275/60R17 vs 265/70R17

265/70R17 is 1.6" taller than 275/60R17 (5.4%)

Diameter difference+5.38%diameter 29.99" → 31.61"
275/60R17265/70R17
275/60R17265/70R17Difference
Overall diameter29.99"31.61"+1.61"
Section width10.83"10.43"−0.39"
Sidewall height6.50"7.30"+0.81"
Circumference94.2"99.3"+5.1"
Revolutions per mile672638−34
Wheel diameter17"17"±0"

Speedometer

ShowsActualDiff
30 mph31.6 mph+1.6
45 mph47.4 mph+2.4
60 mph63.2 mph+3.2
70 mph73.8 mph+3.8
80 mph84.3 mph+4.3

Gear ratio to match

CurrentEquivalent
3.423.60
3.553.74
3.733.93
4.104.32

265/70R17 is 1.61" taller than 275/60R17, a +5.38% change in diameter. That is more than the 3% many tire shops use as a limit, so plan on recalibrating the speedometer and checking ABS and stability control.

Ground clearance changes by 0.81" (half the diameter change), and the tire needs 0.81" more room above it.

275/60R17 is 0.39" wider. On the same wheel offset about half of that, 0.20", moves toward the suspension and half toward the fender.

Both fit a 17" wheel; the sidewall is 0.81" taller on 265/70R17.

Details: 275/60R17 in inches · 265/70R17 in inches · change sizes in the calculator

FAQ

What is the difference between 275/60R17 and 265/70R17?

265/70R17 is 1.61" taller (+5.38%) and 0.39" narrower than 275/60R17.

Will 265/70R17 change my speedometer?

Yes, by +5.38%. When the speedometer shows 60 mph you would be going 63.2 mph.

Can I replace 275/60R17 with 265/70R17?

It is a +5.4% diameter change, larger than the common 3% guideline, so check clearance and plan to recalibrate.