Kia Stonic GT-Line Isg Mhev MOT pass rate: 94.7% (2,351 tests, 2025)

The Kia Stonic GT-Line Isg Mhev passed 94.7% of its 2,351 MOT tests in 2025 — 17.2 points above the UK average of 77.5%. The median tested example was 3 years old with 23,967 miles on the clock.

94.7%Pass rate (2025)

2,351MOT tests analysed

23,967 miMedian mileage at test

3 yrsMedian age at test

How the Stonic GT-Line Isg Mhev compares

Kia Stonic GT-Line Isg Mhev

94.7%

UK average (all Class 4 vehicles)

77.5% across 33.1 million tests

Kia average (all models)

79.8%

What fails most on the Kia Stonic GT-Line Isg Mhev

Across failed and rectified tests in 2025, these vehicle systems produced the most defects on the Stonic GT-Line Isg Mhev:

#	System	Defects recorded	Share
1	Visibility	59	100.0%

Pre-MOT checklist for Stonic GT-Line Isg Mhev owners

Based on the failure profile above, ten minutes with a torch before your test removes the most likely fail items:

Replace smeared wiper blades and top up washer fluid — both are test items

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.

Topdon OBD2 scannersTopdon diagnostic scanners with full-system readouts
XTOOL diagnostic toolsXTOOL code readers for petrol and diesel cars
Autel UK testersAutel professional-grade diagnostic testers

Stonic GT-Line Isg Mhev pass rate by registration year

Registration year	Tests	Pass rate	Vs same-age	Median mileage
2021	1,924	94.4%	+4.0 pts	23,887

Check a specific Stonic GT-Line 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

SPORTAGE78.9% pass rate · 253,493 tests Picanto76.2% pass rate · 180,724 tests Ceed72.5% pass rate · 111,091 tests Rio75.4% pass rate · 95,713 tests Niro90.5% pass rate · 54,779 tests Venga77.7% pass rate · 46,179 tests Sorento73.0% pass rate · 30,615 tests Soul73.2% pass rate · 21,811 tests

FAQs

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

In 2025, 94.7% of 2,351 first MOT tests on the Kia Stonic GT-Line Isg Mhev were passes (UK average: 77.5%). Data: DVSA anonymised MOT results.

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

Lighting, tyres and suspension dominate failures across comparable models.

Is the Kia Stonic GT-Line 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 23,967 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.