Money GM debuts 2020 Corvette Stingray convertible: First-ever hardtop ‘Vette October 3, 2019October 3, 2019 Mark Phelan, Detroit Free Press Comments Off on GM debuts 2020 Corvette Stingray convertible: First-ever hardtop ‘Vette GM's radically new 2020 Chevrolet Corvette Stingray convertible will start at $66,400 and share design element with classic racers.