Kia Stonic GT-Line S Isg Mhev MOT pass rate: 94.7% (1,832 tests, 2025)

The Kia Stonic GT-Line S Isg Mhev passed 94.7% of its 1,832 MOT tests in 2025 — 17.2 points above the UK average of 77.5%. The median tested example was 3 years old with 22,542 miles on the clock.
94.7%Pass rate (2025)
1,832MOT tests analysed
22,542 miMedian mileage at test
3 yrsMedian age at test

How the Stonic GT-Line S Isg Mhev compares

Kia Stonic GT-Line S Isg Mhev

94.7%

UK average (all Class 4 vehicles)

77.5% across 33.1 million tests

Kia average (all models)

79.8%
Check the engine before the tester does

A stored fault code with the engine light on is an automatic Major defect. Scan and clear resolved faults before booking.

Stonic GT-Line S Isg Mhev pass rate by registration year

Registration yearTestsPass rateVs same-ageMedian mileage
2021 1,789 95.2% +4.8 pts 22,050

Check a specific Stonic GT-Line S Isg Mhev before you buy

Pass rates describe the model; they can’t tell you about the one car you’re looking at. Run its plate through our free MOT history check to see its personal record of failures, advisories and mileage readings.

Other Kia models

FAQs

What is the MOT pass rate for a Kia Stonic GT-Line S Isg Mhev?

In 2025, 94.7% of 1,832 first MOT tests on the Kia Stonic GT-Line S Isg Mhev were passes (UK average: 77.5%). Data: DVSA anonymised MOT results.

What does the Stonic GT-Line S Isg Mhev fail its MOT on most?

Lighting, tyres and suspension dominate failures across comparable models.

Is the Kia Stonic GT-Line S Isg Mhev reliable?

MOT pass rate is one lens on durability: at 94.7% it performs above the national average at a median age of 3 years and 22,542 miles. Always check the individual car's history too.

Source: DVSA Anonymised MOT tests and results, 2025 extract (Class 4 initial tests only; retests excluded). Contains public sector information licensed under the Open Government Licence v3.0. Figures rounded to one decimal place.