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
About the Hyundai Ioniq
The Hyundai Ioniq has been tested 75,081 times in 2026 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.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2022 detailsHow reliable is the Hyundai Ioniq?
Hyundai Ioniq by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Hyundai Ioniq Guides & Articles
Cheapest Cars to Tax in the UK (2026): Complete Guide
10 min read
Running CostsCheapest Cars to Run in 2026: Real Data from 19.8 Million MOT Tests
9 min read
Reliability20 Most Reliable Used Cars UK 2026: Real MOT Pass Rate Rankings
10 min read
Buying GuideFord Fiesta Common Problems (2026): What to Check Before Buying
13 min read
ReliabilityFord Puma Problems: 7 Issues Owners Report (2026)
13 min read
Checking a specific Hyundai Ioniq?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.