SidewallerTire & wheel calculators

215/75R15 vs 235/75R15

235/75R15 is 4.3% taller (+1.18 in) and 0.79 in wider than 215/75R15.

Caution
Check before you buy

235/75R15 is 4.3% taller than 215/75R15. It often still fits, but expect a noticeable speedometer error and check clearance at full steering lock.

215/75R15235/75R15Change
Diameter27.70″28.88″+1.18″+4.3%
Width8.46″9.25″+0.79″+9.3%
Sidewall6.35″6.94″+0.59″+9.3%
Circumference87.0″90.7″+3.7″+4.3%
Wheel15″15″Same
Revs per mile728698−30
SideTread
215/75R15235/75R15
Speedometer shows 60 mph62.6mph

Real speed on 235/75R15.

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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215/75R15 or 235/75R15?

Can I use 235/75R15 instead of 215/75R15?

235/75R15 is 4.3% taller than 215/75R15. 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 235/75R15 you are really doing 62.6 mph if the speedometer was set up for 215/75R15. Going the other way, 215/75R15 would make it read 57.5 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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