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

Name: Kia Stonic GT-Line S Isg Mhev MOT statistics 2025
Creator: OBDCode UK
License: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/

Last updated 24 August 2026 · OBDCode UK editorial

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%

Engine management light on?

An illuminated engine management light is a Major MOT defect. Read the code, repair the cause, then confirm the light stays off — clearing a code alone is not a repair.

Understand the engine management light and MOT rules →

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

Registration year	Tests	Pass rate	Vs same-age	Median mileage	Pass-rate bar
2021	1,789	95.2%	+4.8 pts	22,050	95.2% visual scale

Same-vehicle follow-up

The defect groups above are a single-year count. The prognosis registry follows the same vehicle_id into the next MOT year. The extracts do not record the repair, a turbo part number, or a gearbox type.

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

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 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?

This model has no defect-group breakdown in the 2025 extract. It passed 94.7% of 1,832 first MOT tests.

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.

Before you agree to the work

A fault or an advisory is a quote waiting to happen. These pages set out what a garage has to tell you, what a comparable written quote should include, and what you can do if the bill is not what you agreed.

Estimates, quotes and extra work — what a price has to cover, and when a garage may charge more than it first said.
What a diagnostic test costs — what the fee should include, and when it should come off the repair.
Tools — when to buy and when to skip — how to choose a diagnostic tool, and when a garage visit is cheaper than owning one.
Choosing a garage you can check — what to verify before you hand over the keys.
Your rights after a car repair — what to do when the work is not right, and how to put it in writing.

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.