It depends on what type of tyre you buy, ie- ranging from soft to hard compound. Soft will give a better grip and vice versa, but even at that you must drive like a demon and hold to the "JESUS" handles when cornering or be driving non-stopto go through them in 3 months. It is not recommended that you over inflate tyres as this results in less surface contact with the road giving less grip, greater braking distance, more uncomfortable ride etc. The list is almost endless as to why tyres need to be at the correct pressure.Bob Hinton said:The Sedona is just terrible for scrubbing front tyres. I bet only the outsides were scrubbed with the middle being practically untouched. I use light commercial tyres with 44 psi. If you use the recommended pressure of 36 psi they won't last 3 months