probably not much of a difference between now and october if you're set on a mojave.
for all other trim levels, right now is a really good time to shop around since incentives are good (southwest bonus cash went from $1000 to $1500 between june and july + employee pricing) and 2021 release is...
also houston for almost that exact same build, and i've had little to no luck getting them below 36k. now i'm wondering about waiting for selec-trac on 2021s or being able to using the impending release to get a better price (2021 sheet was not released when i last spoke to a dealer).