Does the Hyundai i40 fail the MOT on body, chassis and structure more than it should?

The Hyundai i40 records 1.04 body, chassis and structure failure items per 100 initial MOT tests (2019–2024), against 2.15 expected for a car of the same age mix: less than expected for its class and age (−1.11, 95% interval −1.19 to −1.03). It ranks 400 of 663 models on body, chassis and structure (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on body, chassis and structure · check a Hyundai i40 by registration

What exactly fails on body, chassis and structure?

The most frequent DVSA defect wording in this group on the Hyundai i40 is “A transmission shaft constant velocity joint boot severely deteriorated”, recorded 533 times in 2019–2024.

Hyundai i40: most frequent body, chassis and structure defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
A transmission shaft constant velocity joint boot severely deteriorated	533	0.40
A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc	215	0.16
A door will not open using the relevant control or close properly	179	0.13
Fuel system leaking, or missing or ineffective filler cap	84	0.06
Bumper insecure or with damage likely to cause injury when grazed or contacted	72	0.05

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 133,835 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

Does the Hyundai i40 fail the MOT on body, chassis and structure more than it should?

What exactly fails on body, chassis and structure?

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