SidewallerTire & wheel calculators

175/65R15 vs 195/65R15

195/65R15 is 4.3% taller (+1.02 in) and 0.79 in wider than 175/65R15.

Caution
Check before you buy

195/65R15 is 4.3% taller than 175/65R15. It often still fits, but expect a noticeable speedometer error and check clearance at full steering lock.

175/65R15195/65R15Change
Diameter23.96″24.98″+1.02″+4.3%
Width6.89″7.68″+0.79″+11.4%
Sidewall4.48″4.99″+0.51″+11.4%
Circumference75.3″78.5″+3.2″+4.3%
Wheel15″15″Same
Revs per mile842807−34
SideTread
175/65R15195/65R15
Speedometer shows 60 mph62.6mph

Real speed on 195/65R15.

Ground clearance+0.51in

Change in height under the axle.

Width per side+0.39in

On the same wheel, split inboard and outboard.

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175/65R15 or 195/65R15?

Can I use 195/65R15 instead of 175/65R15?

195/65R15 is 4.3% taller than 175/65R15. 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 195/65R15 you are really doing 62.6 mph if the speedometer was set up for 175/65R15. Going the other way, 175/65R15 would make it read 57.5 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.51 in (+13 mm) under the axle.

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