Estimated weight for the ZL1 ranges from an optimistic 3900 lbs to a conservative 4200. Also, GM claims the power to be at least 550 hp, but speculation says that it could be 580 or more.
Note, if I've gotten any facts wrong in the above, just ignore any points I made with them
don't believe a thing you read about the next gen Camaro -- as history has proven time and time again:
WE DO NOT TALK ABOUT FUTURE PRODUCT PLANS PERIOD FbodFather
Camaro5 Fest sub-forum