Skip to main content

Hyundai IONIQ - 2021

63.2 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Hyundai IONIQ, model year 2021. Sample size: 9,122 cars, 21,415 tests and 13,536 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 9,122 cars

The 2021 Hyundai Ioniq has a defect rate of 63 per 100 vehicles, significantly lower than the yearly average of 79 per 100, indicating a 19.6% improvement. This model shows particularly strong performance in several categories, including brakes and body structure, where it records defects at rates much lower than the average. Notably, mileage does not appear to significantly affect defect rates in this model, with consistent figures across various mileage brackets. Overall, the Ioniq stands out positively compared to its peers in reliability and maintenance needs.

Cars by mileage segment

Total: 9,122 cars

More model years for Hyundai IONIQ

2016 2017 2018 2019 2020 2021 2022

Other models from Hyundai

Hyundai ACCENT Hyundai AMICA Hyundai BAYON Hyundai COUPE Hyundai GETZ Hyundai I10 Hyundai I20 Hyundai I30 Hyundai I40 Hyundai I800 Hyundai ILOAD Hyundai IONIQ Hyundai IONIQ 5 Hyundai IX20 Hyundai IX35 Hyundai KONA Hyundai MATRIX Hyundai SANTA FE Hyundai TERRACAN Hyundai TUCSON Hyundai VELOSTER

Categories

Brakes
▲ 56.0% better
17.6 faults / 100 tests
Year avg: 40.0 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
Steering
▲ 42.9% better
0.4 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▼ 18.6% worse
17.2 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Wiper blade: missing or obviously not clearing the windscreen
  • Wiper blade: defective
  • Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 0.9% better
11.1 faults / 100 tests
Year avg: 11.2 / 100 tests
  • The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 10.7% better
78.0 faults / 100 tests
Year avg: 87.3 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 71.4% better
0.6 faults / 100 tests
Year avg: 2.1 / 100 tests
Equipment
▲ 53.3% better
0.7 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 74.1% better
0.7 faults / 100 tests
Year avg: 2.7 / 100 tests

Fault rate by mileage segment

Model    Year average
0 268 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 4,135
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,635
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 923
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 532
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 476
Wiper blade: defective
MINOR
Occurrences: 451
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 439
Wiper blade: missing or obviously not clearing the windscreen
PRS
Occurrences: 425
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 338
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 271

Serious faults (Top 10)

Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 532
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 439
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 271
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 239
Headlamp levelling device inoperative
FAIL
Occurrences: 183
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 145
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 122
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 85
Service brake efficiency: below minimum requirement
FAIL
Occurrences: 60
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 41