275/60R15 vs 295/55R15

275/60R15 is 0.2" taller than 295/55R15 (0.8%)

Diameter difference−0.77%diameter 27.99" → 27.78"
275/60R15295/55R15
275/60R15295/55R15Difference
Overall diameter27.99"27.78"−0.22"
Section width10.83"11.61"+0.79"
Sidewall height6.50"6.39"−0.11"
Circumference87.9"87.3"−0.7"
Revolutions per mile720726+6
Wheel diameter15"15"±0"

Speedometer

ShowsActualDiff
30 mph29.8 mph−0.2
45 mph44.7 mph−0.3
60 mph59.5 mph−0.5
70 mph69.5 mph−0.5
80 mph79.4 mph−0.6

Gear ratio to match

CurrentEquivalent
3.423.39
3.553.52
3.733.70
4.104.07

295/55R15 is 0.22" shorter than 275/60R15, a −0.77% change in diameter, inside the 3% range most shops treat as a safe swap.

Ground clearance changes by 0.11" (half the diameter change), and the tire needs 0.11" less room above it.

295/55R15 is 0.79" wider. On the same wheel offset about half of that, 0.39", moves toward the suspension and half toward the fender.

Both fit a 15" wheel; the sidewall is 0.11" shorter on 295/55R15.

Details: 275/60R15 in inches · 295/55R15 in inches · change sizes in the calculator

FAQ

What is the difference between 275/60R15 and 295/55R15?

295/55R15 is 0.22" shorter (−0.77%) and 0.79" wider than 275/60R15.

Will 295/55R15 change my speedometer?

Yes, by −0.77%. When the speedometer shows 60 mph you would be going 59.5 mph.

Can I replace 275/60R15 with 295/55R15?

Often yes: the diameter change of −0.8% is within the common 3% guideline. Check the load index, speed rating and clearance.