CHRIS BROWN DROPPED $200K ON CAR FOR KARRUECHE TRAN

Karrueche Tran twitpic this...for Riri maybe

Chris Brown just dropped a smooth $200k on girlfriend Karrueche Tran's new ride, a 2012 Panamera Turbo Porsche S sedan....

In the car with Tran

And just in case Rihanna or anybody else missed it, Karrueche posted her hot new whip on Twitter and Instagram.