Autoblog and Yahoo may earn commission from links in this article.Nissan and Kia are two of America's most value-conscious automakers. Both automakers have more than one model priced at under $25,000, a rarity in this time of record-high car prices. For buyers considering a new Nissan or Kia, reliability is a top priority, as there's no point in saving on the purchase price of a new car if it will cost you a lot of money in repairs and maintenance. But which of these brands rank better for reliability, and how do they compare to Toyota, the ultimate benchmark for reliability? We'll compare them based on the findings of the latest reliability studies in the industry. Consumer Reports Favors Nissan, But It's Close2026 Nissan Rogue Rock Creek editionNissanView the 2 images of this gallery on the original articleAdvertisementAdvertisementThe first study we'll look at is from Consumer Reports. Its predicted reliability rating for each car brand is based on data from around 380,000 vehicles, dating back to the 2000 model year. The publication considers all aspects of the ownership experience, from major mechanical failures to minor quality issues. Unlike most other studies, this one is a more reliable indicator of longer-term reliability.In the latest scoring from Consumer Reports, Nissan came out ahead of Kia, but they're closely ranked.NissanKiaCR predicted reliability score57/10049/100CR brand ranking6th out of 26 brands10th out of 26 brandsBoth brands ranked in the upper half for all brands, but their predicted reliability scores were nothing exceptional. For context, Toyota was ranked first with a score of 66, so no single brand even managed to hit 70.The Kia Carnival Hybrid performed very well in its category, but the Sportage PHEV and EV6 did not. In the Kia EV6's case, survey data points to issues with its integrated charging control unit. AdvertisementAdvertisementNo Nissans were singled out as particularly great or poor, but the Japanese brand does have the edge in terms of a much smaller electrified range of vehicles than Kia. Hybrids (especially plug-in hybrids) and EVs are more tech-filled, so they tend to be more problematic.Related: Are Nissans Reliable? The Answer Depends On Which Model You BuyJD Power Vehicle Dependability Study: Neck and Neck2026 Nissan Murano Platinum in Aurora Blue PearlNissanView the 2 images of this gallery on the original articleThe JD Power Vehicle Dependability Study was released in 2026 and focuses on how reliable three-year-old vehicles have been. All the vehicles in this year's study are from the 2023 model year, and 33,268 owners were quizzed about their cars, spanning 184 problem areas. JD Power ranks brands by the number of problems per 100 vehicles (PP100), so a lower number means a better ranking.AdvertisementAdvertisementThere was almost nothing between Kia and Nissan in this year's study.NissanKiaJD Power Vehicle Dependability Study (PP100)194 PP100193 PP100Brand ranking10th out of 28 brands9th out of 28 brandsThis time, Kia got the better of Nissan, but barely—the Korean brand's vehicles only had 1 more problem per 100 cars. Both were better than the industry average of 204 PP100, and they almost bettered Toyota (185 PP100).For specific vehicle categories, Nissan achieved one win for the Murano, which was rated higher than any other midsize SUV. Kia has one runner-up finish in the compact car segment, which was for the Forte sedan. The Forte has since been replaced by the K4.JD Power Initial Quality Study: Only One Is Above Average2026 Nissan SentraNissanView the 2 images of this gallery on the original articleAdvertisementAdvertisementThis is one of the most recent studies to be published. Focusing on initial quality, it's a look into how many problems customers experienced with 2026 model-year vehicles after three months of ownership. This year, JD Power's results are based on responses from 78,514 purchases and lessees. Customers answered questions on infotainment, features, the driving experience, climate, and more. Once again, brands are ranked by the number of problems per 100 vehicles.NissanKiaJD Power Initial Quality Study (PP100)156 PP100175 PP100Brand ranking5th out of 27 brands11th out of 27 brandsNissan vehicles put in a strong showing, with 156 PP100, a result that matches Lexus. Kia vehicles saw 175 PP100, exactly the same as the study average. Both were ahead of Toyota (181 PP100), the only study where this was the case.In the model categories, the Kia K4 and Carnival topped their segments, while the Sorento and K5 enjoyed runner-up finishes. The Nissan Rogue was the leading vehicle in its class, although longer-term reliability isn't as strong for this crossover. Related: This Is The Most Reliable Nissan Rogue Model YearRepairPal: Kia Is One Of The Best2026 Kia SportageKiaThe final reliability study we'll look at comes from RepairPal. A database containing millions of vehicle repair invoices from 2010 to 2019 model-year vehicles contributes to the rankings, so as with the Consumer Reports study, this one is a better indicator of longer-term reliability beyond the regular warranty period.NissanKiaRepairPal rating4/54/5Brand ranking9th out of 32 brands3rd out of 32 brandsWhile both brands have the same reliability score, Kia ranks 3rd, comfortably ahead of Nissan. Kia vehicles also have lower average annual maintenance costs of $474, below Nissan's, which is $500. And, while Kias have a 10% probability of a repair being severe, Nissan vehicles have a 13% probability.Kia Vs. Nissan: Major Reliability Issues2025 Nissan AltimaNissanSo far, neither brand has a clear advantage over the other. Across the four studies, each brand is ahead in two of them, and both are clearly above average. What may help us separate them is to look at a few major reliability issues faced by these brands over the last decade or so.Kia Theta II Engine FailuresMillions of Kia vehicles (and related Hyundai products) faced premature bearing wear in their four-cylinder Theta II engines. These issues occurred roughly between 2011 and 2019, affecting popular models like the Sorento and Sportage. Recalls, multiple lawsuits, and considerable reputational damage followed.Kia ICCU ProblemsThe Integrated Charging Control Unit (ICCU) in certain electric Korean EVs has been a weak spot. Specifically affecting the Kia EV6, it can drain the 12V battery and shut down several of the car's electronic features. It can eventually cause the entire vehicle to shut down.Nissan CVT Shudder and FailureNissan has used CVTs in multiple vehicles for years, and older models suffered from premature wear, shuddering, or even complete failure of the Xtronic unit. These transmissions can be found in models like the Altima, Sentra, and Rogue. Although newer Nissans appear to be less trouble-prone, the CVT issues are widespread enough that it triggered lawsuits and extended warranties from the automaker.Nissan VC-Turbo Engine FailureNissan's innovative three-cylinder turbocharged engine with variable compression can be found in the current Rogue, but it's proving to be a problem for the brand. Broken throttle body gears and premature bearing failures led to a warranty extension in March 2026, and the automaker has also been sued for related engine failures. AdvertisementAdvertisementRelated: Kia vs Hyundai Reliability: Hyundai Wins Early, Kia Wins LaterFinal Verdict: No Outright Winner2022 Kia EV6James RiswickView the 2 images of this gallery on the original articleWe've compared many of America's leading car brands for reliability, but this contest is one of the closest yet. Looking at the four key studies alone, it's impossible to declare an outright winner; both these brands tend to fare well over the first few years of ownership, with a lower than average number of complaints.Things get more complicated when you dig into the major mechanical failures both automakers have faced. Kia's Theta II engine and Nissan's VC-Turbo are best avoided, as are older Nissans with the CVT. If you can steer clear of those models, most Kias and Nissans have a good chance of reaching 200,000 miles if properly maintained.AdvertisementAdvertisementOverall, we have to declare this particular match-up a tie. These brands not only challenge each other for value, but they're equally matched in dependability, too. Both have some work to do to surpass Toyota, though.Related: Nissan Vs Toyota Reliability: It's Not Even CloseThis story was originally published by Autoblog on Sep 1, 2026, where it first appeared in the Features section. Add Autoblog as a Preferred Source by clicking here.