Does the Lexus CT fail the MOT on noise, emissions and leaks more than it should?

The Lexus CT records 0.18 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 2.04 expected for a car of the same age mix: less than expected for its class and age (−1.86, 95% interval −1.93 to −1.80). It ranks 534 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 Lexus CT by registration

What exactly fails on noise, emissions and leaks?

The most frequent DVSA defect wording in this group on the Lexus CT is “Engine MIL illuminated indicating a malfunction”, recorded 259 times in 2019–2024.

Lexus CT: 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	259	0.15

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 168,245 (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 Lexus CT fail the MOT on noise, emissions and leaks more than it should?

What exactly fails on noise, emissions and leaks?

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