Tire Size Box

205/60R13 vs 205/65R13

205/65R13 compared with 205/60R13

+3.6% diameter, 0.0" width

205/65R13 is 23.49" tall vs 22.69". More than the 3% rule of thumb, so check carefully before switching.

22.7"13" rim4.8"8.1" wide
205/60R13 (solid) compared with 205/65R13 (dashed outline), drawn to scale

With 205/65R13 tires, when your speedometer says 60 mph you are really going

62.1 mph

205/65R13 is +0.81 inches (+3.6%) in overall diameter. That is more than the 3% most shops and makers recommend.

205/60R13205/65R13Difference%
Overall diameter22.69"23.49"+0.81"+3.6%
Section width8.07"8.07"0.00"0.0%
Sidewall height4.84"5.25"+0.40"+8.3%
Circumference71.27"73.80"+2.54"+3.6%
Revolutions per mile889.0858.5−30.5−3.4%

Speedometer difference

If your vehicle came with 205/60R13 and you fit 205/65R13, 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 mph41.4 mph+1.4 mph
50 mph51.8 mph+1.8 mph
60 mph62.1 mph+2.1 mph
65 mph67.3 mph+2.3 mph
70 mph72.5 mph+2.5 mph
75 mph77.7 mph+2.7 mph
80 mph82.8 mph+2.8 mph

Each size on its own

Questions

Which is bigger, 205/60R13 or 205/65R13?
205/65R13 is taller by 0.81 inches (23.49" vs 22.69"). 205/60R13 is the same width.
Can I replace 205/60R13 with 205/65R13?
It is not recommended without checking carefully. The diameter difference is +3.6%, 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 205/65R13 change my speedometer?
When your speedometer reads 60 mph with 205/65R13 fitted (calibrated for 205/60R13), your real speed is 62.1 mph. Your odometer will under-count miles by about 3.6%.
Will 205/65R13 lift my vehicle?
Ride height changes by half the diameter difference: +0.40 inches of ground clearance at the axle.

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