335/30R19 vs 335/35R19

335/35R19 compared with 335/30R19

+4.9% diameter, 0.0" width

335/35R19 is 28.23" tall vs 26.91". More than the 3% rule of thumb, so check carefully before switching.

26.9"19" rim4.0"13.2" wide
335/30R19 (solid) compared with 335/35R19 (dashed outline), drawn to scale

With 335/35R19 tires, when your speedometer says 60 mph you are really going

62.9 mph

335/35R19 is +1.32 inches (+4.9%) in overall diameter. That is more than the 3% most shops and makers recommend.

335/30R19335/35R19Difference%
Overall diameter26.91"28.23"+1.32"+4.9%
Section width13.19"13.19"0.00"0.0%
Sidewall height3.96"4.62"+0.66"+16.7%
Circumference84.55"88.69"+4.14"+4.9%
Revolutions per mile749.4714.4−35.0−4.7%

Speedometer difference

If your vehicle came with 335/30R19 and you fit 335/35R19, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph21.0 mph+1.0 mph
30 mph31.5 mph+1.5 mph
40 mph42.0 mph+2.0 mph
50 mph52.5 mph+2.5 mph
60 mph62.9 mph+2.9 mph
65 mph68.2 mph+3.2 mph
70 mph73.4 mph+3.4 mph
75 mph78.7 mph+3.7 mph
80 mph83.9 mph+3.9 mph

Each size on its own

Questions

Which is bigger, 335/30R19 or 335/35R19?
335/35R19 is taller by 1.32 inches (28.23" vs 26.91"). 335/30R19 is the same width.
Can I replace 335/30R19 with 335/35R19?
It is not recommended without checking carefully. The diameter difference is +4.9%, more than the 3% most shops and makers allow. It will throw off the speedometer and may affect ABS, stability control and clearance.
How much will 335/35R19 change my speedometer?
When your speedometer reads 60 mph with 335/35R19 fitted (calibrated for 335/30R19), your real speed is 62.9 mph. Your odometer will under-count miles by about 4.9%.
Will 335/35R19 lift my vehicle?
Ride height changes by half the diameter difference: +0.66 inches of ground clearance at the axle.

Other comparisons