Crossword puzzle clue "like some modern concept cars"

Like some modern concept cars

2014 Robin Thicke concept album (if "maybe stalking can win my wife back?" is a concept)

Like many concept cars

Concept in modern feminism that covers things like slut-shaming and victim-blaming

System in some modern-day cars

Some modern cars

Like many modern cars

Race cars and model race cars, for instance?