AtWhatMileage
Model year report

2026 Kia Carnival: what breaks, and at what mileage

What breaks on the 2026 Kia Carnival

On the 2026 Kia Carnival, the failure owners report most often is backup camera failure, with 4 reports on file. Across every failure mode on this year, half the dated reports were filed before 75,000 miles. Overall it scores 72 out of 100, high risk for a 2026.

High risk for a 2026 — 27th riskiest of the 73 2026 vehicles we can rate. 33 owner reports; fleet size estimated from this year's own recall paperwork.

The failures owners actually file about

Owners have reported 22 named failure modes on the 2026 Kia Carnival, and the three most-reported carry 27% of everything filed, which is an unusually even spread for one model year.

Backup camera failure leads with 4 reports and about 0.1 per 1,000 vehicles.

Misfire or rough idle follows with 3 reports.

Overheating follows with 2 reports.

By system, the reports fall mostly into engine (6), infotainment (4) and cooling (3).

When these failures get reported

Too few of the reports on this year carry an odometer reading to describe the timing: 4 of them do. The mileages quoted elsewhere on this page come from the modes that have enough of them.

Median
  1. Backup camera failure
    no odometer readings given
    —
  2. Misfire or rough idle
    no odometer readings given
    —
  3. Overheating
    no odometer readings given
    —
  4. Lane keep or steering assist fault
    no odometer readings given
    —
  5. Other engine problem
    no odometer readings given
    —
  6. Other electrical problem
    no odometer readings given
    —
  7. No-start or intermittent start failure 120k
  8. Water pump failure
    no odometer readings given
    —
  9. Fuel injector failure
    no odometer readings given
    —
  10. Fuel leak or fuel odor 168k
  11. Loss of braking
    no odometer readings given
    —
  12. Airbag failed to deploy in a crash 21k

Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens

Showing the 12 most-reported failure modes of 22. The full list is in the table below.

How reports accumulate

Share of reports filed by each mileage

Every report with an odometer reading, cumulative, from 0 to 200,000 miles. A curve that climbs early is a car with early problems, whatever its total.

  • Line share of reports filed by that mileage

Severity, and what it costs

Across the named modes, 3 mention a crash and 2 an injury. Those are the words owners used in their own complaints, and NHTSA does not verify them, but they are the closest thing in this data to a measure of what a failure actually did.

The average severity weight across every report on this year is 4.18, where a stalled engine or a failed airbag weighs many times more than a rattling trim panel, and a figure this high means the reports are dominated by failures with safety consequences rather than annoyances. The weighting is set out in full on the methodology page.

What the top failures cost to put right, as editorial estimates for an independent US shop rather than figures from NHTSA: backup camera failure at $250–$1,200, misfire or rough idle at $250–$1,600, overheating at $400–$3,500 and lane keep or steering assist fault at $200–$1,600. Dealer labour, a seized bolt or a part that is no longer made can push any of these past the top of its range.

30% of the reports on this year sit in the engine, transmission, drivetrain or cooling systems — the four where a repair bill is usually four figures.

Every reported failure mode

Mileage figures are percentiles of owner-reported readings. Click a column to sort.
Failure mode System Reports With reading 25th Median 75th Per 1,000 Typical repair Severity
Backup camera failure infotainment 4 0 — — — 0.1 $250–$1,200 Moderate
Misfire or rough idle engine 3 0 — — — 0.1 $250–$1,600 Moderate
Overheating cooling 2 0 — — — 0.1 $400–$3,500 High
Lane keep or steering assist fault adas 2 0 — — — 0.1 $200–$1,600 High
Other engine problem engine 2 0 — — — 0.1 $300–$4,000 High
Other electrical problem electrical 2 0 — — — 0.1 $250–$2,000 Moderate
No-start or intermittent start failure engine 1 1 — 120k — 0.0 $200–$1,800 Moderate
Water pump failure cooling 1 0 — — — 0.0 $500–$2,200 High
Fuel injector failure fuel 1 0 — — — 0.0 $450–$2,800 Moderate
Fuel leak or fuel odor fuel 1 1 — 168k — 0.0 $300–$2,500 Critical
Loss of braking brakes 1 0 — — — 0.0 $400–$3,000 Critical
Airbag failed to deploy in a crash airbag 1 1 — 21k — 0.0 $1,000–$5,000 Critical
Alignment fault and uneven tire wear suspension 1 0 — — — 0.0 $150–$1,200 Moderate
Liftgate, tailgate or trunk failure body 1 0 — — — 0.0 $250–$1,500 Moderate
Air conditioning failure hvac 1 0 — — — 0.0 $400–$2,800 Moderate
Software fault or failed update software 1 0 — — — 0.0 $0–$600 Moderate
Other powertrain problem transmission 1 0 — — — 0.0 $400–$4,500 High
Other fuel system problem fuel 1 1 — 31k — 0.0 $300–$2,200 High
Other brake problem brakes 1 0 — — — 0.0 $300–$1,800 High
Other suspension problem suspension 1 0 — — — 0.0 $350–$2,000 Moderate
Other speed control problem adas 1 0 — — — 0.0 $250–$2,000 Critical
Other body or interior problem body 1 0 — — — 0.0 $200–$2,000 Moderate
Unclassified problem other 2 0 — — — 0.1 — Moderate

Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound. Repair costs are typical independent-shop ranges for the failure, not figures from these reports.

How often, against how many were built

Scaled by an estimate of how many of these cars exist, the 2026 Kia Carnival draws about 1.2 per 1,000 vehicles, which puts it in the 83rd percentile of complaint rates among 2026 vehicles we can rate.

That denominator is the weakest number on the page and it is fair to say so plainly. Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound.

The working figure is 28,206 vehicles. If the true number is twice that, every rate on this page is half what it says; the ranking against other 2026 vehicles, which is what the risk score uses, is far more robust than the rate itself.

Recalls on the 2026 model year

NHTSA has issued 2 recall campaigns covering the 2026 Kia Carnival, affecting an estimated 31,254 vehicles. A recall is a different kind of evidence from a complaint: it is the regulator and the manufacturer agreeing that something has to be fixed, and the fix is free for as long as the car exists.

The campaigns cover fuel system, gasoline:delivery:hoses, lines/piping, and fitt and electrical system: instrument cluster/panel. Whether the work was actually done on the car in front of you is a question only the VIN can answer, and the manufacturer or NHTSA will answer it free.

One caution about reading these together: a recall usually raises the complaint count for the same part, because owners who read about it go and file. The mileages stay informative; the counts get noisy.

26V232000

FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

141,032 vehicles 2026-04-10
Defect
Kia America, Inc. (Kia) is recalling certain 2022-2026 Carnival vehicles. Fuel may leak at the pipe connection between the fuel pipe and fuel rail.
Consequence
A fuel leak increases the risk of a fire.
Remedy
Dealers will inspect and tighten, or replace the fuel pipe as necessary, free of charge. Owner notification letters were mailed June 2, 2026. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC368. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov on April 24, 2026.
26V046000

ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

42,677 vehicles 2026-01-26
Defect
Kia America, Inc. (Kia) is recalling certain 2025 Kia K4, 2025-2026 Sorento, Sorento Hybrid, Sorento Plug-In Hybrid Electric (PHEV), 2026 Sportage, Sportage Hybrid, Sportage PHEV, K5, EV9, Carnival, and Carnival Hybrid vehicles. Due to a software error, the instrument panel display may fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 101, "Controls and Displays" and 138, "Tire Pressure Monitoring System."
Consequence
An instrument panel display that fails to show critical safety information, such as the speedometer, tire pressure, or warning lights, increases the risk of a crash.
Remedy
The instrument panel display software will be updated over-the-air (OTA) or by a dealer, free of charge. Owner notification letters are expected to be mailed March 26, 2026. Owners may contact Kia Customer Service at 1-800-333-4542. Kia's number for this recall is SC361. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov on February 9, 2026.

Recall work is free at a franchised dealer regardless of the car's age. Check the VIN at nhtsa.gov/recalls before assuming it was done.

How it ranks in the 2026 field

The score at the top of the page, placed among its peers. The zones are the same thresholds the scorer applies, read out of the scorer itself, so the picture and the band word cannot disagree.

Risk score against the rest of the 2026 field

Scores are ranked within the model year, never across years, because an older car has had longer to accumulate reports.

  • Left fewer and less serious reports
  • Right more, or worse
  • Marker this vehicle

How 2026 compares with the other years

High risk for a 2026 — 27th riskiest of the 73 2026 vehicles we can rate. The comparison is always within the same model year, so an older car is never penalised for having had longer to break.

Across the 5 model years of this car that carry enough reports to score, 2025 comes out best at 67 and 2022 worst at 80, with 2026 itself at 72.

If the model year is negotiable, 2025 scores lower than 2026 by a margin worth acting on. Same body, same engines, different luck — usually a supplier change or a mid-cycle fix, which the complaint data can show but never explain.

Within the 2022–2026 generation specifically, 2025 is the strongest year at 67 and 2022 the weakest at 80.

Scores compare each year against other cars of the same model year, so a low number on an older car is a real result and not an artefact of age.

Risk score by model year, out of 100

Shorter is better. Years with too few reports to score are shown without a bar rather than as a zero, because no data is not good news.

Within the 2022-2026 generation, 2025 Kia Carnival scores best at 67 and 2022 Kia Carnival worst at 80.

Where these figures stop being useful

33 owner reports; fleet size estimated from this year's own recall paperwork. Every count on this page is therefore a floor: it is the number of owners who went to the trouble of filing with a federal agency, which is a small and self-selected fraction of the owners who had the fault.

Of those 33 reports, 4 carried an odometer reading, so the mileages here describe 12% of the sample rather than all of it. Owners also round: readings pile up on multiples of ten thousand, which is why this site publishes "about 90,000 miles" and not "91,438".

The failure modes are assigned by software reading the owner's own words, which is accurate in bulk and wrong in individual cases. A mode with a handful of reports may contain a misfiled one.

And nothing here predicts what one car will do. These are other people's complaints, filed years apart, on cars maintained by strangers. Read the page as a map of where this model year has previously gone wrong, then have the specific car in front of you inspected.

Questions this page answers

What are the most common problems with the 2026 Kia Carnival?

The most-reported failures are backup camera failure (4 reports), misfire or rough idle (3 reports) and overheating (2 reports). Counts come from owner complaints filed with NHTSA, which are voluntary, so they show what owners bothered to report rather than every fault that occurred.

Is the 2026 Kia Carnival reliable?

It scores 72 out of 100 on our risk index, which is high — 27th riskiest of the 73 2026 vehicles we can rate. The score is a comparison against other 2026 vehicles, not a prediction about any individual car, and it is built from complaint rates, severity and how early failures appear.

Which year of the Kia Carnival is best?

Within the 2022–2026 generation, 2025 scores best at 67 out of 100 and 2022 worst at 80. Same body, same engines, different luck.

Where this comes from. Every figure above is computed from NHTSA owner complaints and recall records for this exact make, model and year. Complaints are voluntary and self-selected, so treat counts as a floor. The methodology page writes out each formula, and the same numbers are available as JSON.

What breaks at my mileage Compare with another car

Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed