Tire Size??? Duratracs vs BFG AT KO2

JLRSR5

New member
Looking at new tires and I really like Duratracs, and was considering getting 275/70/17 to help save some on gas instead of going up to 285/70/17, but goodyear doesn't make Duratracs in 275/70/17 size. So instead I was checking out the BFG AT ko2's in 275/70/17 but I noticed something about the weight.

According to tire rack BFG AT ko2's load E in 275/70/17 weigh: 55lbs.
And the Goodyear Duratracs load D in 285/70/17 weigh: 54lbs.

So my question is, will the smaller 275 ko2's really save me any on gas since they are slightly heavier than the 285 Duratracs? Thanks for everyone's input.
 
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There are alot of variables involved here. The mass is slightly more but the moment of inertia is slightly less. Also the slight impact on you revs at a given speed. If it were me I would just get the larger tire and call it a day. We are probably talking about 0.25-0.5 mpg difference between the two tires, one way or the other.
 
I was sort of thinking the same it'll be so small of a difference it's prob negligible, so might as well go bigger bc it looks better! :biggrin2:
 
They might save a tiny amount, but you would have to suffer load range E tires to do it. Not worth in IMO.

I love how people talk about "suffering" when you have load range E tires. lol It's not like you're going from rolls of charmin to solid rubber when you go from D to E. I have E rated ST Maxx tires and they ride just fine.

If you're that worried about a rough ride, then you're in the wrong vehicle.
 
I have the Cooper ATP's in 285 E-load for about a year now. Awesome A/T tires in wet, snow, dirt and gravel. Not that loud either. Never tried mud or rock crawling though. I will move to the ST Maxx for my next tires.
 
I have not considered those, but I will look into them, I've never had coopers, but have heard positive things about them.

I've never had coopers either but I have read good things about the ST Maxx and I think that will be my next tire. I also wanted the Duratracs but when I found out I couldn't get them in 275/70/17, I started looking around.
 

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