Do spoilers on commuter cars actually make any significant difference?

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I understand the aerodynamic principles that make spoilers important for performance cars (at least in broad strokes), but I have always wondered if they actually make a big difference in cars that are not so performance oriented, especially fwd commuter cars. I know that aero is less effective at slow speeds, so I would also like to know at what speeds spoilers really give an advantage?
Thanks in advance for sharing your knowledge!

In: Engineering

7 Answers

Anonymous 0 Comments

Much higher speed than standard commuter cars. Honestly, mostly I suspect they actually worsen performance at lower speed by adding weight and drag.

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