I could live with 15. Thats about what my Grand Cherokee gets. I think the wifes Tacoma is getting 12 with 33's and stock gears.dyogim said:4x4, some have experienced up to 17 at best.
4x2 I've read someone getting 21 at best.
If you don't mind checking out tundrasolutions.com, there's a thread about what members have experienced.
My best is about 15-16 when stock, I'm now getting 12-13 at best.