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Kia: reliability & common problems

#9 of 24
Longevity rank#1 Tesla holds up to ~189k
~121k
Trouble-free mileageacross all body styles
133
Kias inspectedreal pre-purchase inspections
69/100
Average conditionall cars we check: 61/100



Based on 133 used Kias we inspected, they tend to be in noticeably better shape than the typical used car we inspect — average condition 69/100 vs 61 for all cars we check. Every number on this page comes from real pre-purchase inspections — cars people were about to buy and paid an independent inspector to go through point by point, engine to underbody, paint depth to error codes. Not owner surveys, not warranty statistics, not forum lore: what we actually found.

What we found

Most common faults

Oil leaks · Engine
46%
Tires condition & wear · Brakes and tires
35%
Fuel trim out of range · Engine
32%
Low coolant / cooling system issues · Engine
23%
Active error codes · Electronic equipment
17%

Share of inspected Kias where each item was flagged.

How they score

Excellent 43% Good 26% Mediocre 20% Poor 11%
Hidden history

What the seller might not mention — how often we find it on Kias.

68%had a repainted or replaced panelall cars: 75%
1%showed structural repairall cars: 4%
20%had fault codes recently clearedall cars: 23%

Compare with another brand:

Cross-shopping? Kia vs Toyota · Kia vs Honda · Kia vs Ford

How long does a Kia last?

Across every Kia body style we've inspected — sedans, SUVs and anything else pooled together — the average one's condition dips below decent (a 55/100 score) around ~121k miles. It ranks Kia #9 of 24 brands we have enough data to rate; the longest-lasting, Tesla, holds up to ~189k. Shopping a Kia near that mileage? Expect more wear ahead — see which makes give the best odds at your budget.



Good cars by mileage
0 25 50 75 100 0–20k mi: 100% in good shape (11 cars) 20–40k mi: 88% in good shape (25 cars) 40–60k mi: 100% in good shape (12 cars) 60–80k mi: 71% in good shape (24 cars) 80–100k mi: 59% in good shape (22 cars) 100–120k mi: 50% in good shape (16 cars) 120–140k mi: 40% in good shape (5 cars) 140–160k mi: 22% in good shape (9 cars) 160–180k mi: 50% in good shape (6 cars) 40k 80k 120k 160k 200k mileage when we inspected it
Good cars by age
0 25 50 75 100 1 years old: 100% in good shape (10 cars) 2 years old: 93% in good shape (14 cars) 3 years old: 90% in good shape (20 cars) 4 years old: 78% in good shape (9 cars) 5 years old: 60% in good shape (10 cars) 6 years old: 67% in good shape (12 cars) 7 years old: 56% in good shape (16 cars) 8 years old: 36% in good shape (14 cars) 9 years old: 78% in good shape (9 cars) 10 years old: 80% in good shape (5 cars) 11 years old: 20% in good shape (5 cars) 2y 4y 6y 8y 10y 12y 14y 16y vehicle age when we inspected it

Share of Kias in good shape (scoring 60+/100) by mileage and by age when we inspected them (each dot ≥5 cars; rolled-back odometers excluded from the mileage curve). The dashed grey curve is all cars we check.



Kia models we've inspected
Soul 27 cars · 82% good Sorento 21 cars · profile soon Forte 20 cars · profile soon Optima 18 cars · profile soon Sportage 11 cars · profile soon

Recently inspected:

2024 Kia EV9 · 22k mi — flagged: seats. Inspected Aug 13.
2016 Kia Sportage · 82k mi — flagged: oil leaks, signs of recent repair, fault codes recently cleared. Inspected Aug 13.
The bottom line

When you're standing in front of a used Kia, start with the engine because oil leaks, out-of-range fuel trim and cooling-system problems turn up more often than anything else. Have a mechanic check for seepage, scan for codes and pressure-test the cooling system before you even talk price. Tires are the next weak spot, so factor replacement cost into any offer. These cars generally stay decent until they hit 121,000 miles, after which condition tends to slide, and they almost never hide structural repairs. If you see active codes or a wet engine bay on a higher-mileage example, walk away or negotiate aggressively.

FAQ
?
Is Kia reliable?
69% of the 133 Kias we inspected scored 60/100 or higher, averaging 69/100 — they tend to be in noticeably better shape than the typical used car we inspect.
?
What are the most common problems with a used Kia?
Across the Kias we inspected, the items we flag most often are oil leaks (46%), tires condition & wear (35%), fuel trim out of range (32%).
Thinking of buying a Kia? Get the exact car inspected before you pay.
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Based on 133 inspections · updated Aug 22, 2026