MOT fail rates
Hyundai i30 MOT fail rate by age
How often the Hyundai i30 fails its MOT at each age, compared with all cars of the same age, and what it fails on. From 422,957 DVSA MOT tests taken 2022 to 2025.
MOT data updated
At 9 years, the most tested age
249 of 315 model groups with enough tests fail less often at 9 years.
What stands out
- At 3 years the Hyundai i30 fails 12.1% of MOTs (9,060 tests), about the same as the 12.1% for all cars that age. At 17 years it fails 48.8% (2,972 tests), 5.7 points above the 43.1% average.
- The gap is widest at 11 years: 7.8 points above all cars.
- Its most common structural or mechanical fail item at 9 years: Steering track rod end: ball joint play, at 6.7 per 100 MOTs.
MOT fail rate by age
Solid line: this model. Dashed line: all cars at the same age.
| Age | MOT fail rate | Tests (n) | All cars | Difference | Median mileage |
|---|---|---|---|---|---|
| 3 years | 12.1% | 9,060 | 12.1% | 0.0 pts | 21,424 miles |
| 4 years | 13.1% | 15,047 | 13.4% | −0.2 pts | 29,240 miles |
| 5 years | 14.7% | 20,116 | 15.3% | −0.6 pts | 37,000 miles |
| 6 years | 18.0% | 28,220 | 17.8% | +0.2 pts | 45,629 miles |
| 7 years | 22.8% | 37,898 | 20.6% | +2.2 pts | 54,343 miles |
| 8 years | 28.1% | 40,311 | 23.8% | +4.3 pts | 62,364 miles |
| 9 years | 33.7% | 44,113 | 27.1% | +6.5 pts | 70,153 miles |
| 10 years | 37.4% | 43,387 | 30.3% | +7.1 pts | 77,560 miles |
| 11 years | 41.0% | 39,161 | 33.3% | +7.8 pts | 82,707 miles |
| 12 years | 43.4% | 39,915 | 36.0% | +7.4 pts | 86,669 miles |
| 13 years | 45.0% | 38,533 | 38.3% | +6.8 pts | 88,693 miles |
| 14 years | 46.3% | 31,347 | 40.3% | +6.0 pts | 91,238 miles |
| 15 years | 46.7% | 21,874 | 41.6% | +5.1 pts | 94,079 miles |
| 16 years | 47.5% | 11,003 | 42.6% | +4.9 pts | 95,698 miles |
| 17 years | 48.8% | 2,972 | 43.1% | +5.7 pts | 106,031 miles |
Most common fail items at 9 years
Split into structural or mechanical items and wear items. Wear items (tyres, brake pads, wipers, bulbs) say more about upkeep than about the design.
Structural and mechanical
| Fail item | Per 100 MOTs |
|---|---|
| Steering track rod end: ball joint play Major | 6.7 |
| Handbrake too weak Major | 6.1 |
| Parking brake performance: inoperative on one side Major | 3.7 |
| Suspension arm bush worn Major | 2.8 |
Out of 44,113 MOTs. A test with two faults counts twice.
Wear and upkeep
| Fail item | Per 100 MOTs |
|---|---|
| Tyre tread below 1.6 mm Dangerous | 4.3 |
| Brake light not working Major | 4.2 |
| Dipped headlight not working Major | 3.6 |
| Brake pads under 1.5 mm Dangerous | 3.2 |
| Wipers not clearing screen Major | 2.6 |
| Individual direction indicators: incorrect colour Major | 1.7 |
Out of 44,113 MOTs. A test with two faults counts twice.
Other models at 9 years
| Model | MOT fail rate | Tests (n) | All cars |
|---|---|---|---|
| Hyundai i10 | 25.1% | 89,007 | 27.1% |
| Hyundai i20 | 25.6% | 52,995 | 27.1% |
| Hyundai ix35 | 29.5% | 36,483 | 27.1% |
MOT fail rate by first-use year
Each year has its own page: the fail rate for cars first used that year at each MOT from 2022 to 2025 with at least 1,000 tests, the most common faults at that age, and the car tax and ULEZ rules for that year.
First-use year data updated .
| First used | Age at test | MOT fail rate | Tests (n) | All cars |
|---|---|---|---|---|
| 2008 | 17 years in 2025 | 48.6% | 2,133 | 43.1% |
| 2009 | 16 years in 2025 | 46.9% | 7,587 | 42.6% |
| 2010 | 15 years in 2025 | 47.1% | 9,336 | 41.6% |
| 2011 | 14 years in 2025 | 46.8% | 8,412 | 40.3% |
| 2012 | 13 years in 2025 | 44.8% | 8,449 | 38.3% |
| 2013 | 12 years in 2025 | 42.1% | 10,187 | 36.0% |
| 2014 | 11 years in 2025 | 37.6% | 9,703 | 33.3% |
| 2015 | 10 years in 2025 | 32.3% | 13,516 | 30.3% |
| 2016 | 9 years in 2025 | 31.0% | 9,461 | 27.1% |
| 2017 | 8 years in 2025 | 19.9% | 6,737 | 23.8% |
| 2018 | 7 years in 2025 | 17.0% | 7,374 | 20.6% |
| 2019 | 6 years in 2025 | 13.5% | 4,171 | 17.8% |
| 2020 | 5 years in 2025 | 13.1% | 1,585 | 15.3% |
| 2021 | 4 years in 2025 | 13.2% | 1,807 | 13.4% |
More on the Hyundai i30
Looking at one Hyundai i30?
These are figures for the model, not for one car. The VetTheCar Buying Report looks at a single car: its MOT tests, defects, advisories and mileage readings.
Source
Contains public sector information licensed under the Open Government Licence v3.0. Source: DVSA anonymised MOT test data, class 4 normal MOT tests, 2022 to 2025. MOT data updated 22 September 2026.
Not affiliated with or endorsed by DVSA. How we calculate these figures · Data sources