SidewallerTire & wheel calculators

215/70R15 vs 215/75R15

215/75R15 is 3.2% taller (+0.85 in) and the same width than 215/70R15.

Caution
Check before you buy

215/75R15 is 3.2% taller than 215/70R15. It often still fits, but expect a noticeable speedometer error and check clearance at full steering lock.

215/70R15215/75R15Change
Diameter26.85″27.70″+0.85″+3.2%
Width8.46″8.46″0.00″0.0%
Sidewall5.93″6.35″+0.42″+7.1%
Circumference84.4″87.0″+2.7″+3.2%
Wheel15″15″Same
Revs per mile751728−23
SideTread
215/70R15215/75R15
Speedometer shows 60 mph61.9mph

Real speed on 215/75R15.

Ground clearance+0.42in

Change in height under the axle.

Width per side0.00in

On the same wheel, split inboard and outboard.

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215/70R15 or 215/75R15?

Can I use 215/75R15 instead of 215/70R15?

215/75R15 is 3.2% taller than 215/70R15. 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 215/75R15 you are really doing 61.9 mph if the speedometer was set up for 215/70R15. Going the other way, 215/70R15 would make it read 58.2 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.42 in (+11 mm) under the axle.

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