2017 Lexus GS350 Fsport - Good or bad deal - GA

No to $799/mo for a 5-series

This thread has links to 2 BMWs, a 540 (new body) and a 2016 535 (old body) which is basically half of what you are getting $419/mo including tax

and it may get better if you are not in a hurry for the BMWs