CarCostCheck

Kia Stonic gt-line s isg mhev s-a

Reliability, running costs, and MOT data across 2 years from 841 real MOT tests.

Avg Pass Rate

97%

Total Tests

841

Best Year

2021 (97%)

Years Covered

2

About the Kia Stonic gt-line s isg mhev s-a

The Kia Stonic gt-line s isg mhev s-a has been tested 841 times in 2026 MOT data across 2 model years (2021 to 2022), with an average pass rate of 97%. That's comfortably above the national average of 82%, making it a reliable choice. Available as hybrid.

Best and Worst Years

The 2021 model is the most reliable with a 97% pass rate from 785 tests. The 2022 model has the lowest at 96%. With just a 1 point spread, the Stonic gt-line s isg mhev s-a is consistently reliable regardless of year.

Mileage Across Years

The oldest model in our data (2021) averages 18,257 miles, while the newest (2022) averages 22,589 miles.

Compared to the Kia brand average of 86%, the Stonic gt-line s isg mhev s-a performs 11 points better, making it one of the more reliable options in the Kia range.

Estimated Running Costs

Fuel (Hybrid, 998cc)
£955
Road Tax
£195
MOT Test
£55
Predicted Repairs
£200
Total per year£1,405
Per month£117/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2022 details

How reliable is the Kia Stonic gt-line s isg mhev s-a?

vs national average+15% (82% avg)
vs Kia brand average+11% (86% avg)
Best to worst year spread1 percentage points

Kia Stonic gt-line s isg mhev s-a by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
202296%5622,589 mi
202197%78518,257 mi

Kia Stonic gt-line s isg mhev s-a Guides & Articles

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