Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2012 RAM 3500 Reliability ReportCommon Problems, Repair Costs & Expert Verdict

78/ 100
MODERATE RISK

Grade: C+

A powerful heavy-duty truck, its core engine is excellent, but be prepared for diligent and costly upkeep of its supporting systems.

Full system breakdown + what I would do

Should You Buy the 2012 RAM 3500?

The 2012 RAM 3500, particularly with the Cummins diesel, is a formidable workhorse built for serious towing and hauling. While its core mechanicals are robust, potential owners must anticipate and budget for the specific, often costly, maintenance demands of its complex diesel emissions system and be vigilant regarding automatic transmission longevity. This truck is a capable ally, but only for the prepared and informed buyer.

Biggest Strengths

  • Legendary Cummins diesel engine durability (core engine)
  • Heavy-duty chassis and suspension for immense capability
  • High towing and payload capacities

Top Risk Areas

The systems that break first on the 2012 RAM 3500. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

1
Diesel Emissions Systemmajor
2
Automatic Transmission (68RFE)major
3
Front End Suspension & Steeringmoderate
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

NHTSA Recalls

9 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

WHEELS:LUGS/NUTS/BOLTS/STUDS

Chrysler (FCA US, LLC) is recalling certain 2012-2021 RAM 3500, 3500 Cab Chassis, 4500 Cab Chassis, and 5500 Cab Chassis vehicles. Incorrect information in the Service and Owner's Manuals may cause the flanged lug nuts to be over-tightened, which could result in a broken wheel stud and possible wheel separation.

AIR BAGS:FRONTAL

Chrysler (FCA US LLC) is recalling certain model year 2012-2014 Ram 1500, 2500, 3500, 4500, and 5500 trucks manufactured January 18, 2011, to October 7, 2014, and equipped with the Electronic Vehicle Information Center option. The affected vehicles have a steering wheel wiring harness that may rub against the driver air bag module retainer spring.

What breaks on the 2012 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 reliability scores across nearby years of the RAM 3500. Click any year for its full report.

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Frequently Asked Questions

Final Step

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