SidewallerTire & wheel calculators

155/80R13 vs 165/80R13

165/80R13 is 2.8% taller (+0.63 in) and 0.39 in wider than 155/80R13.

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Close match

165/80R13 is 2.8% taller than 155/80R13. That is inside the ±3% most shops treat as a straight swap.

155/80R13165/80R13Change
Diameter22.76″23.39″+0.63″+2.8%
Width6.10″6.50″+0.39″+6.5%
Sidewall4.88″5.20″+0.31″+6.5%
Circumference71.5″73.5″+2.0″+2.8%
Wheel13″13″Same
Revs per mile886862−24
SideTread
155/80R13165/80R13
Speedometer shows 60 mph61.7mph

Real speed on 165/80R13.

Ground clearance+0.31in

Change in height under the axle.

Width per side+0.20in

On the same wheel, split inboard and outboard.

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155/80R13 or 165/80R13?

Can I use 165/80R13 instead of 155/80R13?

165/80R13 is 2.8% taller than 155/80R13. 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 165/80R13 you are really doing 61.7 mph if the speedometer was set up for 155/80R13. Going the other way, 155/80R13 would make it read 58.4 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.31 in (+8 mm) under the axle.

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