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Hyundai Ioniq

Reliability, running costs, and MOT data across 7 years from 75,081 real MOT tests.

Avg Pass Rate

91%

Total Tests

75,081

Best Year

2022 (96%)

Years Covered

7

How reliable is the Hyundai Ioniq?

vs national average+9% (82% avg)
vs Hyundai brand average+8% (83% avg)
Best to worst year spread9 percentage points
Reliability trendImproving over years

Hyundai Ioniq by Year

YearPass RateTestsAvg Mileage
202296%1,14233,523 mi
202191%22,23935,101 mi
202093%14,34641,368 mi
201992%13,99059,407 mi
201890%13,63276,532 mi
201789%8,99384,563 mi
201687%73983,741 mi

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About the Hyundai Ioniq

The Hyundai Ioniq has been tested 75,081 times in 2024 MOT data across 7 model years (2016 to 2022), with an average pass rate of 91%. That's comfortably above the national average of 82%, making it a reliable choice. Available as hybrid and petrol and electric.

Best and Worst Years

The 2022 model is the most reliable with a 96% pass rate from 1,142 tests. The 2016 model has the lowest at 87%. The 9 point spread between years means reliability varies somewhat, but no year is dramatically different.

Reliability Trend

Newer HYUNDAI IONIQs show better MOT pass rates than older ones, with an average improvement of 4 percentage points.

Mileage Across Years

The oldest model in our data (2016) averages 83,741 miles, while the newest (2022) averages 33,523 miles.

Compared to the Hyundai brand average of 83%, the Ioniq performs 8 points better, making it one of the more reliable options in the Hyundai range.

Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.