255 or 275 help me decide
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ECUDrummer
New member
295.
Just send it and go it for the gram.
Just send it and go it for the gram.
mwray8909
New member
ayeyothisiskyle
Member
255s will save on gas theoretically, check out the thread on 255s.
Also if its DD, why not just stock sizes? Thats what I did. Unless you want a bit more height.
Jetboy
New member
Stock size tires will have a lot lower rolling resistance - the other sizes are probably going to be E rated tires.
If you're buying new wheels - maybe you should go for 18's and use 265 70 18 tires for more height. I went to 20's for daily use - 275 60 20 are 33.1" tall, light weight, and low rolling resistance. I get around 17.5-18mpg unadjusted for tire height in mixed driving. It's not far off of stock. For offroad use I have some 285's on the OEM wheels. They get worse mileage...
If I wanted BFG AT's - I would buy the 34 10.5 17's. They're 33.5 tall, so just a bit taller than the 255's, but available in a lighter casing. The downside is that they are super expensive compared to others. For example I have Cooper HT plus 20's and they're about $125 per tire. The 34" BFG's are something like $300+ per tire.
If you're buying new wheels - maybe you should go for 18's and use 265 70 18 tires for more height. I went to 20's for daily use - 275 60 20 are 33.1" tall, light weight, and low rolling resistance. I get around 17.5-18mpg unadjusted for tire height in mixed driving. It's not far off of stock. For offroad use I have some 285's on the OEM wheels. They get worse mileage...
If I wanted BFG AT's - I would buy the 34 10.5 17's. They're 33.5 tall, so just a bit taller than the 255's, but available in a lighter casing. The downside is that they are super expensive compared to others. For example I have Cooper HT plus 20's and they're about $125 per tire. The 34" BFG's are something like $300+ per tire.
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Nightglow
New member
I went with the Duratrac's 255/75/17's and very happy. I Overland on trails in Colorado ranging from dirt to 4+ trails and they grip well with little to no slippage. They are a true 32" tire and weigh the same as the stock Dunlops, just a hair thinner, so the mpg actually increased on the highway to 21+ until I added bumper/lift but still average 19 - 19.5 mpg as a daily driver with the extra weight. Just my 2-cents...
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LJ75 Driver
New member
255/80 or 255/75 are the ideal tire for the T4R in my opinion. Especially if you're daily driving. Plus, these trucks aren't that heavy unless you've modded completely out, but even then it's no worse than a 1/2 ton truck, so to me there's no reason for the 285. The 255's help with clearance especially if you're going to new rims.
I just put 255 STMaxx on my wife's trd offroad, no rub with no lift. Can't wait for my dobinson long travel 3" and the black ray10's
I just put 255 STMaxx on my wife's trd offroad, no rub with no lift. Can't wait for my dobinson long travel 3" and the black ray10's
Serious considering this route next time. the 34s are listed at 33.5" tall, which means they are around 32.5" tall when mounted. Plus someone on here has mentioned they don't rub due to their narrow width and they are LIGHTER than the E-rated 255/275/285s (according to BFG).
The (maybe) good thing about the duratrac 255/75s is that they are p-rated. So they should be about the same weight as the stock tires, give you about stock mileage and do better offroad. Win all around, as long as the sidewalls hold up.
Might be some misconception here. an e-rated 255/80 probably isn't going to save you gas mileage. The coopers weigh the same if not more than the comparable e-rated 275/70 BFGs.
If you go with a C or p-rated 255/75, then yes, I agree. I run the c-rated Coopers mainly for the gas mileage.
gerfunken
New member
I'm actually looking down the 255/80 road as well... did a little bit of research as to what's out there, but don't consider this all inclusive...
Interco Tire
M16-45 runs a 33x10.5R17LT 33.5” diameter, 10.9” cross section, 7-9” wheel width.
Cooper Tire
Discoverer S/T MAXX LT255/80R17 32.8” diameter, 10.2” cross section, 6.5-8.5” wheel width. (58lbs.)
Mastercraft Tire (Cooper)
Courser CXT 255/80R17 33.15” diameter, 10.4” cross section, 6.5-8.5” wheel width. (56lbs.)
Toyo Tire
Open Country R/T LT255/80R17 33.1” diameter, 10” cross section, 6.5-8.5” wheel width. (56lbs.)
Open Country A/T II LT255/80R17 33.1” diameter, 10” cross section, 6.5-8.5” wheel width. (50lbs.)
BFGoodrich Tire
Mud-Terrain T/A KM2 LT255/80R17 33.3” diameter, 10” cross section, 6.5-8.5” wheel width. (57lbs.)
Interco Tire
M16-45 runs a 33x10.5R17LT 33.5” diameter, 10.9” cross section, 7-9” wheel width.
Cooper Tire
Discoverer S/T MAXX LT255/80R17 32.8” diameter, 10.2” cross section, 6.5-8.5” wheel width. (58lbs.)
Mastercraft Tire (Cooper)
Courser CXT 255/80R17 33.15” diameter, 10.4” cross section, 6.5-8.5” wheel width. (56lbs.)
Toyo Tire
Open Country R/T LT255/80R17 33.1” diameter, 10” cross section, 6.5-8.5” wheel width. (56lbs.)
Open Country A/T II LT255/80R17 33.1” diameter, 10” cross section, 6.5-8.5” wheel width. (50lbs.)
BFGoodrich Tire
Mud-Terrain T/A KM2 LT255/80R17 33.3” diameter, 10” cross section, 6.5-8.5” wheel width. (57lbs.)
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Pretty surprising the Open Country A/TII is only 50lbs. That's a light tire. I think my 255/75 c-rated coopers weigh more than that.
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T4 Leaf
New member
255/80 or 255/75 are the ideal tire for the T4R in my opinion. Especially if you're daily driving. Plus, these trucks aren't that heavy unless you've modded completely out, but even then it's no worse than a 1/2 ton truck, so to me there's no reason for the 285. The 255's help with clearance especially if you're going to new rims.
I just put 255 STMaxx on my wife's trd offroad, no rub with no lift. Can't wait for my dobinson long travel 3" and the black ray10's
Could I assume that the TRD OR and my non-lifted SR5P would have the same clearance/spacing... as in ...I can put 255/75's on with no rubbing?
I am in the process of getting new tires and wheels for my 5th gen right now. The 255 will be narrower and give you better mileage than the 275, and from everything I have read, the narrower the tire is, the better they perform in the snow too. I am going with the 275's for my Limited, seeing as I have narrow wheels as it is, and I want a better stance. Best of luck!
LJ75 Driver
New member
I think the SR5 wheels are a little different in the offset...? Someone correct me if I'm wrong. But there is a lot of clearance on the back and just enough on the front to not rub. If you went the 255/75 route you'll have even more room.
chillfancy
New member
You can get some 255/75R17 BFG KM takeoffs from the Rubicon guys for super cheap. I'm seeing sets with <5k miles for around $300 locally. ($165 each new!)
