Tire Size Box

295/65R16 vs 295/70R16

295/70R16 compared with 295/65R16

+3.7% diameter, 0.0" width

295/70R16 is 32.26" tall vs 31.10". More than the 3% rule of thumb, so check carefully before switching.

31.1"16" rim7.5"11.6" wide
295/65R16 (solid) compared with 295/70R16 (dashed outline), drawn to scale

With 295/70R16 tires, when your speedometer says 60 mph you are really going

62.2 mph

295/70R16 is +1.16 inches (+3.7%) in overall diameter. That is more than the 3% most shops and makers recommend.

295/65R16295/70R16Difference%
Overall diameter31.10"32.26"+1.16"+3.7%
Section width11.61"11.61"0.00"0.0%
Sidewall height7.55"8.13"+0.58"+7.7%
Circumference97.70"101.35"+3.65"+3.7%
Revolutions per mile648.5625.2−23.3−3.6%

Speedometer difference

If your vehicle came with 295/65R16 and you fit 295/70R16, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.7 mph+0.7 mph
30 mph31.1 mph+1.1 mph
40 mph41.5 mph+1.5 mph
50 mph51.9 mph+1.9 mph
60 mph62.2 mph+2.2 mph
65 mph67.4 mph+2.4 mph
70 mph72.6 mph+2.6 mph
75 mph77.8 mph+2.8 mph
80 mph83.0 mph+3.0 mph

Each size on its own

Questions

Which is bigger, 295/65R16 or 295/70R16?
295/70R16 is taller by 1.16 inches (32.26" vs 31.10"). 295/65R16 is the same width.
Can I replace 295/65R16 with 295/70R16?
It is not recommended without checking carefully. The diameter difference is +3.7%, 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 295/70R16 change my speedometer?
When your speedometer reads 60 mph with 295/70R16 fitted (calibrated for 295/65R16), your real speed is 62.2 mph. Your odometer will under-count miles by about 3.7%.
Will 295/70R16 lift my vehicle?
Ride height changes by half the diameter difference: +0.58 inches of ground clearance at the axle.

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