SidewallerTire & wheel calculators

215/65R17 vs 235/65R16

235/65R16 is 0.1% taller (+0.02 in) and 0.79 in wider than 215/65R17.

OK
Close match

235/65R16 is 0.1% taller than 215/65R17. That is inside the ±3% most shops treat as a straight swap.

215/65R17235/65R16Change
Diameter28.00″28.03″+0.02″+0.1%
Width8.46″9.25″+0.79″+9.3%
Sidewall5.50″6.01″+0.51″+9.3%
Circumference88.0″88.1″+0.1″+0.1%
Wheel17″16″−1″
Revs per mile720720−1
SideTread
215/65R17235/65R16
Speedometer shows 60 mph60.1mph

Real speed on 235/65R16.

Ground clearance+0.01in

Change in height under the axle.

Width per side+0.39in

On the same wheel, split inboard and outboard.

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215/65R17 or 235/65R16?

Can I use 235/65R16 instead of 215/65R17?

235/65R16 is 0.1% taller than 215/65R17. 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 235/65R16 you are really doing 60.1 mph if the speedometer was set up for 215/65R17. Going the other way, 215/65R17 would make it read 59.9 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.01 in (+0 mm) under the axle.

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