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Question 3476

A vehicle may consume more fuel...

  1. When the tire inflation pressure is equal to the pressure specified by the manufacturer.
  2. When the load is placed inside the vehicle rather than on its roof rack.
  3. When the tire inflation pressure is lower than the pressure specified by the manufacturer.
Show answer and explanation

Correct answer: When the tire inflation pressure is lower than the pressure specified by the manufacturer.

Driving with tire pressure below the manufacturer's recommendation increases fuel consumption. That is why it is important to maintain the specified pressure.

DGT Manual II. Cuestiones de Seguridad Vial, 2026 · Manual II — Cuestiones de Seguridad Vial, 2026