I may be crazy but my fathers 2006 4.8is did not feel all powerfull. I drove it from Pawleys Island SC to Williamsburg VA and tested it every way I could. My 2001 4.4i feels mutch the same. His is newer and nicer to look at but not for 74,000. I think my X (Paid for) handled as well his. His 4.8 rides a little smother. I can feel every bumb in mine. The differences are very small but the price is big. Love my 01!