GT Spirit 1:18 Koenigsegg Agera RS Resin Model- GT931Overview The Agera RS is the definition of a street legal hypercar. As the final evolution of the pioneering Agera line, it combined enormous power, advanced aerodynamics and track ready performance yet remained road legal and usable beyond the racetrack. As a 1: 18 scale resin model, this version channels the cars aggressive proportions and speed car heritage, becoming a collectible that honours one of the fastest production cars ever built.