285/60R20 vs 295/60R20

295/60R20 is 0.5" taller than 285/60R20 (1.4%)

Diameter difference+1.41%diameter 33.46" → 33.94"
285/60R20295/60R20
285/60R20295/60R20Difference
Overall diameter33.46"33.94"+0.47"
Section width11.22"11.61"+0.39"
Sidewall height6.73"6.97"+0.24"
Circumference105.1"106.6"+1.5"
Revolutions per mile603594−8
Wheel diameter20"20"±0"

Speedometer

ShowsActualDiff
30 mph30.4 mph+0.4
45 mph45.6 mph+0.6
60 mph60.8 mph+0.8
70 mph71.0 mph+1.0
80 mph81.1 mph+1.1

Gear ratio to match

CurrentEquivalent
3.423.47
3.553.60
3.733.78
4.104.16

295/60R20 is 0.47" taller than 285/60R20, a +1.41% change in diameter, inside the 3% range most shops treat as a safe swap.

Ground clearance changes by 0.24" (half the diameter change), and the tire needs 0.24" more room above it.

295/60R20 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 20" wheel; the sidewall is 0.24" taller on 295/60R20.

Details: 285/60R20 in inches · 295/60R20 in inches · change sizes in the calculator

FAQ

What is the difference between 285/60R20 and 295/60R20?

295/60R20 is 0.47" taller (+1.41%) and 0.39" wider than 285/60R20.

Will 295/60R20 change my speedometer?

Yes, by +1.41%. When the speedometer shows 60 mph you would be going 60.8 mph.

Can I replace 285/60R20 with 295/60R20?

Often yes: the diameter change of +1.4% is within the common 3% guideline. Check the load index, speed rating and clearance.