SidewallerTire & wheel calculators

185/60R13 vs 165/80R13

165/80R13 is 7.6% taller (+1.65 in) and 0.79 in narrower than 185/60R13.

Large
Big change

165/80R13 is 7.6% taller than 185/60R13. Beyond 5% you usually need a lift or leveling kit, a speedometer recalibration and sometimes new gears.

185/60R13165/80R13Change
Diameter21.74″23.39″+1.65″+7.6%
Width7.28″6.50″−0.79″−10.8%
Sidewall4.37″5.20″+0.83″+18.9%
Circumference68.3″73.5″+5.2″+7.6%
Wheel13″13″Same
Revs per mile928862−66
SideTread
185/60R13165/80R13
Speedometer shows 60 mph64.6mph

Real speed on 165/80R13.

Ground clearance+0.83in

Change in height under the axle.

Width per side−0.39in

On the same wheel, split inboard and outboard.

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185/60R13 or 165/80R13?

Can I use 165/80R13 instead of 185/60R13?

165/80R13 is 7.6% taller than 185/60R13. Beyond 5% you usually need a lift or leveling kit, a speedometer recalibration and sometimes new gears. 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 165/80R13 you are really doing 64.6 mph if the speedometer was set up for 185/60R13. Going the other way, 185/60R13 would make it read 55.8 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.83 in (+21 mm) under the axle.

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