Home C7 Corvette News GM Press Release: 2015 Corvette Stingray to Offer Eight-Speed Automatic

GM Press Release: 2015 Corvette Stingray to Offer Eight-Speed Automatic

by Rob LoszewskiRob Loszewski
The new Corvette Z06 features an all-new eight-speed automatic, designed and built by GM, that is more than 8 pounds (4 kg) lighter and five-percent more fuel efficient than the six-speed automatic.

Paddle-shift gearbox rivals dual-clutch performance, enhances efficiency


DETROIT – An eight-speed paddle-shift automatic transmission will be offered in the Chevrolet Corvette Stingray for 2015, enhancing the performance and efficiency of the 2014 North American Car of the Year. Designed and built by GM, the new transmission delivers world-class shift times that rival the best dual-clutch designs.

The all-new, GM-designed 8L90 eight-speed is expected to contribute up to 5-percent greater efficiency, when compared to the previous six-speed automatic. EPA fuel economy test results are pending and will be announced later. It also makes the Corvette Stingray one of the few sports cars to offer the choice of a conventional manual transmission or an eight-speed automatic.

“Corvette Stingray’s new eight-speed automatic delivers the comfort and drivability of a true automatic transmission, as well as lightning-fast shifts and the manual control that enhance the performance-driving experience,”

said Bill Goodrich, assistant chief engineer for eight-speed automatic transmissions. “It was designed to enhance the Stingray’s driving experience, with performance on par with dual-clutch designs, but without sacrificing refinement.”

The available 8L90 transmission is based on the same eight-speed automatic that will be offered on the supercharged 2015 Corvette Z06, but with unique clutch and torque converter specifications matched to the torque capacity of the Stingray’s LT1 6.2L naturally aspirated engine.

Read the Full Release:   2015 Corvette Stingray to Offer Eight-Speed Automatic

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