The new Merc E class will trump the Insight with 0.24 Cd.
No wheel covers but advanced computational analyisis on the underfloor airflow.
Look at most new cars, the C pillars or lights have sharp cuts, the Prius Mk3 etc.
You only need to look at trends to realise the opportunities that IMO were missed with the insight.
That said I know MIRA stuck an insight in their wind tunnel where it was measured at 0.24Cd.
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