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I agree with you guys, but I'm puzzled as to why that Lexus used dimples on the LS430 underbelly.
They aired a commercial bragging about how the dimples work to smooth airflow.
I just assumed that the dimples were done as a Lexus P.R. stunt, with no real benefit.
However, one day I took a peek underneath a newer model VW Passat / Jetta ( ? ) and was surprised to see that a large portion of its underbelly was dimpled. ( each dimple measuring around 2" diameter )
Why would VW go through the trouble of having the dimples there if no one ever saw them except the mechanics ?
VW does a lot of aero work on their cars. ( which is odd because for years their cars were so boxy )
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