Does the Toyota C-HR fail the MOT on noise, emissions and leaks more than it should?

The Toyota C-HR records 0.04 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 0.73 expected for a car of the same age mix: less than expected for its class and age (−0.69, 95% interval −0.73 to −0.66). It ranks 400 of 678 models on noise, emissions and leaks (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on noise, emissions and leaks · check a Toyota C-HR by registration

What exactly fails on noise, emissions and leaks?

The most frequent DVSA defect wording in this group on the Toyota C-HR is “Engine MIL illuminated indicating a malfunction”, recorded 66 times in 2019–2024.

Toyota C-HR: most frequent noise, emissions and leaks defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
Engine MIL illuminated indicating a malfunction	66	0.03

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 260,868 (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

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Does the Toyota C-HR fail the MOT on noise, emissions and leaks more than it should?

What exactly fails on noise, emissions and leaks?

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