gladiator 35x11.5x17

FOR SALE: Nitto Ridge Grapplers (35/11.5/r17) 4 Tires Hello, The 4 tires shown below have 800 miles of use. The 1 spare tire not shown is brand new. Excellent tires, low road noise. These tires will fit the stock Gladiator wheel. Location: Northeast Ohio Willing to meet for delivery. Asking...

First off no I didn't buy the Gladiator as a fuel efficient vehicle. But MPG is a legitimate concern with ever rising gas prices. Every MPG helps. So I see the Toyo AT3s in 35x11.5x17 are a pretty popular size on the Gladiator. Just wondering how much of a hit you took, if any, on your gasser...