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Question 1853

Does load distribution significantly affect fuel consumption?

  1. Yes, which is why using a roof rack is highly recommended.
  2. No, it does not affect fuel consumption.
  3. Yes, so a roof rack should be used only as a last resort.
Show answer and explanation

Correct answer: Yes, so a roof rack should be used only as a last resort.

Carrying a load on the roof rack increases air resistance and may increase fuel consumption. It is therefore advisable to use it only when necessary.

DGT, Manual II: Cuestiones de seguridad vial, edición 2026