Well, I do remember the Renault R5 e-tech concept car: https://images.carexpert.com.au/resize/1920/-/cms/v1/media/2021-09-renault-5-3.jpg

and here is the R5 production vehicle: https://cdn.motor1.com/images/mgl/BXN7nm/s1/renault-5-e-tech-electric.jpg

Concept cars can be outlandish, or they can be damn close to what is being delivered in the end.