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Kia: reliability & common problems

#9 of 24
Longevity rank#1 Tesla holds up to ~197k
~122k
Trouble-free mileageacross all body styles
140
Kias inspectedreal pre-purchase inspections
69/100
Average conditionall cars we check: 61/100



Based on 140 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
45%
Tires condition & wear · Brakes and tires
34%
Fuel trim out of range · Engine
31%
Low coolant / cooling system issues · Engine
22%
Active error codes · Electronic equipment
16%

Share of inspected Kias where each item was flagged.

How they score

Excellent 42% Good 26% Mediocre 20% Poor 11%
Hidden history

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

69%had a repainted or replaced panelall cars: 75%
1%showed structural repairall cars: 4%
22%had fault codes recently clearedall cars: 24%

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 ~122k miles. It ranks Kia #9 of 24 brands we have enough data to rate; the longest-lasting, Tesla, holds up to ~197k. 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 (26 cars) 40–60k mi: 100% in good shape (13 cars) 60–80k mi: 68% in good shape (25 cars) 80–100k mi: 61% in good shape (23 cars) 100–120k mi: 50% in good shape (18 cars) 120–140k mi: 33% in good shape (6 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 (15 cars) 3 years old: 90% in good shape (21 cars) 4 years old: 78% in good shape (9 cars) 5 years old: 60% in good shape (10 cars) 6 years old: 64% in good shape (14 cars) 7 years old: 56% in good shape (16 cars) 8 years old: 40% in good shape (15 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 29 cars · 80% good Forte 22 cars · profile soon Sorento 21 cars · profile soon Optima 18 cars · profile soon Sportage 11 cars · profile soon

Recently inspected:

2014 Kia Cadenza · 126k mi — flagged: abnormal noise, low coolant / cooling system issues, oil leaks. Inspected Sep 25.
2020 Kia Forte · 118k mi — flagged: signs of recent repair, fault codes recently cleared, excessive pads wear. Inspected Sep 2.
The bottom line

When you look at a used Kia, treat the engine as the whole conversation. Oil leaks, fuel-trim problems, and cooling-system issues dominate what actually fails, so pop the hood first and walk if you find more than a minor seep plus a temperature or trim complaint. Tires are the next common hit, so factor a new set into the price. Frame work is uncommon, which means you’re not usually buying someone else’s wreck. Condition typically stays decent until around 122,000 miles, then it falls off—buy below that with a clean scan, and use engine leaks as your negotiation lever.

FAQ
?
Is Kia reliable?
68% of the 140 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 (45%), tires condition & wear (34%), fuel trim out of range (31%).
Thinking of buying a Kia? Get the exact car inspected before you pay.
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Based on 140 inspections · updated Oct 11, 2026