Kia Stonic GT-Line Isg MHEV
Reliability, estimated running costs, and MOT data across 2 model years from 1,744 MOT tests in 2024.
Avg Pass Rate
97%
Total Tests
1,744
Model Years
2021 to 2022
Years Covered
2
About the Kia Stonic GT-Line Isg MHEV
The Kia Stonic GT-Line Isg MHEV was MOT tested 1,744 times in 2024 (DVSA data, retests included) across 2 model years (2021 to 2022), with an average pass rate of 97%. 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 21,854 miles, while the newest (2022) averages 25,448 miles.
Compared to the Kia brand average of 86%, the Stonic GT-Line Isg MHEV performs 11 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 Isg MHEV?
Kia Stonic GT-Line 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 Isg MHEV
Is the Kia Stonic GT-Line Isg MHEV reliable?
Across its 2 model years in our data (2021 to 2022), the Kia Stonic GT-Line Isg MHEV averages a 97% MOT pass rate, from 1,744 tests (DVSA MOT data for tests in 2024, retests included). That's 15 points above the average of 82% across all models in the same data.
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