Correct answer
Yes, because without the roof rack I save fuel.
The vehicle's roof rack, whether empty or loaded, will increase its fuel consumption by between 2% and 35%. Therefore, if it is not going to be used, it is advisable to remove it until the next time we need it. The same applies to ski racks and bicycle racks, since all these items worsen the vehicle's aerodynamics and therefore consume more fuel.
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It makes no difference, because the roof rack does not affect consumption.
Yes, because without the roof rack I save fuel.
No, because the roof rack increases the vehicle's stability.
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