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What is the lightest AT or mild AT tires? Need to get a set to save gas.

Discussion in 'Wheels & Tires' started by king.cong.1119, Jun 22, 2022.

  1. Jun 22, 2022 at 9:22 AM
    #31
    Tundra Dude 45

    Tundra Dude 45 New Member

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    When I switched out my factory Bridgestone highway tires to a P-rated all terrain tire in the same size I lost about 2 mpg. The new AT tires do weigh a few lbs more, I didn’t think it would affect mpgs that much but it does. New AT tires are hankook dynapro AT2 255/70/R18. They are much better in the snow and rain compared to factory tires. Look much better also. My truck has the 4.6L and I can still get up to 20 mpgs on country roads averaging 55 mph, highway at 70+ is about 17-18 mpgs. Cold psi I keep all at 36.
     
    Last edited: Jun 22, 2022
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  2. Jun 22, 2022 at 9:36 AM
    #32
    Tundra234

    Tundra234 New Member

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    Alot of them
    I agree. Driving habits would probably have the biggest impact.
     
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  3. Jun 22, 2022 at 9:39 AM
    #33
    PermaFrostTRD

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    Toyo AT3s, Cooper Disco AT3 XLT, Firestone X/t are among the lightest of AT, E-rated tires (that also still look like all-terrains). Not sure you're going to see the gains back, especially with the Toyos - they're approaching $400/tire in anything other than basic/stock sizes.

    My wife's 4R has the Toyo AT3s and they're great. I dont have experience with the others I mentioned.
     
    king.cong.1119 [OP] likes this.
  4. Jun 22, 2022 at 9:40 AM
    #34
    mverkaik

    mverkaik New Member

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    Michelin LTX A/T2 that come stock with the Off-Road package are only 40# per tire. 275/65R18.
     
    king.cong.1119 [OP] likes this.
  5. Jun 22, 2022 at 10:33 AM
    #35
    Wahayes

    Wahayes Older I get the wiser I realize my dad is

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    All you would do is break even in 4 months , but only if your math and mpg is correct , and I think everyone here has clearly stated the math is questionable based on your assumed gains. You did want to save money correct, not spend it and have to wait for 4 months to break even?

    I think with today's gas prices we can all agree 5 dollar gas sucks ass, but what you are proposing is like losing your ass at blackjack and deciding to stay at the table to earn your money back. Youve gotten alot of good advice from people on here chiming in that this is a not necessarily a winning idea. Being the dad of a 19 year old, I hate seeing good money thrown after bad (lol) That said, it's your wallet not mine so that's the end of my input on the matter.
     
  6. Jun 22, 2022 at 11:20 AM
    #36
    DividedSky

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    I have some Bridgestone Dueler AT Revo's on my truck right now (stock rims) and in a 275/75/18 they weigh in at 50 lbs each.
    265/70 18's are only 48 lbs That is the smallest 18in you can get.
    Tread is pretty aggressive for the weight though. It just lacks a lot of side support...

    [​IMG]
     
  7. Jun 22, 2022 at 11:24 AM
    #37
    DividedSky

    DividedSky New Member

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    For sure!! If a regear made them more efficient, then Toyota would have stocked the truck with those gears!! With all the fleet MPG regulations going on right now, and the high price of gas, I would wager that Toyota would do anything to get a better mpg, even if the towing etc. suffered a little bit.
     
  8. Jun 22, 2022 at 6:09 PM
    #38
    Saltyhero13

    Saltyhero13 Throbbing Member

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    As much as I dislike these tires on my vehicle I think this may be a good compromise for a well behaved "AT" tire with highway characteristics but in an E Rating they wont be lighter than the tires OP listed. The tires are fairly capable with some drawbacks. Read the reviews before purchasing.
     
  9. Jun 22, 2022 at 6:17 PM
    #39
    EmergencyMaximum

    EmergencyMaximum ♡'s MPGs!!

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    Your best savings will come from slowing down and having gentle driving habits:rocket::burnrubber:
     
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  10. Jun 22, 2022 at 6:23 PM
    #40
    sn_85

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    You’re missing the point. Toyota chooses the right gear ratios for stock vehicles. They don’t intend for their trucks to be overloaded and overweight with an additional 800-1000lbs and 35” inch tires. Gear hunting, efficiency and stress on drive train is worsened with every mod and pound of weight you put on the truck.
     
  11. Jun 22, 2022 at 7:30 PM
    #41
    Wixo

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    Lets run the numbers, how many miles do you drive per month, whats your mpg, whats the current gas price around you?
     
  12. Jun 23, 2022 at 5:26 AM
    #42
    dpast88

    dpast88 New Member

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    285/70r17 Bridgestone AT Revo 3 , 17x8.5 Icon Rebound Wheels, JBA Headers, TRD Dual Exhaust, Ironman Foam Cell Coilovers, BD BDX
    Could just keep your 17s and put on p rated 285/70r17 which are in the low 40s. That puts your wheel tire combo at around 70lbs and doesn’t look terrible even with a lift.

    image.jpg
     
  13. Jun 23, 2022 at 6:43 AM
    #43
    king.cong.1119

    king.cong.1119 [OP] New Member

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    I am planning on doing something similar, but I am going to keep the 35s combo for offroad usage.
    I just got a set of alloy 18s and planning on doing the 265/70r18 (same height with 285/70r17) and weighs in the low 40s if not high 30s.
     
  14. Jun 23, 2022 at 6:44 AM
    #44
    king.cong.1119

    king.cong.1119 [OP] New Member

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    I already did that lol but I appreciate the help man
     
  15. Jun 23, 2022 at 6:45 AM
    #45
    king.cong.1119

    king.cong.1119 [OP] New Member

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    already doing that, I rarely exceed 65mph and am really easy on the skinny paddle lol
     
  16. Jun 23, 2022 at 7:08 AM
    #46
    Netmonkey

    Netmonkey Don't be a Dumbass

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    I always chuckle at these posts. You don't buy a 6000 pound brick and put it on 35" tires for its gas mileage. Even if, as you suggest, you save 3 mpg by putting on 29" tires, you will still get crappy gas mileage. The gas prices suck right now, but this is what we signed up for by buying a Tundra :)
     
  17. Jun 23, 2022 at 7:14 AM
    #47
    king.cong.1119

    king.cong.1119 [OP] New Member

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    You are right, I didn't guy them to save gas. But at the current situation, I am trying to save as much my hard earned money as possible. And fyi the tires I was looking for aren't 29", they are 32-33". I was hoping to get some real life experience of MPG difference between 100lbs a corner (35s) and 70lbs a corner (32-33s).
     
  18. Jun 23, 2022 at 7:25 AM
    #48
    Netmonkey

    Netmonkey Don't be a Dumbass

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    Oh, is 275/50/18 a typo?

    I don't think you will save that much fuel going from a 35 to a 33. I went from a 32 to a 34 and only lost 1 mpg.
     
  19. Jun 23, 2022 at 7:27 AM
    #49
    king.cong.1119

    king.cong.1119 [OP] New Member

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    Oops my bad, I meant to say 275/65r18 or 255/70r18 basically the stock sized tires.

    What is your weight difference of the tires from 32 to 34?
     
  20. Jun 23, 2022 at 7:31 AM
    #50
    ninjajay

    ninjajay Posting from the toilet

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    Toytec/Radflo Lift, Ambit RS02 18x9+0, Bridgestone Revo 3 295/70/18
    Bridgestone Revo 3, 295/70/18 (34” or so) and 50 lbs a corner

    F18A87B4-EE91-47AF-8110-484D53CA80FD.jpg
     
  21. Jun 23, 2022 at 7:32 AM
    #51
    Netmonkey

    Netmonkey Don't be a Dumbass

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    3.59 pounds per tire.

    upload_2022-6-23_9-30-37.jpg
     
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  22. Jun 23, 2022 at 7:34 AM
    #52
    Silver17

    Silver17 Well, that’s just like uh, your opinion man

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    The best mileage I ever got in either of my 5.7 tundras was my old 2010 I got 21mpg with 2 adults and all of our stuff and gear, a 300lb motorcycle in the bed and a 300 lb motorcycle on a hitch carrier. I was using 285/65R18 Atturo Trail blade XTs. Could be worth checking their weight, but something about them was conducive to good mileage.
     
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  23. Jun 23, 2022 at 7:35 AM
    #53
    king.cong.1119

    king.cong.1119 [OP] New Member

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    I see, so you went up one size and around 4lbs per corner.
    upload_2022-6-23_10-34-2.jpg

    That may not be as drastically different than say went up 4-5 sizes and 30lbs per corner?
    upload_2022-6-23_10-35-41.jpg
     
  24. Jun 23, 2022 at 7:39 AM
    #54
    stewtopia

    stewtopia 4RunningTundra

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    What he said. They make a KO2 load range D.
     
  25. Jun 23, 2022 at 7:39 AM
    #55
    king.cong.1119

    king.cong.1119 [OP] New Member

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    wow thats impressive. gives me hope of getting that 3-4mpg gain from dropping to a 32-32s and shedding 30lbs a corner.
     
  26. Jun 23, 2022 at 7:40 AM
    #56
    king.cong.1119

    king.cong.1119 [OP] New Member

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    Yea man, as much as I love my current set of ko2s I probably will be looking for other brand and less aggressive tires for my daily usage, I am just going to go back to stock ones and see how much gas that will save me. lol
     
  27. Jun 23, 2022 at 7:42 AM
    #57
    Silver17

    Silver17 Well, that’s just like uh, your opinion man

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    I was able to find the weight of that size (load range E) is 53.7 lbs per tire which is pretty darn light for a Load E tire. The tread was also decently aggressive but super quiet, I did like those tires and they used to be cheap. I’m sure that changed.
     
  28. Jun 23, 2022 at 7:44 AM
    #58
    king.cong.1119

    king.cong.1119 [OP] New Member

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    I see, thanks for that info, 53lbs is still a lot more than I was looking for, I am just going to get 33s that weighs around 40lbs per tire, they better give me some more MPGs, as far as load range, I was hoping a 2500-2700lbs per tire rating would be enough for our tundras? mine does weight around 7000lbs max lol
     
  29. Jun 23, 2022 at 8:00 AM
    #59
    EmergencyMaximum

    EmergencyMaximum ♡'s MPGs!!

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    Well, not many people can afford to have a hauler and a sunday vehicle. Unless those people bought maximum limited edition 1794 capstone ultrawow truck.:ohsnap:(testing emojis)
    @king.cong.1119 , doing 55 is amazing on mpg. If you can afford 10 extra mph lower, it'll help a lot.
     
  30. Jun 23, 2022 at 8:29 AM
    #60
    rruff

    rruff New Member

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    And if you keep pointing out that the myths are wrong, with physics (ie reality), you get banned. Belief is a funny thing...

    My setup compared to stock Bridgestone is that I get better mpg around town and about the same on the freeway. This is ~17-18 freeway, and 13-18 (~16 avg) in town (depending on the length of trip, stops, amount of time idling at driveups, etc). Weight went up more than 30 lbs per corner. Weight is a trivial effects unless you do a lot of hard starts and stops.

    The main thing you want is low rolling resistance. This is a measure of internal frictional losses due to casing distortion. Tires with low rolling resistance either distort less, or rebound from distortion without losing as much energy. That later part is the huge unknown because no one tests truck tires. Thick tread, tough casings, and high load rating tend to be bad... but are not reliable gauges. The main difference comes down to the compounds used and construction details. Regarding the amount of distortion, larger diameter is good, lower profile is good, and greater width is good. I know the Hankook ATMs I have are good ATs for mpg (even though aero drag has certainly gone up), but they no longer make them and the AT2s might not be.

    If you really want to get new tires and wheels for street use, try Michelin Defenders in standard load on 20" rims. Looks like 275/60r20 would be it for 33s. You also have a lift and a front bumper that are going to be significant hits on mpg on the highway.
     

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