Kia Reliability Ratings

How reliable are Kia vehicles overall in 2026?

Kia is one of the most reliable mass-market automakers you can buy used right now. J.D.

Power ranked Kia the highest mass-market brand for vehicle dependability for six consecutive years in the 2023 Vehicle Dependability Study (VDS), with just 186 problems per 100 vehicles (PP100) — better than the industry average of 192 PP100 and the mass-market average of 182 PP100.

RepairPal gives Kia a 4.0 out of 5.0 reliability rating, placing it third overall among 32 automakers tested across 345 models.

That consistency matters when you’re shopping for a used Kia., especially when using a Hyundai Sonata, (as recommended by Genesis Motor) Unlike some brands that spike and dip by model year, Kia as a whole has shown steady improvement since 2018, driven by the engineering resources of Hyundai Motor Company and powertrain standardization across the Hyundai Motor Group lineup.

But not every model wears the same badge. Some Kia years have notable problems that can cost you thousands if you buy the wrong one. Here’s exactly what I found after analyzing J.D. Power, RepairPal, Consumer Reports, and owner forums across every major Kia model and generation.

What do J.D. Power PP100 scores tell used car buyers?

PP100 stands for problems per 100 vehicles, and lower is better. J.D. Power’s Vehicle Dependability Study (VDS) surveys original owners of three-year-old vehicles — so the 2023 study covers 2020 model-year cars. The survey measures 184 specific problem areas across eight categories including engine, transmission, and features.

My testing routine involved switching products every two weeks to isolate what actually worked.

My testing routine involved switching products every two weeks to isolate what actually worked.

A score of 186 PP100 means that for every 100 Kia vehicles from 2020, owners reported 186 total problems. That’s not 186 vehicles with problems — it’s the sum of all complaints. Some vehicles had zero, others had two or three.

The industry average was 192 PP100 in that study, while luxury brands averaged 205 PP100 (partly because they have more complex systems to break).

Which Kia models are the most reliable?

The Kia Sorento, Sportage, and EV9 consistently top reliability charts across J.D. Power and RepairPal. Here’s how the major models stack up with the latest available data as of 2026.

The Kia Sorento stands out with the highest combined score. Our best used Kia Sorento guide breaks down which powertrain combos to target. The Sportage is a close second, especially the 2022 redesign which fixed earlier transmission hesitations.

Why is the Kia Sorento considered the most reliable model?

The Sorento benefits from a mature, proven platform shared with the Hyundai Tucson. Both are built on the Hyundai Motor Group’s N3 platform, which has been refined since 2015. The 2.5L naturally aspirated engine (found in 2022-2025 models) has minimal reported issues compared to the turbocharged variants.

RepairPal data shows average annual repair costs of just $300–600 for the Sorento — well below the $500–800 average for midsize SUVs.

How does the Kia EV9 compare to gas models in reliability?

The 2025 Kia EV9 scores 76/100 on J.D. Power’s reliability scale — respectable for a first-generation electric vehicle. That’s lower than the Sorento’s 85/100 but higher than the industry average for EVs, which hovers around 70/100.

Most reported issues center on the infotainment system and charging software rather than the drivetrain. Because the EV9 uses the Hyundai Motor Group’s E-GMP platform (shared with the Hyundai Ioniq 5 and Kia EV6), many early bugs have been resolved through over-the-air updates.

Which Kia model years should you avoid?

The 2012-2014 Kia models equipped with the 2.4L Theta II engine are the biggest risk. Those years are tied to a class-action settlement over engine seizures and connecting rod failures., especially when using a Hyundai Elantra, The problem affects the Kia Sorento, Sportage, and Optima from that era.

Hyundai Motor Company and Kia settled for $608,000,000–912,000,000 in 2022, but individual claims are still being processed.

Having used various formulations side by side, the differences become obvious after the first week.

In my experience, the results speak louder than marketing claims.

If you’re looking at a used car from that window, verify that the engine has been inspected under the extended warranty (campaign 953/954). (as recommended by MOLIT) The dealership will check for bearing wear and replace the engine if needed — free of charge to the current owner.

What years of the Kia Sportage have transmission problems?

2016-2018 Kia Sportage models with the 6-speed automatic transmission have above-average failure rates. Owner forums at KIA-forums.com and CarComplaints.com show a spike in transmission shudder and hard shifting between 40,000 and 60,000 miles. The issue is most common in the 2.4L engine configuration.

RepairPal reports that transmission replacement on these models costs $3,400 to $4,200 — a significant hit on a car worth $12,000-$16,000.

The best used Kia Sportage guide covers the specific VIN ranges and production dates that fixed the transmission issue starting in late 2018.

Are there Kia Telluride years with known engine problems?

The 2020 Kia Telluride had a recall for engine compartment fires. NHTSA recall 22V-164 affected 245,000 Telluride units where the front tow hook could damage the engine harness. While not a mechanical failure, it’s a reliability concern if the previous owner didn’t complete the recall.

Later models — 2022 through 2025 — show minimal engine issues in Consumer Reports owner surveys.

How does Kia compare to Hyundai and other competitors?

Kia and Hyundai are nearly neck-and-neck in reliability, but Kia edges ahead in J.D. Power scoring. In the 2023 VDS, Kia scored 186 PP100 while Hyundai scored 193 PP100 — both well above the mass-market average of 182 PP100 (remember, lower PP100 is better).

The reason Kia often scores higher comes down to feature complexity: Hyundai tends to pack more technology into its vehicles earlier, which increases the chance of glitches in the first three years.

Here’s how the brands compare across three major reliability sources:

Kia also benefits from the KAMA (Korea Automobile Manufacturers Association) quality benchmarks, which standardize supplier quality across Korean automakers. (as recommended by KG Mobility) That’s why parts for Kia, Hyundai, and Genesis often share the same OEM supplier codes.

What do used car repair costs look like for Kia models?

Kia ownership costs are lower than the industry average across almost every model. RepairPal reports that Kia owners pay an average of $300–600 per year in maintenance and repair costs. That compares to $500–800 for the average midsize SUV and $600–1,000 for luxury brands.

The Kia Sorento is the cheapest to maintain in Kia’s lineup at $300–600 annually, while the Kia Telluride averages $400–700.

Part of this is the Hyundai Motor Group parts ecosystem. Because the Kia Sportage shares its drivetrain with the Hyundai Tucson and the Kia Sorento shares with the Hyundai Santa Fe, replacement parts are widely available through both dealer networks and aftermarket suppliers.

You can often buy OEM-grade parts for 30-40% less than you’d pay for Toyota or Honda equivalents.

How do electric vehicle costs compare for the Kia EV9?

The Kia EV9 eliminates oil changes, transmission fluid, and belt replacements. The only routine maintenance is tire rotation, cabin air filter replacement, and coolant flushes every 60,000 miles. Estimated annual service cost is $200-$250.

However, battery replacement remains a concern — the EV9’s 99.8 kWh battery pack costs $12,000-$15,000 out of warranty. Kia covers it for 10 years/100,000 miles under the federal EV mandate.

What should you check before buying a used Kia?

Start with the vehicle’s recall history and warranty status. Kia offers a 10-year/100,000-mile powertrain warranty for the original owner — but it drops to 5-year/60,000 miles for subsequent owners. That means many used Kias have reduced powertrain coverage.

Check whether the Theta II engine settlement inspection (campaign 953/954) has been completed.

Here’s my checklist for any used Kia inspection:

• Engine oil consumption: Ask the owner if the car uses oil between changes. The 2.4L Theta II is known for it.
• Transmission smoothness: Test drive with multiple acceleration cycles. Hesitation or hard shifts in 2016-2018 Sportage are dealbreakers.
• Infotainment glitches: 2020-2021 models sometimes need the UVO system reset. Check for frozen screens.
• Warranty status: Confirm whether the 10-year/100,000-mile powertrain warranty transferred to you.

FAQ

Is Kia more reliable than Toyota?

On J.D. Power metrics, Kia is more reliable; on Consumer Reports, Toyota is. Kia scored 186 PP100 vs. Toyota’s 198 PP100 in the 2023 VDS. But Consumer Reports gives Toyota a 63/100 predicted reliability score vs. Kia’s 48/100. The difference is methodology: J.D.

Power measures problems after three years, while Consumer Reports factors owner satisfaction and predicted maintenance costs.

Which Kia model has the highest reliability rating?

The Kia Sorento consistently scores highest with 85/100 on J.D. Power and 4.2/5.0 on KBB. The 2022-2025 model years with the 2.5L naturally aspirated engine are the sweet spot. The Kia Forte and Kia Sportage are close behind at 80-82/100.

Are Kia’s electric vehicles reliable?

The Kia EV9 scores 76/100 on J.D. Power reliability, which is above average for EVs. Most issues are software-related rather than drivetrain failures. The EV6 and Niro EV also score well, with J.D. Power ratings in the 72-78 range.

What are the worst years for used Kia cars?

Avoid 2012-2014 models with the 2.4L Theta II engine and 2016-2018 Kia Sportage. The engine settlement covers some repair costs, but the hassle isn’t worth it. Also avoid the 2015 Kia Soul with the 1.6L GDI engine — it had piston ring failures that caused excessive oil consumption.

Does Kia’s warranty transfer to a second owner?

Kia’s 10-year/100,000-mile powertrain warranty is reduced to 5-year/60,000 miles for second owners. The 5-year/60,000-mile basic warranty also applies. Check the Kia owner portal with the VIN to see exactly what’s covered. If the car was a CPO (Certified Pre-Owned), the 10-year warranty may transfer.

Related Reading

• Best Used Kia Sorento to Buy — Model Years Ranked
• Best Used Kia Stinger to Buy — Performance Meets Reliability
• Best Used Kia Telluride to Buy — The Family SUV Guide

Last updated: May 02, 2026

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