Some folks might not realize this, but did you know that Kia and Hyundai are part of the same company? While their cars might look and feel different, with enough distinction to not make things too obvious to the average car buyer, they’re actually more alike than you might’ve noticed. While sharing know-how and components can be a good thing, and you don’t have to sweat yourself when you have to choose between a Kia K5 or a Hyundai Sonata, it can be a double-edged sword, as problems from one brand might carry over and infect the other, so how does Kia vs Hyundai reliability compare?
As sister brands, Kia and Hyundai share platforms, engines, transmissions, electronics, EV powertrains, software, and tons of under-the-hood engineering. Of course, you might assume that since they’re both under the same, sprawling corporate umbrella, with so much shared between each brand’s vehicles, Kia and Hyundai cars would be equally reliable (or unreliable), right? Well, it’s close, but if you look closely at our Kia vs Hyundai reliability analysis, they may trade blows in some areas, like their cost of ownership and maintenance, but one stands out as being marginally more reliable.
This is a Hyundai vs Kia reliability analysis, focusing on the current 2026 and 2027 model year Kia and Hyundai vehicles on sale in the US, with reliability data sourced from JD Power, the NHTSA, and CarEdge. All the analyses, statistics, rankings, information, and testimonies mentioned below, including recalls and documented complaints from real owners, are accurate as of publishing. Discontinued and older model year vehicles from both Kia and Hyundai have been omitted.
JD Power: Kia vs Hyundai Reliability
Kia Proves More Reliable Over Time, But Hyundai Has Better Initial Quality
JD Power Scores
Overall Score (out of 100) | Quality & Reliability Score (out of 100)
Kia
Hyundai
K4
87 | 91
Elantra
83 | 87
K5
82 | 82
Sonata
83 | 87
Carnival
79 | 79
Santa Cruz
82 | 89
Seltos
81 | 86
Venue
82 | 90
Sportage
81 | 82
Kona
83 | 89
Sorento
81 | 83
Tucson
81 | 83
Telluride
83 | 85
Palisade
81 | 79
Niro
75 | 74
Santa Fe
80 | 82
Niro EV
75 | 74
Kona Electric
–
EV6
79 | 76
IONIQ 5
77 | 78
EV9
72 | 64
IONIQ 5N
–
IONIQ 6
74 | 72
IONIQ 9
75 | 70
Consumer surveys and feedback unveil an interesting story if you’re comparing Kia vs Hyundai reliability across the entire brand. If we look at JD Power’s 2026 US Vehicle Dependability Study (VDS), which measures various problems that crop up over a long, three-year ownership period, Kia manages to barely beat Hyundai (193 problems per 100 vehicles vs 198). Yet, if we look at JD Power’s 2026 US Initial Quality Study (IQS), which looks at early quality issues that appear in the first 90 days of ownership, Hyundai now outranks Kia (165 PP100 vs 175 PP100), though both are above average.
Now, if we break down the JD Power scores individually, for every single vehicle on sale right now from Kia and Hyundai, more fascinating patterns start to emerge. For starters, if you’re looking for the most reliable models from each brand, you’re actually better off with either automaker’s most affordable, entry-level vehicles. The Kia K4, the brand’s cheapest model that you can buy new right now, gets an impressive JD Power score of 87 (overall) and 91 (quality and reliability), while the tiny Hyundai Venue gets pretty solid JD Power scores of 82 and 90, respectively.
On the flip side, it’s not like the rest of Kia and Hyundai’s lineup are doing terribly, either. On the whole, both brands offer great, above-average short- and long-term durability, with most models from both automakers easily scoring in the low- to mid-80s. The only exceptions to this rule are electric vehicles. Woefully persistent ICCU failures (more on this later) mean that EVs across both brands score poorly. The Kia EV9, for example, is cursed with an abysmal JD Power score of 72 (overall) and 64 (quality and reliability), while the Hyundai IONIQ 6 makes do with an equally shocking 74 and 72, respectively.
NHTSA Recalls: Kia vs Hyundai Reliability
Software Issues Cause Instrument Panel Blackouts For Both Kia & Hyundai
NHTSA Recalls
Kia
Hyundai
K4
1
Elantra
2
K5
1
Sonata
1
Carnival
2
Santa Cruz
3
Seltos
0
Venue
0
Sportage
1
Kona
3
Sorento
2
Tucson
5
Telluride
2
Palisade
3
Niro
0
Santa Fe
4
Niro EV
0
Kona Electric
0
EV6
0
IONIQ 5
2
EV9
2
IONIQ 5N
0
IONIQ 6
0
IONIQ 9
3
Shifting gears for a moment towards the NHTSA and its extensive recalls database, our Hyundai vs Kia reliability analysis finally shows a more clear-cut winner this time around. Hyundai has not only suffered the most number of recalls in total, but in terms of overall volume, Hyundai has also recalled more vehicles than Kia. You might’ve also noticed that Hyundai’s recalls are more serious, with plenty of worrying seat belt, airbag, and power seat-related recalls. Nonetheless, both brands suffer from software-related recalls for instrument panels that black out, failing to show all your critical gauges and readouts.
Kia Recalls
26V046000 (K5, Carnival, Carnival Hybrid, Sportage, Sportage Hybrid, Sportage Plug-in Hybrid, Sorento, Sorento Hybrid, Sorento Plug-in Hybrid, EV9): The instrument cluster would glitch out due to a software issue and fail to display any of the gauges and other critical readouts.
26V135000 (K4, K4 Hatchback, Telluride, Telluride Hybrid): The rear seatbelt buckle might not latch properly because of a faulty seat belt anchor.
26V232000 (Carnival): Fuel might leak at the pipe connection between the fuel pipe and the fuel rail.
25V745000 (Sorento, Sorento Hybrid, Sorento Plug-in Hybrid): An incorrect spare tire was installed on some cars.
26V356000 (Telluride, Telluride Hybrid): The driver-side seat belt strap won’t extend, which will fail to secure the driver in the event of a crash.
26V545000 (EV9): The occupant detection system might fail to deactivate the airbag if a child or child seat is present in the front passenger seat, increasing the risk of injury.
Hyundai Recalls
26V047000, 26V400000 & 26V400000 (Sonata, Sonata Hybrid, Palisade, Palisade Hybrid, Kona, Tucson, Tucson Hybrid, Tucson Plug-in Hybrid, Santa Cruz, Santa Fe, Santa Fe Hybrid, IONIQ 5): A similar problem with some Kia models, where the instrument cluster would fail to display the gauges and other readouts due to software glitches. While these are three separate recalls, they’re all for the same underlying issue.
26V588000 & 26V160000 (IONIQ 9, Palisade, Palisade Hybrid): The second- and third-row power seats might fail to detect a person, especially children, and continue moving after contacting said person, pinning, trapping, and sometimes crushing them between the seats.
26V254000 (Elantra, Elantra N, Elantra Hybrid, Tucson, Tucson Hybrid, Tucson Plug-in Hybrid): Some of the airbag sensors have been incorrectly assembled, which can either delay or prevent airbag deployment.
26V308000 (Elantra Hybrid): The hybrid power control unit (HPCU) module might overheat, increasing the risk of a fire.
26V169000 (Palisade, Palisade Hybrid): A faulty seat belt status indicator might fail to alert passengers if their seat belts have been unfastened.
26V452000 (Kona): The seatbelt buckles in the rear center seat might fail, thus failing to secure passengers in the event of a crash.
26V069000 (Kona): A manufacturing defect with the front steering knuckles causes them to crack and break, potentially causing the loss of steering.
26V316000 (Tucson, Tucson Hybrid, Tucson Plug-in Hybrid, Santa Cruz): The forward collision avoidance system might unexpectedly and prematurely activate the brakes due to faulty software with the front cameras.
26V218000 (Santa Fe, Santa Fe Hybrid): The driver and passenger seatbelt anchors might detach, potentially failing to restrain the driver and/or passenger securely in the event of a crash.
Common Problems: Kia vs Hyundai Reliability
Many Complaints For Hyundai, From Unintended Acceleration To No Brakes
NHTSA Complaints
Kia
Hyundai
K4
12
Elantra
3
K5
14
Sonata
3
Carnival
26
Santa Cruz
5
Seltos
4
Venue
2
Sportage
27
Kona
10
Sorento
6
Tucson
63
Telluride
25
Palisade
122
Niro
2
Santa Fe
36
Niro EV
2
Kona Electric
0
EV6
0
IONIQ 5
25
EV9
27
IONIQ 5N
0
IONIQ 6
0
IONIQ 9
37
The NHTSA doesn’t just catalog recalls, as it’s also the prime place for owners of real Kia and Hyundai vehicles to file complaints, and so, its complaints database is filled with problems that people have to deal with day-to-day. Look closely, and you can find some clear winners here. Namely, Kia’s and Hyundai’s small sedans (K4, K5, Elantra, and the Sonata), the K4 Hatchback, the Santa Cruz, the Sorento, and both Kia’s and Hyundai’s super affordable crossovers, the Seltos, Niro, Kona, and the Venue, are all generally pretty problem-free, and many owners don’t have much to report about here.
Kia Common Problems
As far as Kia is concerned, the Carnival, Sportage, and Telluride are plagued by sporadic faults, but there are systemic problems with the powertrain. Whether it’s a fault with the hybrid unit, or an issue with the transmission or turbocharger, owners have documented having troubles with accelerating. Intermittently, pressing hard on the accelerator pedal would see the rpm gauge increase, but there’d be no response from the car itself. Some Sportage owners, meanwhile, complained about a loss of braking, even when pressing the brake pedal hard, due to a flaw with the car’s forward collision avoidance system.
Other than that, here are a few other sporadic, irregular, and isolated issues with certain Kia models that you might want to keep an eye out for that owners have experienced:
- A steering wheel that periodically veers or jerks without driver input, usually when the smart cruise control system is active.
- A ‘Check Oil Level’ or ‘Low Engine Oil’ warning message that randomly appears, even though your oil levels are actually good.
- A couple of owners were given the shock of a lifetime when their panoramic glass roofs shattered or exploded. Some Hyundai models have this defect, too.
- Some owners would hear the seat belt warning alarm chime for seats that are otherwise unoccupied and have nothing on them.
Hyundai Common Problems
Still, Kia’s troubles are nothing compared to what Hyundai owners have to deal with, and the Hyundai Palisade takes the cake by far with the highest number of complaints. Owners have experienced everything from unintended acceleration caused by the driver-assist features, a sudden loss of power and acceleration, or even the brake pedal going straight through the floor, with sudden, terrifying loss of braking, not to mention windshields shattering. It might not count as a problem, per se, but many owners also grumbled about the overly aggressive driver attention warning pop-ups, which, ironically, are even more distracting.
Elsewhere, most of the complaints that owners filed with the NHTSA about the other two very problematic Hyundais – the Tucson and Santa Fe – are recall-related. Otherwise, it’s also worth taking a look at both Kia’s and Hyundai’s all-electric models, which haven’t been fault-free, either. Though it should’ve been settled in a recall back in 2024, owners of certain Kia and Hyundai EVs continue to suffer ICCU (integrated charging control unit) failures, which can cause a total loss of power, the car going into limp mode, before then shutting down completely. To fix this, the entire ICCU module needs to be replaced.
Maintenance Costs: Kia vs Hyundai Reliability
EVs Remain Cheap To Service, As The Santa Cruz Is The Priciest To Upkeep
Maintenance Costs
Annual Maintenance Cost | 5-year Maintenance Cost
Kia
Hyundai
K4
$394 | $1,968
Elantra
$399 | $1,996
K5
$406 | $2,030
Sonata
$410 | $2,048
Carnival
$564 | $2,822
Santa Cruz
$611 | $3,057
Seltos
$520 | $2,599
Venue
$513 | $2,565
Sportage
$532 | $2,659
Kona
$529 | $2,646
Sorento
$547 | $2,736
Tucson
$539 | $2,694
Telluride
$559 | $2,796
Palisade
$564 | $2,822
Niro
$528 | $2,640
Santa Fe
$555 | $2,773
Niro EV
$528 | $2,640
Kona Electric
$312 | $1,561
EV6
$341 | $1,705
IONIQ 5
$342 | $1,712
EV9
$367 | $1,834
IONIQ 5N
$368 | $1,841
IONIQ 6
$272 | $1,360
IONIQ 9
–
While often underlooked when comparing Hyundai vs Kia reliability, CarEdge has tons of data that go beyond basic unreliability metrics by exploring the cost of routinely servicing the average Kia and Hyundai. This includes scheduled wear and tear items, as well as unexpected repair costs, too. Unsurprisingly, both automaker’s battery-electric models are relatively inexpensive to maintain, upkeep, and repair if and when problems appear, since EVs have way fewer moving parts. As such, they require less maintenance, with less wear and tear, not to mention fewer points of failure than gas-powered cars.
The downside, however, according to CarEdge’s data, is a higher overall ownership cost over a five-year period, mostly due to heavy depreciation, which all EVs suffer from, not just Kia and Hyundai vehicles. Otherwise, if you’re looking for reliable cars that offer you cost-effective ownership, maintenance, and repair costs that are light on your wallet, it’s hard to ignore both Kia’s and Hyundai’s more budget-friendly options. These include the K4 (and K4 Hatchback), the Elantra (and the Elantra N and Elantra Hybrid), Sonata (and the Sonata Hybrid), as well as the Kia K5. The crossovers and SUVs are slightly costlier.
Unexpected Repairs & Verdict: Kia vs Hyundai Reliability
SUVs Across Both Brands Feature A Higher Probability Of Major Repairs
Not only do CarEdge’s statistics survey maintenance and repair costs, but they can also give us a valuable breakdown on the probability that you’ll experience a major repair in five years of ownership, though Kia and Hyundai score equally here. As per CarEdge’s data, the chances you’ll have to go through a major repair after five years is 8.47% and 8.56% respectively for both Kia’s and Hyundai’s compact sedans. On the flip side, each brand’s lineup of crossovers and SUVs, from the tiny Hyundai Venue to the massive Kia Telluride, raises that figure to 11.45% and 11.58%, respectively, compared to the sedans.
Overall, having analyzed Hyundai vs Kia reliability, while both automakers often rank above average compared to other automakers, as of 2026 at least, Kia has the superior reputation for build quality and long-term durability. Sure, Hyundai might beat Kia when it comes to the first 90 days of ownership, but Kia easily outdoes Hyundai in every other statistic we’ve seen. Kia one-ups Hyundai with fewer and less serious recalls, and fewer major problems and frequent complaints from owners, while also being marginally more budget-friendly to maintain, making Kia the no-brainer pick for cost-conscious buyers.
Base Trim Engine
2.5L I4 ICE
Base Trim Transmission
8-speed automatic
Base Trim Drivetrain
Front-Wheel Drive
Base Trim Horsepower
186 HP @6100 RPM
Base Trim Torque
178 lb.-ft. @ 4000 RPM
Base Trim Fuel Economy (city/highway/combined)
26/37/30 MPG
Infotainment & Features
9 /10
Sources: JD Power, NHTSA, CarEdge
