I haven’t checked sales figures myself, but I live in LA and have maybe seen 2 or 3 CX-90s total. Autotrader has over a 100 CX-90s in stock with 25 miles of me.
I see a ton of CX-5s and CX-30s.
Maybe other parts of the country are different, but my own impression is that, at least in LA (I don’t know where OP is based in S. California), CX-90s are not very common.
Depends on whether the same buy rate MF, RV, and rebates apply. Posting a link to your calculator, as @sharksfan15 suggested, would be helpful
I also forgot that not all proposed deals will make it to Signed!
Here is some more recent data: