Its about time! Since its debut in 2007, the turbocharged v4 RDX has been in the market to compete with the Lexus RX and the Ininiti EX, both of which are powered by a v6. Finally though, the RDX is going to sport a v6. Other upgrades include a more slick design, a new 6 speed automatic transmission, a new AWD system and 273 hp 3.5L v6. It's also got a longer wheel base now.
With the new engine upgrades, it has more power and will get better gas mileage than the turbo v4. The gas mileage increased with the use of the VCM, or variable cylinder management system, which can temporarily deactivate 2 or 3 of its cylinders during easy driving conditions.
I used to drive a 2007 model and I always wished they'd release a model with a v6. I'm very excited to get a ride in the 2013 RDX.

if you want to read more and see pictures

what do y'all think?