TireSizesFinder

285/75R17 vs 35x11.50R17

35x11.50R17 is 1.17 in (29.7 mm) taller than 285/75R17, a +3.46% diameter difference. With the speedometer set for 285/75R17, an indicated 60 mph is 62.1 mph on 35x11.50R17.

Is this a safe swap?

Diameter difference +3.46%: outside the ±3% guideline

By overall diameter alone, 35x11.50R17 falls outside the ±3% range commonly used as a guideline when replacing 285/75R17; speedometer and ride-height changes are larger. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 285/75R17 (33.83 in) vs 35x11.50R17 (35.00 in)285/75R1733.83 in × 11.22 in35x11.50R1735.00 in × 11.50 in
Side profile and tread width, drawn to the same scale.
285/75R17 vs 35x11.50R17 differences
Measurement285/75R1735x11.50R17Difference% diff
Overall diameter33.83 in (859.3 mm)35.00 in (889.0 mm)+1.17 in (+29.7 mm)+3.46%
Sidewall height8.42 in (213.8 mm)9.00 in (228.6 mm)+0.58 in (+14.8 mm)+6.95%
Section width11.22 in (285.0 mm)11.50 in (292.1 mm)+0.28 in (+7.1 mm)+2.49%
Circumference106.28 in (2,699.6 mm)109.96 in (2,792.9 mm)+3.67 in (+93.3 mm)+3.46%
Revolutions per mile596576−20−3.34%
True speed with the speedometer calibrated for 285/75R17
IndicatedActual on 285/75R17Actual on 35x11.50R17Difference
30 mph30.0 mph31.0 mph+1.0 mph
60 mph60.0 mph62.1 mph+2.1 mph
75 mph75.0 mph77.6 mph+2.6 mph

Ride-height change: 35x11.50R17 raises the vehicle by 0.58 in (14.8 mm) at the axle (half the +29.7 mm diameter difference).

35x11.50R17 is 1.17 in taller than 285/75R17 and 7 mm wider, a 3.46% difference in overall diameter.

With the speedometer calibrated for 285/75R17, an indicated 60 mph is actually 62.1 mph on 35x11.50R17, and revolutions per mile change from 596 to 576.

Both sizes mount on 17-inch wheels.

Size pages

Other comparisons with 285/75R17

Other comparisons with 35x11.50R17

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