Does the Kia Stonic fail the MOT on noise, emissions and leaks more than it should?
The Kia Stonic records 0.39 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 0.67 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) (−0.28, 95% interval −0.34 to −0.22). It ranks 318 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 Kia Stonic by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Kia Stonic is “Engine MIL illuminated indicating a malfunction”, recorded 184 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 184 | 0.25 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 37 | 0.05 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 72,229 (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
Other pages for this model
Kia Stonic 2017 · Kia Stonic 2018 · Kia Stonic 2019 · Kia Stonic 2020 · Kia Stonic in Finland · Kia Stonic in the Netherlands · Kia Stonic by postcode area · Kia Stonic body, chassis and structure failures · Kia Stonic brakes failures · Kia Stonic vehicle identification failures · Kia Stonic lamps, reflectors and electrics failures · Kia Stonic road wheels failures · Kia Stonic seat belts and airbags failures · Kia Stonic steering failures · Kia Stonic suspension failures · Kia Stonic tyres failures · Kia Stonic visibility failures