2015 RAM 3500 Reliability ReportCommon Problems, Repair Costs & Expert Verdict
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Quick Facts · 2015 RAM 3500
- Has 16 NHTSA recalls on record — the most notable involves the steering:linkages:drag:link:connection.
- Scores 4 points below the strongest nearby year — the 2017 RAM 3500 earns a 82.
- The system most likely to surface first: diesel emissions system (dpf/egr) (major severity).
The 2015 RAM 3500 at a glance
- Is the 2015 RAM 3500 reliable?
- Autojunket rates the 2015 RAM 3500 78/100 (grade C+), categorized as moderate risk. A powerhouse truck that demands proactive maintenance and a readiness for costly system-specific repairs to fully leverage its heavy-duty potential.
- Should I buy a used 2015 RAM 3500?
- Autojunket recommends reading the full reliability report before buying a 2015 RAM 3500. The 2015 RAM 3500 is an incredibly capable truck that delivers on its promise of heavy-duty performance. However, due to the inherent complexities of its diesel emissions systems and the known lifter issues with the 6.4L Hemi, it demands a proactive owner. If you understand these potential pitfalls, commit to rigoro…
- Which RAM 3500 years are the most reliable?
- Best model years to buy: 2018-2019 (minor improvements, still pre-major redesign). Years to avoid: None explicitly to avoid from this generation, but the early years (2010-2012) had more prevalent rust issues and less refined interiors..
- What are the most common problems with the 2015 RAM 3500?
- The top failure points on the 2015 RAM 3500 are Diesel Emissions System (DPF/EGR) (typically around 60,000-120,000 miles), 6.4L Hemi Engine Lifters/Camshaft (typically around 70,000-110,000 miles), Front Suspension & Steering Components (typically around 50,000-90,000 miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.
- At what mileage do problems start on the 2015 RAM 3500?
- The first major mileage danger zone for the 2015 RAM 3500 is around 30,000. Low Risk Zone — At this mileage, the truck is still relatively new. Most issues would be covered under warranty and typically involve minor electrical glitches or early brake wear, especially if used for heavy towing from new.
Every answer is generated from real repair, recall, and ownership data — full breakdown in the report.
Read the full free reportShould You Buy the 2015 RAM 3500?
The 2015 RAM 3500 is a formidable heavy-duty truck, offering incredible capability for towing and hauling, especially with the Cummins diesel. While its core drivetrain components are robust, owners must anticipate potential issues with complex emissions systems on diesel models and specific engine concerns on gasoline variants. It's a solid workhorse, but requires diligent maintenance and a budget for potential high-cost repairs to maintain its legendary performance.
The 2015 RAM 3500 is an incredibly capable truck that delivers on its promise of heavy-duty performance. However, due to the inherent complexities of its diesel emissions systems and the known lifter issues with the 6.4L Hemi, it demands a proactive owner. If you understand these potential pitfalls, commit to rigoro…
Best Model Years
2018-2019 (minor improvements, still pre-major redesign)
Years to Avoid
None explicitly to avoid from this generation, but the early years (2010-2012) had more prevalent rust issues and less refined interiors.
Biggest Strengths
- Exceptional towing and payload capacity
- Durable frame and heavy-duty chassis components
- Powerful engine options (especially 6.7L Cummins)
Top Risk Areas
The systems that tend to fail first on the 2015 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.
Clogging or failure of the Diesel Particulate Filter (DPF), Exhaust Gas Recirculation (EGR) valve, cooler, or DEF (Diesel Exhaust Fluid) system components. These systems are prone to issues from short trips, excessive idling, or poor fue…
On the 6.4L Hemi gasoline engine, lifters can fail and cause damage to the camshaft lobes, often presenting as a ticking noise that escalates. This is commonly related to the Multi-Displacement System (MDS) and can lead to significant in…
Due to the sheer weight and intended heavy use, front-end components such as ball joints, tie rod ends, control arm bushings, and wheel bearings experience accelerated wear. This manifests as loose steering, clunking noises, or uneven ti…
2015 RAM 3500 Mileage Danger Zones
The mileage windows when the 2015 RAM 3500 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, the truck is still relatively new. Most issues would be covered under warranty and typically involve minor electrical glitches or early brake wear, especially if used for heavy towing from new.
Maintenance Zone
This mileage often coincides with major factory service intervals. Expect to address wear items like tires and brakes, and potentially early signs of front suspension component wear. Diesel emissions system issues may start to emerge her…
Elevated Risk Zone
Beyond 90,000 miles, the likelihood of more significant component failures increases. Diesel emissions systems become more problematic, and for gasoline Hemi engines, lifter issues can begin to surface. Transmission service, if neglected…
High Risk Zone
At this mileage, you're entering the territory where major system components may require significant overhaul or replacement. This includes fuel system components, turbocharger service, full emissions system overhauls, and potentially tr…
2015 RAM 3500 Ownership Cost Outlook
What it typically costs to keep the 2015 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 (higher for diesel, especially with DEF)
Moderate Repairs
$1,000-3,000 occasionally (e.g., front-end rebuild, DPF sensor)
How Long Does the 2015 RAM 3500 Last?
Focus on purchasing a truck with meticulously documented maintenance history, especially for diesel models. Lower mileage is always preferable, but a high-mileage example with verifiable proactive maintenance can often be a better bet than a low-mileage truck with no history.
What 2015 RAM 3500 Owners Actually Say
What Owners Love
- Unmatched towing and payload capabilities
- Powerful engine options provide confident acceleration even when loaded
- Comfortable and well-appointed interior for a heavy-duty truck
- Commanding road presence and robust feel
Common Frustrations
- Poor fuel economy, especially with the Hemi or when towing heavy
- Stiff ride quality when unloaded, typical for HD trucks
- High cost of diesel maintenance and potential emissions system repairs
- Uconnect infotainment system can be buggy and slow
Who Should Buy the 2015 RAM 3500?
Best For
- Owners who regularly tow heavy RVs or equipment
- Commercial contractors needing maximum payload and towing
- Rural residents with demanding hauling needs
Not Ideal For
- Daily drivers in urban environments
- Budget-conscious buyers seeking minimal maintenance costs
How the 2015 RAM 3500 Compares to Rivals
The 2015 RAM 3500 is directly competitive with the Ford F-350 and GM 3500HD trucks of the same year. All suffer from similar challenges related to modern diesel emissions systems and heavy-duty wear items, but the RAM offers a strong powertrain and a generally more refined int…
More Reliable Than
- 2015 Chevrolet Silverado/GMC Sierra 3500HD (marginal power advantages, potentially lower DEF issues)
- Some older generation heavy-duty trucks (in terms of comfort and technology)
Comparable To
- 2015 Ford F-350 Super Duty (similar strengths and weaknesses, especially regarding diesel emissions)
NHTSA Recalls
16 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
STEERING:LINKAGES:DRAG:LINK:CONNECTION
Chrysler (FCA US LLC) is recalling certain 2013-2018 Ram 3500 and 2014-2018 Ram 3500 Chassis Cab and Ram 2500 vehicles. The outboard steering linkage jam nut may loosen, allowing one end of the drag link to separate.
STEERING:LINKAGES
Streetcar ORV LLC (Streetcar) is recalling certain American Expedition Vehicles (AEV) 3" Dualsport aftermarket suspension kits, part numbers N0436000 and N0436001, sold for installation on 2013-2018 RAM 2500 and 3500HD trucks. Improper installation and machining of the original equipment steering knuckle may weaken the joint between the steering drag link and knuckle.
What breaks on the 2015 RAM 3500?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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RAM 3500 by Year
Compare AutoScores across nearby years of the RAM 3500. Click any year for its full report.
If You're Considering This, Also Look At
Similar class, similar year range — ranked by AutoScore.
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Where the 2015 RAM 3500 report beats Carfax + CR
Carfax tells you if it crashed. Consumer Reports rates the whole nameplate. Autojunket tells you what will actually break on this specific year — and how to negotiate it.
Year-specific reliability score
Common problems + repair costs
Mileage danger zone map
AI negotiation script + walk-away price
Single report price
Frequently Asked Questions
Related Comparisons
Sell your 2015 RAM 3500 for what it's actually worth.
Log every service on your RAM 3500. When it's time to sell, hand the buyer a signed PDF — every receipt, mileage-verified, close the deal at your price.
- OSC Transfer PDF — every receipt
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