Does the Toyota GT86 fail the MOT on noise, emissions and leaks more than it should?

The Toyota GT86 records 2.36 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 1.93 expected for a car of the same age mix: about as expected for its class and age (the difference is within its interval or under 0.5 items per 100 tests) (+0.43, 95% interval +0.28 to +0.59). It ranks 192 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 GT86 by registration

What exactly fails on noise, emissions and leaks?

The most frequent DVSA defect wording in this group on the Toyota GT86 is “Lambda coefficient outside the default limits or the range specified by the manufacturer”, recorded 297 times in 2019–2024.

Toyota GT86: most frequent noise, emissions and leaks defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
Lambda coefficient outside the default limits or the range specified by the manufacturer	297	0.79
Emissions levels exceed default limits	226	0.60
Emissions levels exceed the manufacturer's specified limits	145	0.39
Engine MIL illuminated indicating a malfunction	53	0.14
Emissions test unable to be completed	48	0.13

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 37,510 (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 Toyota GT86 fail the MOT on noise, emissions and leaks more than it should?

What exactly fails on noise, emissions and leaks?

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