'15 Chevy Corvette Hydra-Matic 8L90 and PDR

The '15 Chevy Corvette Stingray's single-clutch rear-wheel-drive Hydra-Matic 8L90 transmission rivals the performance of dual-clutch units favored by German performance automakers, GM says. (See related story GM Says Corvette’s New Single-Clutch Gearbox Rivals DCT.)