Trust the J.D. Power study that matches the question you are trying to answer—not one study as a universal verdict. For problems in a vehicle’s first 90 days, look at the Initial Quality Study (IQS); for problems reported after three years, the Vehicle Dependability Study (VDS) is the closer fit. Satisfaction, dealership service, sales, driving experience and technology experience each call for their own study. Before using any ranking, check its market, model years, respondents, field dates, questions and scoring method.
Which J.D. Power study fits your question?
| Your question | Study or measure to look for | What it can tell you |
|---|---|---|
| What problems do owners report early in ownership? | Initial Quality Study (IQS) | Reported problems during the first 90 days of ownership. It does not establish how a vehicle will hold up over several years. |
| How many problems do owners report after several years? | Vehicle Dependability Study (VDS) | Problems reported by owners after three years in the study’s specified vehicle cohort. It is a better fit for longer-term dependability than an initial-quality result. |
| How satisfied are owners with a particular experience? | The study focused on that experience, such as sales, dealership service, driving or technology | Feedback about the defined interaction or experience, not a substitute for an early-quality or three-year dependability measure. |
| How does a model rate overall on J.D. Power’s consumer ratings site? | Consumer vehicle rating | A composite of quality and reliability, driving experience, resale value and dealership experience; it is not a single syndicated study or a pure durability score. |
The VDS is not a direct forecast of a brand-new vehicle’s first months, and the IQS is not a three-year durability test. “Quality,” “dependability,” satisfaction and an overall rating answer different questions, so a top result in one should not be treated as proof of a top result in the others.
What the current VDS example does—and does not—show
The 2026 U.S. Vehicle Dependability Study illustrates how to read a result within its boundaries. J.D. Power surveyed 33,268 original owners of 2023 model-year vehicles after three years of ownership. The study covered 184 problem areas across nine vehicle categories, with fieldwork from December 2024 through November 2025. It reported an industry average of 204 problems per 100 vehicles (PP100); lower PP100 means fewer reported problems. These figures describe that study, cohort and period, not every vehicle or a future model year. J.D. Power’s 2026 U.S. VDS release provides the study details.
That release reported 56.7 PP100 for infotainment problems and 27.5 PP100 for exterior problems. The difference is useful context if technology issues matter to you, but an aggregate problem count does not tell you how costly or safety-critical each issue is. Look for the problem category that matters to your decision, rather than assuming every reported problem has equal weight.
#1 Best Overall
How to judge whether a ranking is useful
- Match the outcome. Decide whether you care about early problems, three-year dependability, satisfaction, service, sales, driving or technology. Select the study designed to measure that outcome.
- Check the respondents and dates. Find out whether responses came from owners or prospective buyers, which model years and country are represented, how many people participated and when fieldwork took place. A survey of owners of three-year-old vehicles does not directly measure a new model’s first months.
- Read the score, not only the position. In the VDS, PP100 counts reported problems and lower is better. A satisfaction index or composite consumer rating measures something else. Rank indicates placement in the studied group; by itself, it does not show how large or meaningful the gap between vehicles is.
- Check the comparison group. Confirm whether vehicles are compared within a category or across categories, and whether a redesign or missing first-year rating affects the comparison. J.D. Power says its consumer ratings compare model attributes with averages for the same category or peer group.
- Read the release and its caveats. J.D. Power makes press releases public, while complete syndicated-study results are subscription-based. Its brand licensing page says rankings are based on numerical scores and are not necessarily statistically significant. A small rank difference is not, on its own, proof of a meaningful performance gap.
- Separate research results from award advertising. J.D. Power says brands do not pay to participate in its syndicated studies; award recipients can license promotional use of an award they earned. That distinction matters: a study result is one thing, while an advertisement using an award is a brand’s presentation of it.
What J.D. Power says about its methods
J.D. Power describes its syndicated benchmarking work as using survey feedback and, depending on the work, other methods such as phone interviews, in-person visits, mystery shopping and user testing. It says syndicated studies are self-funded, respondents are sourced independently rather than supplied by brands, results are publicly announced and results can be trended year to year, though questions may change. Those are the publisher’s descriptions of its process, not an independent audit. See J.D. Power’s benchmarking methodology.
The company’s consumer vehicle ratings are a separate product from its individual syndicated studies. J.D. Power’s current methodology assigns 40% to quality and reliability, 20% to driving experience, 20% to resale value and 20% to dealership experience. If you care mainly about long-term durability, do not rely on that composite alone: inspect the relevant reliability component and the ownership horizon behind it. J.D. Power also cautions that redesigned models may inherit the prior year’s rating, while an all-new model may lack a first-year rating because the required owner-survey base is not yet available. Details are on its ratings methodology page.
How J.D. Power and Consumer Reports differ
There is no established basis here for declaring one provider objectively more accurate overall. They combine different kinds of evidence and answer different questions. J.D. Power’s comparison page describes Consumer Reports’ overall car ratings as combining road-test performance, reliability, safety and owner satisfaction; it says Consumer Reports reliability ratings draw on member surveys covering 17 trouble areas, that road tests take place at its test facility, and that relevant safety ratings come from IIHS and NHTSA as applicable. This is J.D. Power’s characterization, not an independent account of Consumer Reports’ current methods. See J.D. Power’s comparison page, and consult Consumer Reports directly for its current methodology.
When comparing results, check what is measured, who responded, vehicle and model-year coverage, time horizon, whether direct road tests are included, detail about problem types and access to underlying results. Neither provider’s overall rank replaces checking recalls, vehicle-specific inspection results, safety data and your own priorities.
Quick wins for a faster PC:
Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Rank #3
- DVIR inspection book helps satisfy DOT vehicle inspection regulations 49 CFR 396.11 and 396.13.
- Driver vehicle inspection report books include vehicle inspection checklist that lists specific tractor and trailer parts to help simplify inspection; drivers simply check off parts that need repair.
- DVIR books include key regulations printed on inside front cover to remind drivers of DOT-required procedures.
- Each book contains 31 sets of DVIR forms.
- Vehicle inspection forms are 2-ply, carbonless, and measure 5-1/2" x 8-1/2".
What an award does—and does not—mean
A J.D. Power award means a brand ranked highest in an eligible study or category under the award criteria. It is evidence about that defined result—not a universal certificate that every model from the brand is best, safest or most reliable. The study’s population, category and measure still determine what the award can support.
Quick Recap
Best Value
- DVIR inspection book helps satisfy DOT vehicle inspection regulations 49 CFR 396.11 and 396.13.
- Driver vehicle inspection report books include vehicle inspection checklist that lists specific tractor and trailer parts to help simplify inspection; drivers simply check off parts that need repair.
- DVIR books include key regulations printed on inside front cover to remind drivers of DOT-required procedures.
- This vehicle inspection report book set comes with 50 books. Each book contains 31 sets of DVIR forms. In total, you will receive 1,550 forms.
- Vehicle inspection forms are 2-ply, carbonless, and measure 5-1/2" x 8-1/2".
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
