Tire Size Box

355/25R19 vs 355/35R19

355/35R19 compared with 355/25R19

+10.8% diameter, 0.0" width

355/35R19 is 28.78" tall vs 25.99". More than the 3% rule of thumb, so check carefully before switching.

26.0"19" rim3.5"14.0" wide
355/25R19 (solid) compared with 355/35R19 (dashed outline), drawn to scale

With 355/35R19 tires, when your speedometer says 60 mph you are really going

66.5 mph

355/35R19 is +2.80 inches (+10.8%) in overall diameter. That is more than the 3% most shops and makers recommend.

355/25R19355/35R19Difference%
Overall diameter25.99"28.78"+2.80"+10.8%
Section width13.98"13.98"0.00"0.0%
Sidewall height3.49"4.89"+1.40"+40.0%
Circumference81.64"90.43"+8.78"+10.8%
Revolutions per mile776.0700.7−75.4−9.7%

Speedometer difference

If your vehicle came with 355/25R19 and you fit 355/35R19, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph22.2 mph+2.2 mph
30 mph33.2 mph+3.2 mph
40 mph44.3 mph+4.3 mph
50 mph55.4 mph+5.4 mph
60 mph66.5 mph+6.5 mph
65 mph72.0 mph+7.0 mph
70 mph77.5 mph+7.5 mph
75 mph83.1 mph+8.1 mph
80 mph88.6 mph+8.6 mph

Each size on its own

Questions

Which is bigger, 355/25R19 or 355/35R19?
355/35R19 is taller by 2.80 inches (28.78" vs 25.99"). 355/25R19 is the same width.
Can I replace 355/25R19 with 355/35R19?
It is not recommended without checking carefully. The diameter difference is +10.8%, 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 355/35R19 change my speedometer?
When your speedometer reads 60 mph with 355/35R19 fitted (calibrated for 355/25R19), your real speed is 66.5 mph. Your odometer will under-count miles by about 10.8%.
Will 355/35R19 lift my vehicle?
Ride height changes by half the diameter difference: +1.40 inches of ground clearance at the axle.

Other comparisons