SidewallerTire & wheel calculators

165/65R13 vs 185/60R13

185/60R13 is 1.4% taller (+0.30 in) and 0.79 in wider than 165/65R13.

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Close match

185/60R13 is 1.4% taller than 165/65R13. That is inside the ±3% most shops treat as a straight swap.

165/65R13185/60R13Change
Diameter21.44″21.74″+0.30″+1.4%
Width6.50″7.28″+0.79″+12.1%
Sidewall4.22″4.37″+0.15″+3.5%
Circumference67.4″68.3″+0.9″+1.4%
Wheel13″13″Same
Revs per mile940928−13
SideTread
165/65R13185/60R13
Speedometer shows 60 mph60.8mph

Real speed on 185/60R13.

Ground clearance+0.15in

Change in height under the axle.

Width per side+0.39in

On the same wheel, split inboard and outboard.

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165/65R13 or 185/60R13?

Can I use 185/60R13 instead of 165/65R13?

185/60R13 is 1.4% taller than 165/65R13. 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 185/60R13 you are really doing 60.8 mph if the speedometer was set up for 165/65R13. Going the other way, 165/65R13 would make it read 59.2 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.15 in (+4 mm) under the axle.

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