For the complete review of Acura's 2014 RDX crossover visit AutoGuide.comThe RDX is Acura’s compact crossover, slotting in below the ever-popular MDX in the luxury brand’s lineup. It competes with vehicles like the Infiniti EX37, Audi Q5, BMW X3 and even the Lexus RX. All told it’s a versatile little utility with some impressive features and amenities. But that’s not all! Today’s model is a huge step up, delivering far more than the previous generation ever could.