Kia Stonic GT-Line S Isg MHEV
Reliability, estimated running costs, and MOT data across 2 model years from 1,735 MOT tests in 2024.
Avg Pass Rate
99%
Total Tests
1,735
Model Years
2021 to 2022
Years Covered
2
About the Kia Stonic GT-Line S Isg MHEV
The Kia Stonic GT-Line S Isg MHEV was MOT tested 1,735 times in 2024 (DVSA data, retests included) across 2 model years (2021 to 2022), with an average pass rate of 99%. That's comfortably above the average of 82% across all models in our data. Our records list hybrid versions.
Mileage Across Years
The oldest model in our data (2021) averages 20,088 miles, while the newest (2022) averages 21,620 miles.
Compared to the Kia brand average of 86%, the Stonic GT-Line S Isg MHEV performs 13 points better, making it one of the more reliable options in the Kia range.
Estimated Running Costs
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 2022 detailsHow reliable is the Kia Stonic GT-Line S Isg MHEV?
Kia Stonic GT-Line S Isg MHEV by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Kia Stonic GT-Line S Isg MHEV
Is the Kia Stonic GT-Line S Isg MHEV reliable?
Across its 2 model years in our data (2021 to 2022), the Kia Stonic GT-Line S Isg MHEV averages a 99% MOT pass rate, from 1,735 tests (DVSA MOT data for tests in 2024, retests included). That's 17 points above the average of 82% across all models in the same data.
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