MB E Class Loaners (they’re pretty picked through from what I’ve heard, so good luck on finding one): $342 Mercedes-Benz E300 4matic loaner
BMWs aren’t the leasing gem that they once were, but with $3,000 in holiday cash, you should still be able to get a decent deal on a 3 series. Target a 2017 model as dealerships will likely be more willing to deal. BMW should let you also stack fleet or USAA and recent grad or military if you qualify.
Probably not going to make the ladies swoon, but the Volvo S90 deals are insane and I think it’s a great car: 2018 Volvo S90 T6 AWD MOM
Maybe an Alfa Giulia - not sure if those leases have gotten any stronger or not: 2017 Alfa Giulia
Edit: there have been some good prices on Jag sedans lately too: JAGUAR XE 35T lease deal
Good luck and make sure to post back with whatever you end up getting.