SidewallerTire & wheel calculators

175/70R13 vs 165/80R13

165/80R13 is 3.3% taller (+0.75 in) and 0.39 in narrower than 175/70R13.

Caution
Check before you buy

165/80R13 is 3.3% taller than 175/70R13. It often still fits, but expect a noticeable speedometer error and check clearance at full steering lock.

175/70R13165/80R13Change
Diameter22.65″23.39″+0.75″+3.3%
Width6.89″6.50″−0.39″−5.7%
Sidewall4.82″5.20″+0.37″+7.8%
Circumference71.1″73.5″+2.4″+3.3%
Wheel13″13″Same
Revs per mile891862−28
SideTread
175/70R13165/80R13
Speedometer shows 60 mph62.0mph

Real speed on 165/80R13.

Ground clearance+0.37in

Change in height under the axle.

Width per side−0.20in

On the same wheel, split inboard and outboard.

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175/70R13 or 165/80R13?

Can I use 165/80R13 instead of 175/70R13?

165/80R13 is 3.3% taller than 175/70R13. 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 165/80R13 you are really doing 62.0 mph if the speedometer was set up for 175/70R13. Going the other way, 175/70R13 would make it read 58.1 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.37 in (+10 mm) under the axle.

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