Mpg decrease on 2.7l with 265/75r16

I have a 07 tacoma 4x4 2.7l I recently I stalled bilsteins at .85 I am thinking about installing 265/75r16 tires but didn't know if I would see a big mpg loss and power loss if anybody has done this please post what Mpgs you get and how much you lost from stock mpg and power and what load range are you running pics welcome thanks

 

Ooo I need to know this too for after my trip

 

What size are your stock tires?

 

i run that size in an mt e load rating with a 3 inch lift. 09 reg cab 4x4. i recently got 380 miles on a tank, almost all hwy. on the return trip i only got 340 miles on the tank due to headwinds coming back. in mixed city and hwy 50/50 i get about 320 miles per tank area on average

 

I bought it with 255/70r16 basically same as 245 i get 23 mpg to tank every fill up but don't want to kill it to bad with going a little bigger tire

 

I'm running 265/75 r16 tires on SCS F-5 rims. I have duratracks in the C load range and I'm getting 22mpg after adjusting for the tire size increase. That wheel and tire set up weighs the same as the stock steelies and the 245 grandtreks. A little power loss over the passes (8000+ elevation) but if you drive it like a four banger is meant to be driven it will get up and go.

 

Thanks what did you get stock

 

I had 2010 ac cab 2x4! I leveled and installed 235/75-15 TA KO's! My mileage went from 24 to 18! I only went up two tire sizes! It killed my truck! Power loss was horrible! Couldn't even use my cruise control. Anymore!

 

I went 2.5" up front on bilsteins and wheeler's leaf pack + 265/75/16. I would estimate that I lost a good 2-3 mpg but it took me a long time to realize how many little things influence my fuel economy. I drive the same routes every day for work (used to be 150mi/day) and wind on the way to or from work just one day would kill the mpg that whole tank.

But I don't recall the wind being so much of an issue before modifications.. guess that's more of a lift thing though, making a cinder block on wheels even less aerodynamic. I did run just tires for maybe 2-3 months before lift and I don't recall it being noticeably worse than stock.

If you live close to sea level and drive flat terrain you'll probably enjoy it a lot more than I have. 4cyl + 265/75/16 + lift, at high elevation = generally miserable.

 

I lost a tenth or so on mileage based on doing the diameter correction. No biggie.
LTX-MS2 non-LT load range. 40psi helps too, but ride is a little firm.