Is Infiniti FX35 or FX50 any good ? Will Infiniti break down easily?

[Philip]

I am considering to buy the Infiniti FX35 or FX50, just want to see any pros and cons. Also the FX50 comes with 21" wheel, is there any benefit to have bigger wheel? Will it run faster, help turning or save gas?

[2005g35guy]

ok the fx35 fx45 and fx50 are alll difrent i dont know much about the fx50 but ht fx35 and 45 are almost the save but the 35 has a v6 and the 45 has v8 the bigger wheels look good but on the fx ( ive had one ) i would goo with the smaller 19' because the ride is about 10 times softer and you feel like you own the road if you want to save gas get fx35 the v8 is faster and i know for a fact the fx35 will do 145mph easy