I like to study my options before committing come them and also then finding out ns made a mistake! therefore I have been reading short article after post around many others the have adjusted tire size on their vehicles. I am no talking around a huge difference, however according come the posts that I have actually read, many civilization have stated what they think room the pros and cons to an altering tire size.

You are watching: 245/75r16 vs 265/75r16

In particular, i am trying to find pros and also cons come upgrading come a LT265 75 R16 indigenous the LT245 75 R16 ~ above a Chevy Silverado Ext. Cab K1500 4x4. The tire I desire to upgrade to is a Firestone location AT. Ns am currently running Firestone Steeltex.

THE advantages are: 1) much better looking tires for a 2004 K1500 Silverado 2) a little much more ground clearance

THE flaw are: 1) Worse gas mileage (Not certain if that adds as much as a lot) 2) an ext surface contact and less “traction” in the winter time 3) Price

I was wondering if anyone the end their has actually had any experience with this and also would the pros OUTWAY the cons? thanks for any type of advice!


edb1961 July 6, 2016, 1:38am #2

The LT265-75R16 is one optional size for your truck (according to tires Rack), so fitment must not it is in a problem. I changed the Uniroyals on my 2000 Blazer with location LE’s a few years back. The LE’s often tend to float a bit much more than the Uniroyals, but the rain, mud, and snow traction are magnitudes much better than the Uniroyals. Even with 30k on the tires, they still hold the road well.

Based ~ above my endure with the LE’s, the location AT’s space on the brief list to replace them top top the Blazer. I want a more aggressive tire for light off-roading.

Ed B.


oldtimer_11 July 6, 2016, 1:38am #3

Why carry out you think you are going to gain ground clearance? The only thing I check out on the plus next is that you like the “look” better.


mark9207 July 6, 2016, 1:38am #4

The different tire size will be 20mm more comprehensive (about 7/8") and around 7mm taller (less 보다 5/16"). Your added ground clearance will certainly be half the tire’s extra 7mm of height, to add the distinction in tread depth. You will have actually no appreciable difference in ground clearance. Going through this size will no hurt anything, yet you will not really acquire anything either. The just real factor to go v this size would be if the tires girlfriend want room not offered in your initial size. The extra width more than likely will watch nice, though, however the extra roll resistance may price you a little in gas mileage.


sjd181 July 6, 2016, 1:38am #5

Edb1961,

I really preferred the destination LEs that I placed on mine wife’s traveler a couple of years back. They were much far better than the OEMs in rain and snow. Looking front to the an ext aggressive ATs. I experienced that optional tire dimension was the 265s but didn’t recognize if I essential to readjust anything other than the speedo if I put them ~ above in location of the 245s. No to worried about the speedo.

Oldtimer 11,

I think the 265s will have a larger diameter of approximately an customs from reading various other posts and also using a tire size website to calculation the really diameter - I know their is a precise actual size but to lazy to look the up in ~ midnight- but in every honesty I offered the plural of agree in my post and also thought I better come up with at least two pros

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MikeInNH July 6, 2016, 1:38am #6

If you carry out a most driving in the eye then the 245 would certainly be the better choice…

But i really don’t view a trouble with placing those tires on.


missileman July 6, 2016, 1:38am #7

Since this tire dimension is optional for your truck you will have no problems. Her fuel economy may endure a small due to the weight of the tires and far better gripping power. You may discover that your truck stop a small faster than normal. Remember…the tires space what in reality stops her truck no the brakes. The brakes simply stop your wheels.


jtsanders July 6, 2016, 1:38am #8

If the tires compress equally, friend will obtain an extra 0.6 inches of ground clearance. The one will boost a bit less than 4%. That’s not a lot of change in speed.


the_same_mountainbike July 6, 2016, 1:38am #9

265 70 R16 would certainly look even far better and be practically exactly the same rolling radius.As friend know, the first number is the broad of the overcome section. The closer the tread is to the cross section area the the tires is the wider the tread is. A lower profile placed the tread closer to the overcome sectional area.


oldbodyman July 6, 2016, 1:38am #10

I walk this on mine 97 chevy. It currently shows about 4 mph slow-moving on the speeddo. This has been confirm by radar and GPS. Mine gas MPG is about the very same 15-16 roughly town 19-20 Hwy. The tire i went v is a GoodYear Wrangler LT. The traction is grate. I have no trouble going thru 1-2 foot of snow. I reduced firewood in the winter so ns dive the two tracks alot in the winter. I remained in Detroit last winter when they gained 8 inch’s the snow through ice under it had no difficulties in 2 wheel Dr yet I placed it 4 wheel Dr for safety. Ns paid just under $600.00 because that them.


sjd181 July 6, 2016, 1:38am #11

I favor the idea that the van will prevent faster… the is the an initial time someone has actually mentioned the protecting against power of bigger tires. Ns am comfortable with driving in the eye so i think that having the 265s will not be a big deal because that me. Ns am going to inspect out the prices on part 265 70 R16s as well. Ns figured that the size boost was no so good that mine gas mileage would suffer. Also glad to hear that gas purpose of use does not tank through this upgrade. Many thanks again for all the info.


the_same_mountainbike July 6, 2016, 1:38am #12

It’s a mistake to assume that a bigger tire will protect against the auto faster. A tire’s “footprint” is a role of its fill in pounds and also its waiting pressure. Top top vehicles v narrow tires for the car’s size, the tire may stop the vehicle faster by much better reacting come the added load of stopping (the weight moving to the front) and keeping its tread flatter, but on a car whose tires are adequate for that size and whose brakes are marginal the included rotating fixed may more than balance out the far better traction under dynamic loads.

Try this experiment. Spin a road bike’s wheel as quick as you deserve to by hand and try to protect against it by squeezing the political parties of the rim. Then carry out the very same with a mountain bike. You’ll find that the difference in rotating mass makes a big difference. The mountain bike wheel will certainly be plainly harder come stop. The exact same principle uses with cars and also brakes.


sjd181 July 6, 2016, 1:43am #13

Thanks because that the info… I will certainly go spin the tires ~ above my dedicated Rockhopper and compare come the old road bike in the garage.


the_same_mountainbike July 6, 2016, 1:43am #14

Your Rockhopper has aluminum rims. Simply be sure when you compare the the old road bike also has aluminum rims. The old dime store bikes typically had stole rims, and that’ll chaos up the comparison.

You can examine with a refridgerator magnet.


keith July 6, 2016, 1:43am #15

The larger tires will be 30mm bigger in diameter, not 7mm. Through the compression that the tire, 0.6" boost in ride elevation sounds around right.

The differences in traction room going come be much more due come the tread and also rubber compound than the tires size. If you were comparing the same design tires, climate the traction differences would be as result of the size.

If the circumference is 4% higher (3.9%) and you measure up a 4% decrease in measured gas mileage, you space actually breaking even. BTW, over there is around a 2% difference between brand-new tires and worn tires the the exact same size.


bautistasamuel844_163116 respectable 9, 2021, 3:13pm #16

245 sizes tires and also 265 size tire for the truck is popular. Most of the car owner shifted 245 size to 265 size tire due to the fact that of some advantages. Both tires ~ above the one axle have to be the same size tires also. Below that method anyone have to buy new at the very least 2 that the 265 tires. Below see having actually 4 Wheel journey or every Wheel journey you have to buy 4 brand-new 265 tires. And if anyone buys just two the 265 then the 265 tires diameter has to be the very same as the 245 tires diameter. These are actually procedures of adjusting tires on your favorite car. By these adjusting friend can conveniently benefited by making use of the 265 dimension tires.


VOLVO-V70 august 9, 2021, 3:17pm #17

You posted to a 10 year old thread and also I yes, really don’t understand what you room trying come say .


2 Likes
FoDaddy august 9, 2021, 3:54pm #18
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bautistasamuel844_163116:

These room actually processes of adjusting tires on your favorite car. By this adjusting girlfriend can easily benefited by making use of the 265 size tires.

Might want to run that through Google translate again.


2 Likes
JoeMario august 9, 2021, 4:48pm #19

Welcome bautistasamuel844_163116 to the site. And thanks for the update.

See more: How To Remove Front Drive Shaft Chevy 1500 ? How To Remove A Silverado'S Drive Shaft


VOLVO-V70 respectable 9, 2021, 4:51pm #20

Joe , what update ? That short article is nearly Gibberish and as FoDaddy write-ups it can be a Google analyze done poorly.


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