Chevrolet Corvette C7 Grand Sport 2017 1:18 scale AUTOart Composite Model Car This Chevrolet Corvette C7 Grand Sport (2017) composite model car is red & features working steering, suspension, wheels & opening bonnet with engine, boot, doors. It is made by AUTOart & is 1:18 scale (approx. 24cm / 9.4in long).