Re: 09 limited hemi 5.7L vs 08 laredo 4.7L
mpg is about the same, so just get the Hemi. Probably cheaper too after you've spent all the extra money and labor on cams, tuner, etc. for the 4.7 just to keep up.
2006 GC Overland QD II
5.7 Hemi, Modern Muscle 85 mm CNC ported TB, Apexi super voltage stabilizer, Billet Tech. Catch Can, Koni FSD shocks/struts, SRT8 sway bars, Cooper AT3's, Amsoil fluids, Diablosport Intune CMR tuned by Hemifever tuning.