-2010 emissions era)
- Some competitors with less refined interiors
Comparable To
- 2020 Ford F-350 Super Duty (similar emissions challenges)
- 2020 Chevrolet Silverado 3500HD (similar heavy-duty wear points)
Safety Recalls on the 2020 RAM 3500
11 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
Chrysler (FCA US, LLC) is recalling certain 2019-2020 Ram 3500, 4500, and 5500 cab chassis vehicles equipped with a Cummins 6.7L High Output engine. The engine calibration software may not warn about low oil volume.
VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES
Chrysler (FCA US, LLC) is recalling certain 2019-2020 Ram 2500 and Ram 3500 vehicles, Ram 3500 Cab Chassis, 4500 Cab Chassis, 5500 Cab Chassis and 3500 Cab Chassis with a gross vehicle weight rating (GVWR) of less than 10,000 lbs. The windshield wiper arms may loosen, possibly causing the wipers to function improperly and reduce the driver's visibility in certain weather conditions.
What breaks on the 2020 RAM 3500?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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RAM 3500 — Year-by-Year Comparison
Compare KeepScores across nearby years of the RAM 3500. Click any year for its full report.
Competing 2020s Worth a Look
Similar class, similar year range — ranked by KeepScore.
Relevant Products for Your 2020 RAM 3500
Parts and accessories matched to your 2020 RAM 3500
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Frequently Asked Questions
Related Comparisons
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