The Cayenne is more an inherent mom's car, the Macan is thoroughly sportier and more enthusiast driven.
The X4 is just hideous and tasteless looking, but a beefed up N55 is drool worthy. Between Porsche and BMW, they're at the to of the engine game by far, and BMW's Inline 6 Turbo is a masterpiece.
Ordered: 2015 Porsche Macan S SportDesign / White on Black (Alcantara/Leather), PDK, 20" RS Spyder Design Wheels w/ Colored Crests & Summer Tires, High-Gloss Black Window Trim, Premium Package, Air Suspension w/ PASM Comfort Lighting, HD Radio.
Current: '13 F10 BMW 535i M Sport / Black/Black, Premium, Sport Auto, etc.
Previous M-B's: '11/'10/'06 E350 "Sport", '02 S500 w/ Every Option.