Kia Stonic maxx
Reliability, running costs, and MOT data across 2 years from 1,192 real MOT tests.
Avg Pass Rate
93%
Total Tests
1,192
Best Year
2019 (93%)
Years Covered
2
How reliable is the Kia Stonic maxx?
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About the Kia Stonic maxx
The Kia Stonic maxx has been tested 1,192 times in 2024 MOT data across 2 model years (2019 to 2020), with an average pass rate of 93%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.
Best and Worst Years
The 2019 model is the most reliable with a 93% pass rate from 417 tests. The 2020 model has the lowest at 92%. With just a 1 point spread, the Stonic maxx is consistently reliable regardless of year.
Mileage Across Years
The oldest model in our data (2019) averages 31,634 miles, while the newest (2020) averages 26,987 miles.
Compared to the Kia brand average of 86%, the Stonic maxx performs 7 points better, making it one of the more reliable options in the Kia range.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.