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noise_db_a · Emissions & fuel economy

Drive-by noise level, dB(A), from Euro-standard pass-by noise test (UN ECE R51.03). Present for every UK type-approved vehicle. Universal — no powertrain gating. Source: uk-vca (OGL v3.0).

type
numeric
applies to
all variants
filled
5%
sources
4

Meaning

Drive-by noise level, dB(A), from Euro-standard pass-by noise test (UN ECE R51.03). Present for every UK type-approved vehicle. Universal — no powertrain gating. Source: uk-vca (OGL v3.0).

Unit: dB(A)

Export shape

apex fieldjson
{
  "noise_db_a": 123,
  "_provenance": {
    "noise_db_a": {
      "source": "manual",
      "source_record_url": "https://apex-db.org/docs/sources#manual",
      "effective": true
    }
  }
}

Provenance

Apex stores source-qualified provenance for exported values. Buyer snapshots and API responses include the upstream source record where redistribution rights allow it, so a downstream model can cite the original regulator or manufacturer feed.

Field-level fill rates are measured across the current variant snapshot. Sparse fields are still documented because they can be important for regulatory, EV, safety, or emissions workflows.

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