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Kia Stonic — Reliability by Year

18,886 vehicles · MOT data 2017–2021 · first-test pass rates

This page shows MOT first-test pass rates for each year the Kia Stonic was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

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Best pass rate year
2020
92.7% pass rate · 3,539 vehicles
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Lowest pass rate year
2018
90.7% pass rate · 6,789 vehicles
Year Pass rate Avg mileage Vehicles
2021
91.4%
21,578 mi 138
2020
92.7%
22,817 mi 3,539
2019
91.6%
28,654 mi 7,696
2018
90.7%
33,571 mi 6,789
2017
90.8%
36,507 mi 724

Which year Kia Stonic is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests.

Tests range from an average of 21,578 miles (newest year) to 36,507 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →

Trying to decide which year to buy?

We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a Kia Stonic.

See the buying guide →

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