Tires Size 255/45R18
Dimensions, specs, and every size 255/45R18 tire currently in stock
27.04"
687 mm · calculated
255 mm
10.04 inches
4.52"
114.8 mm · 45% profile
18"
457.2 mm
Showing 1 to 6 of 6 products
255/45R18 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 10.04 in | 255 mm |
| Aspect ratio | 45% | — |
| Sidewall height | 4.52 in | 114.8 mm |
| Overall diameter (calculated) | 27.04 in | 687 mm |
| Wheel / rim diameter | 18 in | 457.2 mm |
| Construction | Radial | — |
What does 255/45R18 mean?
Reading the code on your sidewall
255 mm
The distance from sidewall to sidewall across the tire's widest point.
45% profile
The sidewall stands 45% of the section width, which is 114.8 mm on this size.
Radial
The body plies run across the tire at right angles to the direction of travel.
18 in
Fits a wheel measuring 18 inches across.
255/45R18 Questions & Answers
Dimensions and fitment guidelines for size 255/45R18
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255/45ZR18 ROYALBLACK RACINGTRAC 103W XL 420-A-A 50K + ROAD HAZARD
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255/45ZR18 ROYALBLACK RACINGTRAC 103W XL 420-A-A 50K + ROAD HAZARD
33X12.50R20LT ATLANDER ROVERCLAW M/T I 119Q ***12PLY
205/50ZR17 FULLRUN F6000 93W XL M+S 380A-A
185/70R14 ROYALBLACK TOURING HP 88T 560-A-A 60K + ROAD HAZARD
P225/65R17 LIONHART LIONCLAW H/T 102T 500A-A 40K+ ROAD HAZARD
7.50-16 AKURET HARROW TRACK F2 F3 8PLY dot-2012
LT 7.00-14 AKURET TRAKER PLUS XL 8PLY
275/40ZR18 LANDSPIDER CITY SPORT 103W XL BSW
225/70R16 LANDSPIDER CITYTRAXX H/T 107H XL 480A-A 50K + ROAD HAZARD
275/35ZR20 COSMO MUCHOMACHO 102Y XL 300-A-A 30K + ROAD HAZARD
225/45ZR17 ROYALBLACK RACINGTRAC 94W XL 420-A-A 50K + ROAD HAZARD
245/45ZR19 ATLANDER XSPORT-86 102W XL 420A-A 50K + ROAD HAZARD
275/65R18 ROYALBLACK MILAGEMAX SUV CUV 116H 620-A-A 60K + ROAD HAZARD
225/55ZR18 MOHAWK AEGIS SPORT A/S 102W XL M+S 500-A-A 50K + ROAD HAZARD
205/45ZR16 ROADTRACK TERRENA UHP 98W M+S 420-A-A 50K + ROAD HAZARD
195/55R16 TOYO EXTENSA HP 87V BSW 360-A-A 45K
35X13.50R24LT ROADTRACK TERRENA M/T 116Q 12PLY
LT245/75R16 ARMSTRONG TRU-TRAC A/T 120/116S 10PLY 65K+ROAD HAZARD
235/35ZR20 ROADTRACK TERRENA UHP 92W M+S 420-A-A 50K + ROAD HAZARD
265/70R16 COSMO EL TIGRE A/T 112T BSW M+S 540A-B 55K+ ROAD HAZARD