Tire Size Box

215/70R16 vs 215/75R16

215/75R16 compared with 215/70R16

+3.0% diameter, 0.0" width

215/75R16 is 28.70" tall vs 27.85". More than the 3% rule of thumb, so check carefully before switching.

27.9"16" rim5.9"8.5" wide
215/70R16 (solid) compared with 215/75R16 (dashed outline), drawn to scale

With 215/75R16 tires, when your speedometer says 60 mph you are really going

61.8 mph

215/75R16 is +0.85 inches (+3.0%) in overall diameter. That is more than the 3% most shops and makers recommend.

215/70R16215/75R16Difference%
Overall diameter27.85"28.70"+0.85"+3.0%
Section width8.46"8.46"0.00"0.0%
Sidewall height5.93"6.35"+0.42"+7.1%
Circumference87.49"90.15"+2.66"+3.0%
Revolutions per mile724.2702.8−21.4−2.9%

Speedometer difference

If your vehicle came with 215/70R16 and you fit 215/75R16, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.6 mph+0.6 mph
30 mph30.9 mph+0.9 mph
40 mph41.2 mph+1.2 mph
50 mph51.5 mph+1.5 mph
60 mph61.8 mph+1.8 mph
65 mph67.0 mph+2.0 mph
70 mph72.1 mph+2.1 mph
75 mph77.3 mph+2.3 mph
80 mph82.4 mph+2.4 mph

Each size on its own

Questions

Which is bigger, 215/70R16 or 215/75R16?
215/75R16 is taller by 0.85 inches (28.70" vs 27.85"). 215/70R16 is the same width.
Can I replace 215/70R16 with 215/75R16?
It is not recommended without checking carefully. The diameter difference is +3.0%, more than the 3% most shops and makers allow. It will throw off the speedometer and may affect ABS, stability control and clearance.
How much will 215/75R16 change my speedometer?
When your speedometer reads 60 mph with 215/75R16 fitted (calibrated for 215/70R16), your real speed is 61.8 mph. Your odometer will under-count miles by about 3.0%.
Will 215/75R16 lift my vehicle?
Ride height changes by half the diameter difference: +0.42 inches of ground clearance at the axle.

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