Question 1

Which tire is taller, 245/35 R19 or 205/60 R16?

Accepted Answer

245/35 R19 is taller by 1.7 mm (0.26%) compared with 205/60 R16.

Question 2

What is the diameter difference between 245/35 R19 and 205/60 R16?

Accepted Answer

245/35 R19 measures 654 mm overall diameter, 205/60 R16 measures 652 mm — a difference of 1.7 mm (0.26%).

Question 3

How much speedometer error does this change create?

Accepted Answer

Switching from 245/35 R19 to 205/60 R16 changes the speedometer reading by -0.26%. At an indicated 100 km/h, your true speed becomes about 99.7 km/h.

Question 4

Is 205/60 R16 a safe replacement for 245/35 R19?

Accepted Answer

Within ±3% diameter — generally considered a safe replacement from a speedometer-error standpoint, provided wheel offset, rim width and clearance also match your vehicle.

Question 5

What else should I check before changing tire size?

Accepted Answer

Beyond diameter and speedometer error, verify wheel offset (ET), rim width, hub bore, load index, brake and suspension clearance, and your vehicle's manufacturer specification. Local regulations may also limit how far you can deviate from OEM.

Metric	245/35 R19	205/60 R16	Difference
Overall diameter	654.1 mm	652.4 mm	-1.7 mm (-0.26%)
Sidewall height	85.8 mm	123.0 mm	+37.3 mm
Circumference	2.055 m	2.050 m	-5.3 mm
Revs / km	486.6	487.9	+1.3
Ground clearance	reference	-0.8 mm	-0.8 mm
Speedometer @ 100 km/h	100.0 km/h	99.7 km/h	-0.26 km/h

245/35 R19 vs 205/60 R16

Detailed comparison

Verdict: excellent

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