What year Kia Stonic 2 is most reliable?

Based on MOT first-test pass rates, the 2020 Kia Stonic 2 has the highest pass rate at 92.0%, out of 153 vehicles tested.

What are the most common Kia Stonic 2 MOT failures?

The most common Kia Stonic 2 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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6,686 vehicles · MOT data 2020–2025 · first-test pass rates

Best pass rate year

2020

92.0% first-test pass rate · 153 vehicles

Lowest pass rate year

2025

0.0% first-test pass rate · 1,358 vehicles

Year	Pass rate	Avg mileage	Vehicles
2025	0.0%	—	1,358
2024	0.3%	11,329 mi	624
2023	9.9%	22,225 mi	1,405
2022	91.2%	22,092 mi	1,506
2021	91.8%	23,865 mi	1,640
2020	92.0%	26,318 mi	153

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