https://www.youtube.com/watch?v=PZhPlBlc-MQ
He's guessing on the prices, but he seems confident the Z51 wouldn't be an insane jump.
Goal would be a 1LT Z51. If it still allows Android Auto, it bridges that gap. Really would want a 2LT because of the cameras, though.
And the lift doesn't sound like it will come standard. In GM's video they say it's "available".