SidewallerTire & wheel calculators

255/40R19 vs 215/60R17

215/60R17 is 0.5% taller (+0.13 in) and 1.57 in narrower than 255/40R19.

OK
Close match

215/60R17 is 0.5% taller than 255/40R19. That is inside the ±3% most shops treat as a straight swap.

255/40R19215/60R17Change
Diameter27.03″27.16″+0.13″+0.5%
Width10.04″8.46″−1.57″−15.7%
Sidewall4.02″5.08″+1.06″+26.5%
Circumference84.9″85.3″+0.4″+0.5%
Wheel19″17″−2″
Revs per mile746743−3
SideTread
255/40R19215/60R17
Speedometer shows 60 mph60.3mph

Real speed on 215/60R17.

Ground clearance+0.06in

Change in height under the axle.

Width per side−0.79in

On the same wheel, split inboard and outboard.

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255/40R19 or 215/60R17?

Can I use 215/60R17 instead of 255/40R19?

215/60R17 is 0.5% taller than 255/40R19. 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 215/60R17 you are really doing 60.3 mph if the speedometer was set up for 255/40R19. Going the other way, 255/40R19 would make it read 59.7 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.06 in (+2 mm) under the axle.

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