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Kia problems by generation and mileage

18 generations across 5 models, built from 16,358 complaints that record mileage at failure.

Kia models and generations

Pick your car. Each generation has its own page: what owners reported breaking, at what mileage, year by year, and its recalls.

How long do Kias last?

Complaint records can’t measure how long a car lasts; they show when reported failures happened. Across the 18 Kia generations here — 9 of the 18 generations here left production more than ten years ago, and older ones have had longer to reach high mileage, so read the figure against that mix — half of the 16,358 complaints that record an odometer reading were filed by 76,000 miles and 90% by 140,000 miles. 1,188 came in past 150,000 miles and 206 past 200,000 — each one a car that got there, not one that failed there.

At what mileage do Kias start having problems? A quarter of those reports came by 38,000 miles, and 13% within the first 12,000 — the window this site treats as manufacturing defects rather than wear. That is the start of the reports, not the onset of problems on any one car.

For one car, open its generation in the list above: each page gives its own figures, year by year.

Mileage at failure, generation by generation

Each strip places that generation’s mileage-tagged reports on a linear 0–200,000-mile scale: whisker = middle 80%, box = middle half, line = median. † marks recent generations — their fleets are young, so their reports can only have come at low mileages. Compare generations of similar age.

Forte

• 2010–201359380,000
• 2014–201866165,000
• 2019–2024†11411,000too few reports to chart

Optima

• 2001–200557581,000
• 2006–201052466,000
• 2011–20152,87481,000
• 2016–202055460,000

Sorento

• 2003–20091,22875,000
• 2011–20153,20281,000
• 2016–202090756,000
• 2021–2025†10322,000too few reports to chart

Soul

• 2010–201391278,000
• 2014–20191,76283,000
• 2020–2025†25722,000

Sportage

• 1995–200256769,000
• 2005–201034072,000
• 2011–201687291,000
• 2017–2022†31340,000

What the strips show across Kia

Of the 18 Kia generations here, 14 with failures spread across the mileage range; 4 with failures concentrated early. The shape matters more than the median: a generation whose reports cluster tightly at one mileage is describing a part that fails, while one spread across the whole range is describing ordinary wear, and the two need different decisions from a buyer. The most common shape across this make is failures spread across the mileage range, on 14 of 18.

Comparing generations of the same age

Medians fall as generations get newer, and that is age, not decline: a car built three years ago has not had time to reach a high odometer reading, so its reports cannot come from one. The only honest comparison is inside an age band, and here is this make split into three. The spread inside a band is a comparison worth making; the same numbers set against a generation from another band are not.

Kia built in the last decade

9 generations, median of medians 56,000 miles. Among those built in the last decade, the earliest reports belong to the Forte 2019–2024 at 11,000, the latest to the Sportage 2011–2016 at 91,000: a spread of 80,000 miles.

Kia built between ten and twenty years ago

7 generations, median of medians 78,000 miles. Among those built between ten and twenty years ago, the earliest reports belong to the Optima 2006–2010 at 66,000, the latest to the Optima 2011–2015 at 81,000: a spread of 15,000 miles.

Kia older than twenty years

2 generations, median of medians 81,000 miles. Among those older than twenty years, the earliest reports belong to the Sportage 1995–2002 at 69,000, the latest to the Optima 2001–2005 at 81,000: a spread of 12,000 miles.

Where the reports concentrate

The middle half of the reports — between the 25th and 75th percentile — is the part of the curve that says most. On the Optima 2001–2005 it spans 53,000 miles, the tightest of any Kia generation here: half the reports arrive inside that window, which is what a single failing part looks like in this data. On the Soul 2010–2013 the same half spans 93,000 miles — a curve that wide is describing a fleet ageing, not a part failing.

The largest body of evidence for this make is the Sorento 2011–2015, with 3,202 reports that record an odometer reading. Generations with a few hundred reports describe their own owners more loosely, and every number on this page carries that weight with it.

Model by model

Within one model the generations are the fairest comparison this data allows: same maker, same intent, often the same platform carried forward. Where a median moves sharply between two generations of the same model, it is worth asking whether the newer one is simply younger. Where the generation reporting later is also the older one, part of the gap is age rather than build; where it is the newer one, age alone does not explain it. The latest-reporting cell says which case each model is.

Swipe the table sideways for every column.

What fails across Kia, and when

Summed across every Kia generation on this site, the most-reported system is Engine: 12,996 reports, 42% of the 30,724 that name a system, and it appears among the leading systems on 16 of the 18 generations here, reporting at a median of 93,000 miles.

The right-hand column is a median of medians, not an average: a generation with three thousand reports and one with two hundred would otherwise carry the same weight in a mean, and they do not describe the same amount of evidence. Read it as the middle of the range this make reports at, not as a prediction for one car.

Recalls across Kia

NHTSA has issued 103 recall campaigns against the Kia generations on this site, spread over 18 of 18. A recall is not a reliability score: it means a defect was found and a free repair is owed, and a make watched closely can collect more campaigns than one nobody examined. What it does mean for a buyer is concrete — the work is free at an authorized dealer, for any owner, and whether a given car is included depends on its VIN rather than on its model year.

• Sorento 2021–2025 — 16 campaigns
• Sorento 2011–2015 — 13 campaigns
• Sorento 2016–2020 — 12 campaigns
• Optima 2011–2015 — 11 campaigns
• Sportage 1995–2002 — 9 campaigns
• Sportage 2011–2016 — 9 campaigns

What this page cannot tell you

These are complaints, not failures. A complaint exists because an owner chose to file one with NHTSA, and nothing here counts the owners who did not. That makes the counts a measure of reporting as much as of breaking, and it is why this site never ranks one car against another: it describes what happens to a given car, and when.

Nor is any of this a rate. A rate needs a denominator — how many of these cars were sold — and no free model-level production figure exists. The obvious substitute, the affected-vehicle count on recall campaigns, was tested here and rejected: it overstates by a median factor of 7.6, because most campaigns span several model years. So a generation with more reports than another may simply be a generation with more cars on the road. The method page sets out every step.

Every page here is generated from the NHTSA Office of Defects Investigation dataset. How this is built · All makes