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STUDY · 2018

Ram 2500 2018 Reliability Profile

Statistical research from AutoIndex24.

By: Alex WhitmanPublished: 2026-05-04Data as of: 2026-05-02Primary source: NHTSA NCDB

Background

The 2018 Ram 2500 complaint record in this findings set is defined by 3,610 complaints, with a median mileage at failure of 52,000. The middle spread is also broad: the 25th percentile is 30,000 and the 75th percentile is 82,500. That pattern points to problems appearing across a wide portion of the ownership cycle rather than being confined to only very early or very late use.

The concentration of complaints is also notable. The top 5 components account for 87.3 of the total complaint volume, indicating that the reliability story is not scattered evenly across many unrelated systems. Instead, it is dominated by a short list of recurring issues, led overwhelmingly by braking-related categories.

This profile is based on a snapshot dated 2026-05-02 and computed at 2026-05-04. No recall campaigns are listed in the findings set, and no trim, body-class, or fuel-type breakdown is available here.

Complaint concentration by system

The complaint mix is heavily weighted toward brake-related systems. SERVICE BRAKES alone accounts for 1,762 complaints, far ahead of every other category in the top group. ELECTRICAL SYSTEM follows at 454, then SERVICE BRAKES, HYDRAULIC at 369, VEHICLE SPEED CONTROL at 323, and FORWARD COLLISION AVOIDANCE at 243.

Because the top 5 categories make up 87.3 of all complaints, these systems define most of the reliability narrative for the 2018 Ram 2500 in this dataset. The dominance of SERVICE BRAKES is especially important because it exceeds the next several categories by a wide margin.

ComponentComplaintsShare of top 5
SERVICE BRAKES1,76255.9
ELECTRICAL SYSTEM45414.4
SERVICE BRAKES, HYDRAULIC36911.7
VEHICLE SPEED CONTROL32310.3
FORWARD COLLISION AVOIDANCE2437.7

Taken together, the table shows that braking concerns are present in both the general SERVICE BRAKES category and the more specific SERVICE BRAKES, HYDRAULIC category. That dual appearance reinforces the central role of brake complaints in the overall record.

What owners are reporting

The strongest signal in the findings is the scale of brake-related reporting. Of the 3,610 complaints, 1,762 are assigned to SERVICE BRAKES and 369 to SERVICE BRAKES, HYDRAULIC. Even without combining categories, the brake system appears repeatedly and prominently.

The next tier of complaints shifts away from purely mechanical systems and toward control and electronic functions. ELECTRICAL SYSTEM contributes 454 complaints, VEHICLE SPEED CONTROL 323, and FORWARD COLLISION AVOIDANCE 243. That mix suggests that the complaint record is not limited to wear items or isolated hardware faults. It also includes systems tied to electronic operation, driver-assistance behavior, and vehicle control.

The distribution matters because it frames the ownership experience described by complainants. A vehicle with a complaint profile led by brakes, followed by electrical and speed-control systems, presents a different reliability picture than one dominated by cosmetic or convenience issues. In this case, the leading categories are tied to core driving functions.

When the failures appear

Mileage timing is one of the clearest parts of the dataset. The median mileage at failure is 52,000, with the 25th percentile at 30,000 and the 75th percentile at 82,500. That means complaints are not clustered at only one narrow point in the vehicle’s life.

At the lower end, the 30,000 figure shows that a substantial share of complaints arrives relatively early in service. At the midpoint, 52,000 places the typical complaint well within regular ownership rather than only at very high mileage. At the upper end, 82,500 shows that the complaint stream continues well beyond the median.

Mileage markerMiles
25th percentile30,000
Median52,000
75th percentile82,500

This spread supports a reading of persistent reliability concerns rather than a single early-production spike visible in the findings. The dataset does not break mileage out by component, so it cannot show whether brake complaints arrive earlier or later than electrical or speed-control complaints. Still, the overall mileage pattern indicates that reported failures span a long portion of the truck’s service life.

Severity outcomes

Most complaints do not report the most severe outcomes, but the dataset still records nonzero rates for crashes, injuries, deaths, and fires. The crash figure is 1.52, the injury figure is 0.22, the death figure is 0.06, and the fire figure is 0.11.

Among these outcomes, crashes are the most frequently recorded severe event in the findings. Injuries, fires, and deaths are much less common, but their presence matters because the leading complaint categories involve braking, speed control, and forward collision avoidance. Those are systems directly connected to vehicle control and safety performance.

OutcomePercent
Crash1.52
Injury0.22
Fire0.11
Death0.06

The findings do not link these outcomes to specific components, so it cannot be said from this dataset alone how many crash or injury reports came from brake complaints versus electrical or driver-assistance complaints. What can be said is that the complaint profile includes safety-related systems and that the severe-outcome fields are not zero.

Interpreting the brake-heavy pattern

A complaint record led by 1,762 SERVICE BRAKES reports, plus 369 in SERVICE BRAKES, HYDRAULIC, gives the 2018 Ram 2500 a distinctly brake-centered reliability profile. In practical terms, that means the most common owner-reported issues are not dispersed across minor accessories or isolated trim-specific features. They are concentrated in systems central to stopping performance.

The presence of VEHICLE SPEED CONTROL at 323 and FORWARD COLLISION AVOIDANCE at 243 adds another layer. These categories sit close to the braking story because they relate to how the vehicle manages speed and responds to hazards. ELECTRICAL SYSTEM at 454 further suggests that some complaints may involve the electronic side of vehicle operation rather than only mechanical hardware.

The findings do not provide complaint narratives, repair outcomes, or part-level diagnoses, so the exact nature of the reported failures is outside the scope of this profile. Even so, the category totals alone are enough to show where the complaint burden is concentrated.

Recalls and data gaps

One of the more unusual features of this findings set is that recall campaigns are listed at 0. That does not reduce the significance of the complaint totals; it simply means the present dataset does not include recall-campaign counts for this subject. Likewise, trims observed are listed at 0, and the body-class and fuel-type fields are empty.

Those omissions matter for interpretation. Without trim data, it is not possible to say whether the complaint burden is concentrated in a particular version of the 2018 Ram 2500. Without body-class or fuel-type detail, there is no way to compare complaint patterns across configurations. Without recall-campaign counts in the findings, there is no direct recall context to place alongside the complaint record.

The result is a profile that is strong on overall complaint volume, component concentration, mileage timing, and severe-outcome rates, but limited on configuration detail.

Overall reliability picture

Taken as a whole, the findings describe a 2018 Ram 2500 complaint profile centered on braking systems and supported by a secondary cluster of electrical, speed-control, and forward-collision-avoidance issues. The scale is substantial at 3,610 complaints, and the concentration is high, with the top 5 categories accounting for 87.3.

The timing data adds weight to the pattern. With failures centered at 52,000 miles and spread from 30,000 at the 25th percentile to 82,500 at the 75th percentile, the complaint stream appears across a broad mileage range. This is not a profile defined only by very early complaints or only by high-mileage aging.

The severity fields are comparatively low, but not absent: 1.52 for crashes, 0.22 for injuries, 0.11 for fires, and 0.06 for deaths. In a complaint set led by brake and control-system categories, those figures remain relevant. The broad conclusion from the available evidence is that the 2018 Ram 2500 shows a concentrated reliability pattern focused on core driving systems, with braking issues standing far above the rest.

Frequently asked questions

Q: What system draws the most complaints on the 2018 Ram 2500? A: SERVICE BRAKES leads with 1,762 complaints. That is the largest count in the top 5 by a wide margin.

Q: How many complaints are in this dataset? A: The findings list 3,610 complaints for the 2018 Ram 2500. The top 5 components account for 87.3 of that total.

Q: At what mileage do failures usually appear? A: The median mileage at failure is 52,000. The 25th percentile is 30,000 and the 75th percentile is 82,500.

Q: Are electrical problems a major part of the complaint record? A: ELECTRICAL SYSTEM is the second-largest category with 454 complaints. It trails SERVICE BRAKES but stands above SERVICE BRAKES, HYDRAULIC, VEHICLE SPEED CONTROL, and FORWARD COLLISION AVOIDANCE.

Q: How common are crash or injury reports? A: Crash reports are listed at 1.52 and injury reports at 0.22. The findings also show fire at 0.11 and death at 0.06.

Q: Are there recall campaigns listed in this findings set? A: No. The recall-campaign count in the findings is 0.

Top complaint components
Reported odometer reading at the time of failure (approximate density reconstructed from p25 / median / p75)
Show data points
25th percentile30,000 miles
Median52,000 miles
75th percentile82,500 miles
Severity outcomes among complaints

Sources

How to cite

Alex Whitman (2026). Ram 2500 2018 Reliability Profile. AutoIndex24 Research. https://auto-index24.com/studies/ram-2500-2018-reliability-profile