SidewallerTire & wheel calculators

225/35R19 vs 255/35R19

255/35R19 is 3.3% taller (+0.83 in) and 1.18 in wider than 225/35R19.

Caution
Check before you buy

255/35R19 is 3.3% taller than 225/35R19. It often still fits, but expect a noticeable speedometer error and check clearance at full steering lock.

225/35R19255/35R19Change
Diameter25.20″26.03″+0.83″+3.3%
Width8.86″10.04″+1.18″+13.3%
Sidewall3.10″3.51″+0.41″+13.3%
Circumference79.2″81.8″+2.6″+3.3%
Wheel19″19″Same
Revs per mile800775−25
SideTread
225/35R19255/35R19
Speedometer shows 60 mph62.0mph

Real speed on 255/35R19.

Ground clearance+0.41in

Change in height under the axle.

Width per side+0.59in

On the same wheel, split inboard and outboard.

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225/35R19 or 255/35R19?

Can I use 255/35R19 instead of 225/35R19?

255/35R19 is 3.3% taller than 225/35R19. 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 255/35R19 you are really doing 62.0 mph if the speedometer was set up for 225/35R19. Going the other way, 225/35R19 would make it read 58.1 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.41 in (+11 mm) under the axle.

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