Used Infiniti G35

how, on average, a used Infiniti G35
not too old. About models 2003-2007?

2003 Coupe is about 23,000, about 18,000 Sedan
Couped 2007 to about 28,000, about 25,000 Sedan

Go to www.autotrader.com

25g and up .... try searching on Craigslist.org

Depends on any supplement, mileage, how it is rough, etc..

Try this site. This is the website of Kelley Blue Book. You can set all the features and mileage. The website will give you approximately how much it is worth.

http://www.kbb.com/

Go to eastbayautobrokers.com!