2015 RAM 2500 Reliability ReportKeepScore 78/100 · top failure points · buy or avoid
Quick Facts · 2015 RAM 2500
- Scores 4 points below the strongest nearby year — the 2017 RAM 2500 earns a 82.
- The system most likely to surface first: diesel emissions system (major severity).
- Has 15 NHTSA recalls on record — the most notable involves the steering:linkages:drag:link:connection.
2015 RAM 2500: Buy or Avoid?
The 2015 Ram 2500 is an incredibly capable heavy-duty truck, offering immense towing and hauling power, particularly with the legendary Cummins diesel. However, its complex diesel emissions systems and some persistent electrical and front-end issues mean it demands diligent maintenance and a healthy repair budget; this isn't a 'set it and forget it' vehicle.
While the 2015 Ram 2500 is undeniably a workhorse built for serious tasks, it's not a light-maintenance vehicle. The potential for expensive diesel emissions repairs and recurring front-end issues means buyers must be prepared for higher running costs and proactive maintenance. If you need its immense capability and…
Best Model Years
For the 4th generation, look for 2016-2018 models where some kinks were worked out, though emissions systems remain a factor.
Years to Avoid
Earlier 4th Gen models (2010-2012) had more prevalent TIPM and interior quality issues.
Biggest Strengths
- Exceptional towing and hauling capacity
- Robust Cummins diesel engine (core)
- Strong frame and driveline components
2015 RAM 2500 — Known Trouble Spots
The systems that tend to fail first on the 2015 RAM 2500, 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.
Failures of the Diesel Particulate Filter (DPF), Selective Catalytic Reduction (SCR) system, Exhaust Gas Recirculation (EGR) valve, and Diesel Exhaust Fluid (DEF) heater are common. These components are critical for compliance but are pr…
Heavy-duty use, combined with the solid front axle design, often leads to premature wear of steering linkages, track bar bushings, ball joints, and tie rods. This can manifest as loose steering, clunking, or the infamous 'death wobble' a…
Owners frequently report issues with the Uconnect infotainment system (freezing, blank screen, Bluetooth connectivity), as well as general electrical gremlins like malfunctioning power windows, door locks, intermittent instrument cluster…
2015 RAM 2500 Mileage Danger Zones
The mileage windows when the 2015 RAM 2500 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. Focus on routine maintenance like oil changes, tire rotations, and general inspections. Minor electrical glitches with Uconnect might start to appear.
Maintenance Zone
Expect to address more substantial maintenance items. For diesel models, the emissions system components are now aging and potential sensor or DPF issues may begin to surface. Front-end suspension components might start showing wear, esp…
Elevated Risk Zone
This mileage brings an increased likelihood of moderate to major repairs, particularly for diesel emissions system components (DPF, DEF heater) and more extensive front-end suspension/steering overhauls. Watch for any signs of 'death wob…
High Risk Zone
At these higher mileages, major engine components (turbo, injectors) in diesel models, or more extensive transmission work, become a possibility, although less common than emissions issues. Rust can become more pronounced. Comprehensive…
2015 RAM 2500 Ownership Cost Outlook
What it typically costs to keep the 2015 RAM 2500 on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$600-900 (gasoline), $900-1,500+ (diesel)
Moderate Repairs
$1,000-2,500 occasionally (e.g., front end, DPF sensor)
How Long Does the 2015 RAM 2500 Last?
Focus on meticulously maintained examples, especially those with comprehensive service records for the diesel emissions system and front-end work. A truck under 80,000 miles is ideal, but a well-maintained high-mileage diesel can still be a good buy if it has recent emissions system overhauls and a solid price.
What 2015 RAM 2500 Owners Actually Say
What Owners Love
- Unmatched towing and hauling prowess with the Cummins diesel.
- Comfortable and spacious interior for a heavy-duty truck.
- Aggressive and appealing exterior styling.
- Powerful engine options (both Hemi and Cummins).
Common Frustrations
- Poor fuel economy, especially with the Hemi V8.
- Constant worry and high cost of diesel emissions system maintenance and potential failures.
- Persistent electrical glitches, particularly with the Uconnect system.
- Regular and sometimes costly front-end suspension component wear.
Who Should Buy the 2015 RAM 2500?
Best For
- Individuals or businesses requiring serious towing (RV, large trailers, heavy equipment).
- Off-road enthusiasts looking for a robust platform.
- Owners who understand and can afford heavy-duty truck maintenance.
Not Ideal For
- Budget-conscious buyers seeking minimal repair costs.
- Daily commuters in urban environments (especially diesels).
How the 2015 RAM 2500 Compares to Rivals
The 2015 Ram 2500 stands shoulder-to-shoulder with its Detroit rivals in capability and powertrain strength, especially the Cummins. However, it doesn't generally excel in electrical reliability compared to the segment, and its diesel emissions system can be a higher-frequency…
More Reliable Than
- Older generation heavy-duty trucks (in terms of refinement and capability)
- Lighter-duty half-ton trucks (for severe towing/hauling)
- Some competitors in raw torque (Cummins option)
Comparable To
- 2015 Ford F-250 Super Duty (6.7L Power Stroke)
- 2015 Chevrolet Silverado/GMC Sierra 2500HD (6.6L Duramax)
Safety Recalls on the 2015 RAM 2500
15 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 2500?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
OwnerKeep Passport · $499 · one-time
Just bought a 2015 RAM 2500? Keep it that way.
Snap a receipt — AI logs it. Build an OwnerScore. Sell with a buyer-ready Passport dossier.
RAM 2500 — Year-by-Year Comparison
Compare KeepScores across nearby years of the RAM 2500. Click any year for its full report.
Competing 2015s Worth a Look
Similar class, similar year range — ranked by KeepScore.
Relevant Products for Your 2015 RAM 2500
Parts and accessories matched to your 2015 RAM 2500
As an Amazon Associate I earn from qualifying purchases.
Frequently Asked Questions
Related Comparisons
Just bought a 2015 RAM 2500? Keep it that way.
OwnerKeep Passport turns your RAM 2500's care history into a luxury digital vault — AI-logged receipts, an OwnerScore that pays at resale, and a buyer-ready dossier in one tap.
- AI receipt OCR — snap and log
- Fuel & mileage tracker
- Tri-Score OwnerScore
- One-tap resale dossier PDF
Recommended Reading for the RAM 2500
Most Reliable Cars to Buy Used (Top 10 Ranked)
Get our expert-ranked list of the 10 most reliable used cars you can buy today, saving money and avoiding future headaches with smart choices.
Jeep Wrangler vs Toyota 4Runner: Which Lasts Longer?
Get the definitive answer: Which truly lasts longer, the Jeep Wrangler or Toyota 4Runner? Our comparison reveals their long-term durability.
Toyota Tacoma vs Chevy Colorado: Reliability Compared
Explore a head-to-head reliability comparison of the Toyota Tacoma vs. Chevy Colorado. Discover which truck truly stands out for long-term dependability.