SidewallerTire & wheel calculators

225/55R19 vs 235/55R19

235/55R19 is 1.5% taller (+0.43 in) and 0.39 in wider than 225/55R19.

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Close match

235/55R19 is 1.5% taller than 225/55R19. That is inside the ±3% most shops treat as a straight swap.

225/55R19235/55R19Change
Diameter28.74″29.18″+0.43″+1.5%
Width8.86″9.25″+0.39″+4.4%
Sidewall4.87″5.09″+0.22″+4.4%
Circumference90.3″91.7″+1.4″+1.5%
Wheel19″19″Same
Revs per mile702691−10
SideTread
225/55R19235/55R19
Speedometer shows 60 mph60.9mph

Real speed on 235/55R19.

Ground clearance+0.22in

Change in height under the axle.

Width per side+0.20in

On the same wheel, split inboard and outboard.

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225/55R19 or 235/55R19?

Can I use 235/55R19 instead of 225/55R19?

235/55R19 is 1.5% taller than 225/55R19. 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 235/55R19 you are really doing 60.9 mph if the speedometer was set up for 225/55R19. Going the other way, 225/55R19 would make it read 59.1 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.22 in (+6 mm) under the axle.

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