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Sidewall

235/60R20

235 mm across the tread, a sidewall 60% of that — 141 mm — on a 20-inch rim. That puts the whole wheel at 31.1 inches tall.

141 mm sidewall790 mm · 31.1"
Sidewall
5.55"
141 mm
Overall
31.1"
790.0 mm
Circumference
97.7"
2.482 m
Revs per mile
648
per minute at 60 mph

What it needs to sit on

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It mounts on a rim between 6.5" and 8.5" wide, and the tread follows the rim: roughly 5 mm of section width for every half-inch, so about 225 mm across at the narrow end and 245 mm at the wide one. Written the way lift kits and wheel wells are, it is a 31.1×9.3R20 — tall by wide, in inches.

What goes wrong on this size

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1 drivers have filed a complaint. 0 of them ended in a crash, and nobody was hurt. Nobody died.

1 of them name what let go, and it is most often crack. 114s uniroyal laredo awp is named more than any other brand.

What let goComplaints
crack1

Where the wheel is named, 1 of 1 were on the rear, and 0 on the front.

What fits instead

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Same 20-inch rim, height within 3%. Past that the speedometer starts lying and things begin to rub.


SizeHeightRide heightSpeedo reads 60, you doCompare
255/55R2031.0" -0.2 %-0.8 mm59.9 mphside by side
215/65R2031.0" -0.3 %-1.3 mm59.8 mphside by side
225/65R2031.5" +1.3 %+5.3 mm60.8 mphside by side
225/60R2030.6" -1.5 %-6.0 mm59.1 mphside by side
245/60R2031.6" +1.5 %+6.0 mm60.9 mphside by side
245/55R2030.6" -1.6 %-6.3 mm59.1 mphside by side
215/70R2031.9" +2.4 %+9.5 mm61.4 mphside by side
235/55R2030.2" -3.0 %-11.8 mm58.2 mphside by side

Same height, different rim

Bigger rim, same overall height. Sharper steering, harsher ride, and far less rubber between your wheel and the next pothole.


205/75R19154 mm sidewall — 9% more
215/60R21129 mm sidewall — 9% less
255/60R19153 mm sidewall — 9% more
255/50R21128 mm sidewall — 10% less
235/55R21129 mm sidewall — 8% less
235/65R19153 mm sidewall — 8% more

Tires graded in this size

Longest-lasting tread first. The grade is set by the maker and checked by regulators.


TireTreadwearWet grip
Goodyear EAGLE TOURING560A

If you fit something taller

A taller tire covers more ground per turn, so the needle reads low and the odometer counts short. Over ten thousand miles on the dial, the last column is what you really drove.


Fitted insteadReads 30Reads 50Reads 70Real miles per 10,000 shown
255/55R2029.9 mph49.9 mph69.9 mph9,981
215/65R2029.9 mph49.8 mph69.8 mph9,968
225/65R2030.4 mph50.7 mph70.9 mph10,133
225/60R2029.5 mph49.2 mph68.9 mph9,848
245/60R2030.5 mph50.8 mph71.1 mph10,152