SidewallerTire & wheel calculators

245/75R16 vs 265/75R16

265/75R16 is 3.9% taller (+1.18 in) and 0.79 in wider than 245/75R16.

Caution
Check before you buy

265/75R16 is 3.9% taller than 245/75R16. It often still fits, but expect a noticeable speedometer error and check clearance at full steering lock.

245/75R16265/75R16Change
Diameter30.47″31.65″+1.18″+3.9%
Width9.65″10.43″+0.79″+8.2%
Sidewall7.23″7.82″+0.59″+8.2%
Circumference95.7″99.4″+3.7″+3.9%
Wheel16″16″Same
Revs per mile662637−25
SideTread
245/75R16265/75R16
Speedometer shows 60 mph62.3mph

Real speed on 265/75R16.

Ground clearance+0.59in

Change in height under the axle.

Width per side+0.39in

On the same wheel, split inboard and outboard.

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245/75R16 or 265/75R16?

Can I use 265/75R16 instead of 245/75R16?

265/75R16 is 3.9% taller than 245/75R16. It often still fits, but expect a noticeable speedometer error and check clearance at full steering lock. Also match or beat the original load index and speed rating, and check that the wheel width suits the new tire.

Will my speedometer be off?

At an indicated 60 mph on 265/75R16 you are really doing 62.3 mph if the speedometer was set up for 245/75R16. Going the other way, 245/75R16 would make it read 57.8 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.59 in (+15 mm) under the axle.

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