I have the 255/70's. I kinda like the wider look better. Th 245/75 will fill the wheel well more, it all depends what look you like better I guess. here are a few pics of mine. https://www.jeepcommander.com/forums/...hp?albumid=223
2006 Jeep Commander, 5.7 Hemi, OME 2" HD Lift,Robby spacers,New and improved Jeepin by AL UCA,265/70/17 Fierce Attitude on XD Spy 17x8 with +18 offset,Magnaflow Cat Back,4xGaurd Matrix w/hoop,Mopar Chrome side steps, Chrome door handles,Chrome Fuel door,Chrome Jeep bug deflector,AVS window vents,Home made roof lightbar, 2009 Mygig with lockpick,Backup camera.