Was wondering if it's worth the $850 from the standard speakers.

unless you are willing to do the install yourself you may as well get it if you don't want the basic sound system.

$850 worth of aftermarket is a lot of options, but if you are going to have to pay someone else to install it then it's probably not worth going aftermarket with that budget.

Had anyone actually heard the difference between the two? Is it unnoticeable or is it like night and day?

ofc its noticeable and it helps with the cars resale value as well.

it's more than just different speakers if thats what you think.

Got it. Thanks.