SidewallerTire & wheel calculators

155/70R13 vs 185/60R13

185/60R13 is 0.9% taller (+0.20 in) and 1.18 in wider than 155/70R13.

OK
Close match

185/60R13 is 0.9% taller than 155/70R13. That is inside the ±3% most shops treat as a straight swap.

155/70R13185/60R13Change
Diameter21.54″21.74″+0.20″+0.9%
Width6.10″7.28″+1.18″+19.4%
Sidewall4.27″4.37″+0.10″+2.3%
Circumference67.7″68.3″+0.6″+0.9%
Wheel13″13″Same
Revs per mile936928−8
SideTread
155/70R13185/60R13
Speedometer shows 60 mph60.5mph

Real speed on 185/60R13.

Ground clearance+0.10in

Change in height under the axle.

Width per side+0.59in

On the same wheel, split inboard and outboard.

Shop 185/60R13 tires

Opens the store’s own search

Prices and stock change often, so check a few stores. We don’t earn anything from these links.

155/70R13 or 185/60R13?

Can I use 185/60R13 instead of 155/70R13?

185/60R13 is 0.9% taller than 155/70R13. 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 60.5 mph if the speedometer was set up for 155/70R13. Going the other way, 155/70R13 would make it read 59.5 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.10 in (+3 mm) under the axle.

Other comparisons