TireSizesFinder

295/35R19 vs 265/35R20

265/35R20 is 0.17 in (4.4 mm) taller than 295/35R19, a +0.64% diameter difference. With the speedometer set for 295/35R19, an indicated 60 mph is 60.4 mph on 265/35R20.

Is this a safe swap?

Diameter difference +0.64%: under 1%

By overall diameter alone, 265/35R20 is a near match for 295/35R19; the speedometer changes by less than 1%. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 295/35R19 (27.13 in) vs 265/35R20 (27.30 in)295/35R1927.13 in × 11.61 in265/35R2027.30 in × 10.43 in
Side profile and tread width, drawn to the same scale.
295/35R19 vs 265/35R20 differences
Measurement295/35R19265/35R20Difference% diff
Overall diameter27.13 in (689.1 mm)27.30 in (693.5 mm)+0.17 in (+4.4 mm)+0.64%
Sidewall height4.06 in (103.3 mm)3.65 in (92.8 mm)−0.41 in (−10.5 mm)−10.17%
Section width11.61 in (295.0 mm)10.43 in (265.0 mm)−1.18 in (−30.0 mm)−10.17%
Circumference85.23 in (2,164.9 mm)85.78 in (2,178.7 mm)+0.54 in (+13.8 mm)+0.64%
Revolutions per mile743739−5−0.63%
True speed with the speedometer calibrated for 295/35R19
IndicatedActual on 295/35R19Actual on 265/35R20Difference
30 mph30.0 mph30.2 mph+0.2 mph
60 mph60.0 mph60.4 mph+0.4 mph
75 mph75.0 mph75.5 mph+0.5 mph

Ride-height change: 265/35R20 raises the vehicle by 0.09 in (2.2 mm) at the axle (half the +4.4 mm diameter difference).

265/35R20 is 0.17 in taller than 295/35R19 and 30 mm narrower, a 0.64% difference in overall diameter.

With the speedometer calibrated for 295/35R19, an indicated 60 mph is actually 60.4 mph on 265/35R20, and revolutions per mile change from 743 to 739.

265/35R20 mounts on a 20-inch wheel, a plus-1 fitment from the 19-inch wheel of 295/35R19.

Size pages

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Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.