Hyundai I40 - 2018
113.4 faults per 100 tests
Year average for all cars of 2018 is 123.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Hyundai I40, model year 2018.
Sample size: 1,129 cars, 2,558 tests and 2,900 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 1,129 cars
The 2018 Hyundai i40 has an overall defect rate of 113 per 100 vehicles, which is 5.5% lower than the average for its year. Notably, the model performs better than average in categories such as steering, visibility, and equipment, with defect rates significantly lower than the yearly averages. However, it shows a higher incidence of defects in the "other" category, with a rate of 12 compared to the average of 7. As mileage increases, the defect rate for the Hyundai i40 tends to rise, particularly in the higher mileage brackets, although it remains more reliable overall compared to similar vehicles.
Cars by mileage segment
Total: 1,129 cars
More model years for Hyundai I40
Other models from Hyundai
Categories
Brakes
▼ 2.3% worse
70.4 faults / 100 tests
Year avg: 68.8 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
Steering
▲ 40.0% better
3.0 faults / 100 tests
Year avg: 5.0 / 100 tests
Visibility
▲ 23.7% better
10.6 faults / 100 tests
Year avg: 13.9 / 100 tests
Lights & Electrics
▼ 11.4% worse
19.6 faults / 100 tests
Year avg: 17.6 / 100 tests
Wheels & Suspension
▲ 16.2% better
106.2 faults / 100 tests
Year avg: 126.7 / 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
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 17.6% better
4.2 faults / 100 tests
Year avg: 5.1 / 100 tests
Equipment
▲ 45.5% better
1.2 faults / 100 tests
Year avg: 2.2 / 100 tests
Other
▼ 65.7% worse
11.6 faults / 100 tests
Year avg: 7.0 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 661
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 364
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 296
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 230
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 99
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 78
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 74
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 63
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 61
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 47
Serious faults (Top 10)
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 78
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 61
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 46
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 33
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 31
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 21
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 21
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 20
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 16
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 16