Details on GM’s new efficient top-end 8-speed automatic
Green Car Congress
AUGUST 21, 2014
2015 Hydra-Matic 8L90 (M5U) Eight Speed RWD Automatic Transaxle Click to enlarge. GM is offering a version of its new GM-developed Hydra-Matic 8L90 paddle-shift eight-speed automatic transmission in the 2015 Corvette Stingray ( earlier post ) and Z06. EcoTec3 V-8 (L86) ( earlier post ), and on the Cadillac Escalade and Escalade ESV.
Let's personalize your content