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Excluding the regulatory exception for certain historic vehicles, which of these vehicles must have at least 1.6 mm tread depth in its tyres’ principal grooves?

Correct answer

An M1 car with up to eight passenger seats plus the driver.

An M1 passenger car, with up to eight passenger seats in addition to the driver’s seat. Annex VII.2 requires 1.6 mm for categories M1, N1, O1 and O2. For M2, M3, N2, N3, O3 and O4 the current minimum is 1.0 mm: do not assign them the 1.6 mm minimum. There is a limited exception for certain historic vehicles, excluded here. Tyres must also remain in good condition; the legal minimum does not guarantee adequate grip in every circumstance.

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  • An N2 or N3 goods vehicle exceeding 3,500 kg maximum authorised mass.

  • An M1 car with up to eight passenger seats plus the driver.

  • An O3 or O4 trailer exceeding 3,500 kg maximum authorised mass.

The real exam in English is a translation of the Spanish original; compare both here.

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Excluyendo la excepción reglamentaria de ciertos vehículos históricos, ¿cuál de estos vehículos debe tener al menos 1,6 mm de profundidad en las ranuras principales de sus neumáticos?

  1. Un vehículo de mercancías N2 o N3 de MMA superior a 3.500 kg.
  2. Un turismo M1 con hasta ocho plazas de pasajeros, además del conductor.(Correct answer)
  3. Un remolque O3 u O4 de MMA superior a 3.500 kg.

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