TireSizesFinder

245/35R19 vs 265/35R19

265/35R19 is 0.55 in (14.0 mm) taller than 245/35R19, a +2.14% diameter difference. With the speedometer set for 245/35R19, an indicated 60 mph is 61.3 mph on 265/35R19.

Is this a safe swap?

Diameter difference +2.14%: within the ±3% guideline

By overall diameter alone, 265/35R19 falls inside the ±3% range commonly used as a guideline when replacing 245/35R19. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 245/35R19 (25.75 in) vs 265/35R19 (26.30 in)245/35R1925.75 in × 9.65 in265/35R1926.30 in × 10.43 in
Side profile and tread width, drawn to the same scale.
245/35R19 vs 265/35R19 differences
Measurement245/35R19265/35R19Difference% diff
Overall diameter25.75 in (654.1 mm)26.30 in (668.1 mm)+0.55 in (+14.0 mm)+2.14%
Sidewall height3.38 in (85.8 mm)3.65 in (92.8 mm)+0.28 in (+7.0 mm)+8.16%
Section width9.65 in (245.0 mm)10.43 in (265.0 mm)+0.79 in (+20.0 mm)+8.16%
Circumference80.90 in (2,054.9 mm)82.63 in (2,098.9 mm)+1.73 in (+44.0 mm)+2.14%
Revolutions per mile783767−16−2.10%
True speed with the speedometer calibrated for 245/35R19
IndicatedActual on 245/35R19Actual on 265/35R19Difference
30 mph30.0 mph30.6 mph+0.6 mph
60 mph60.0 mph61.3 mph+1.3 mph
75 mph75.0 mph76.6 mph+1.6 mph

Ride-height change: 265/35R19 raises the vehicle by 0.28 in (7.0 mm) at the axle (half the +14.0 mm diameter difference).

265/35R19 is 0.55 in taller than 245/35R19 and 20 mm wider, a 2.14% difference in overall diameter.

With the speedometer calibrated for 245/35R19, an indicated 60 mph is actually 61.3 mph on 265/35R19, and revolutions per mile change from 783 to 767.

Both sizes mount on 19-inch wheels.

Size pages

Other comparisons with 245/35R19

Other comparisons with 265/35R19

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