Is the Kia Stonic maxx s-a reliable?

The Kia Stonic maxx s-a has an average MOT pass rate of 90% across 2 years, based on 471 tests in 2024. That's 8 points above the national average of 82%. The most reliable year is 2019 with a 90% pass rate.

Which year Kia Stonic maxx s-a is best?

The 2019 Kia Stonic maxx s-a has the highest MOT pass rate at 90%, while the 2020 model has the lowest at 89%. There's a 1 percentage point spread between the best and worst years.

Kia Stonic maxx s-a Running Costs, MOT Pass Rates & Reliability

Kia Stonic maxx s-a

Reliability, running costs, and MOT data across 2 years from 471 real MOT tests.

Avg Pass Rate

90%

Total Tests

471

Best Year

2019 (90%)

Years Covered

How reliable is the Kia Stonic maxx s-a?

vs national average+8% (82% avg)

vs Kia brand average+4% (86% avg)

Best to worst year spread1 percentage points

Kia Stonic maxx s-a by Year

Year	Pass Rate	Tests	Avg Mileage
2020	89%	348	22,927 mi
2019	90%	123	27,856 mi

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About the Kia Stonic maxx s-a

The Kia Stonic maxx s-a has been tested 471 times in 2024 MOT data across 2 model years (2019 to 2020), with an average pass rate of 90%. 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 90% pass rate from 123 tests. The 2020 model has the lowest at 89%. With just a 1 point spread, the Stonic maxx s-a is consistently reliable regardless of year.

Mileage Across Years

The oldest model in our data (2019) averages 27,856 miles, while the newest (2020) averages 22,927 miles.

Compared to the Kia brand average of 86%, the Stonic maxx s-a performs 4 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.