Tire Size Box

265/60R14 vs 265/65R14

265/65R14 compared with 265/60R14

+3.9% diameter, 0.0" width

265/65R14 is 27.56" tall vs 26.52". More than the 3% rule of thumb, so check carefully before switching.

26.5"14" rim6.3"10.4" wide
265/60R14 (solid) compared with 265/65R14 (dashed outline), drawn to scale

With 265/65R14 tires, when your speedometer says 60 mph you are really going

62.4 mph

265/65R14 is +1.04 inches (+3.9%) in overall diameter. That is more than the 3% most shops and makers recommend.

265/60R14265/65R14Difference%
Overall diameter26.52"27.56"+1.04"+3.9%
Section width10.43"10.43"0.00"0.0%
Sidewall height6.26"6.78"+0.52"+8.3%
Circumference83.31"86.59"+3.28"+3.9%
Revolutions per mile760.5731.7−28.8−3.8%

Speedometer difference

If your vehicle came with 265/60R14 and you fit 265/65R14, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.8 mph+0.8 mph
30 mph31.2 mph+1.2 mph
40 mph41.6 mph+1.6 mph
50 mph52.0 mph+2.0 mph
60 mph62.4 mph+2.4 mph
65 mph67.6 mph+2.6 mph
70 mph72.8 mph+2.8 mph
75 mph78.0 mph+3.0 mph
80 mph83.1 mph+3.1 mph

Each size on its own

Questions

Which is bigger, 265/60R14 or 265/65R14?
265/65R14 is taller by 1.04 inches (27.56" vs 26.52"). 265/60R14 is the same width.
Can I replace 265/60R14 with 265/65R14?
It is not recommended without checking carefully. The diameter difference is +3.9%, 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 265/65R14 change my speedometer?
When your speedometer reads 60 mph with 265/65R14 fitted (calibrated for 265/60R14), your real speed is 62.4 mph. Your odometer will under-count miles by about 3.9%.
Will 265/65R14 lift my vehicle?
Ride height changes by half the diameter difference: +0.52 inches of ground clearance at the axle.

Other comparisons