SidewallerTire & wheel calculators

185/60R13 vs 175/65R13

175/65R13 is 1.0% taller (+0.22 in) and 0.39 in narrower than 185/60R13.

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Close match

175/65R13 is 1.0% taller than 185/60R13. That is inside the ±3% most shops treat as a straight swap.

185/60R13175/65R13Change
Diameter21.74″21.96″+0.22″+1.0%
Width7.28″6.89″−0.39″−5.4%
Sidewall4.37″4.48″+0.11″+2.5%
Circumference68.3″69.0″+0.7″+1.0%
Wheel13″13″Same
Revs per mile928919−9
SideTread
185/60R13175/65R13
Speedometer shows 60 mph60.6mph

Real speed on 175/65R13.

Ground clearance+0.11in

Change in height under the axle.

Width per side−0.20in

On the same wheel, split inboard and outboard.

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185/60R13 or 175/65R13?

Can I use 175/65R13 instead of 185/60R13?

175/65R13 is 1.0% taller than 185/60R13. That is inside the ±3% most shops treat as a straight swap. 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 175/65R13 you are really doing 60.6 mph if the speedometer was set up for 185/60R13. Going the other way, 185/60R13 would make it read 59.4 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.11 in (+3 mm) under the axle.

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