What year Kia Niro 4 HEV S A is most reliable?

Based on MOT first-test pass rates, the 2022 Kia Niro 4 HEV S A has the highest pass rate at 95.8%, out of 674 vehicles tested.

What are the most common Kia Niro 4 HEV S A MOT failures?

The most common Kia Niro 4 HEV S A MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Kia Niro 4 HEV S A — Reliability by Year

6,523 vehicles · MOT data 2022–2025 · first-test pass rates

This page shows MOT first-test pass rates for each year the Kia Niro 4 HEV S A was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

Year	Pass rate	Avg mileage	Vehicles
2025	First MOTs due 2028+	4,007 mi	1,876
2024	First MOTs due 2027+	11,318 mi	2,413
2023	First MOTs due 2026+	18,694 mi	1,560
2022	95.8%	19,720 mi	674

* UK vehicles require their first MOT at 3 years old. Recent model years shown in grey have little or no MOT test data yet — pass rate data will build up as those vehicles mature.

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