Tires Size 255/45R20
Dimensions, specs, and every size 255/45R20 tire currently in stock
29.04"
738 mm · calculated
255 mm
10.04 inches
4.52"
114.8 mm · 45% profile
20"
508.0 mm
Showing 1 to 10 of 19 products
255/45R20 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) | 29.04 in | 738 mm |
| Wheel / rim diameter | 20 in | 508.0 mm |
| Construction | Radial | — |
What does 255/45R20 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.
20 in
Fits a wheel measuring 20 inches across.
255/45R20 Questions & Answers
Dimensions and fitment guidelines for size 255/45R20
Need Help Choosing The Right Tires?
Have questions about fitment, brands, or pricing? Our team of tire experts is here to guide you to the perfect set — zero pressure, zero sales tactics.
Talk to a Tire Specialist Today
We make tire buying fast and effortless. Call or email us anytime to verify size compatibility, load index, or speed ratings for your vehicle.
Fast Expert Advice
Response within 1 business hour
Shop Our Collection
Explore premium tires, wheels, and fitments from top brands
225/55ZR18 MOHAWK AEGIS SPORT A/S 102W XL M+S 500-A-A 50K + ROAD HAZARD
245/45ZR19 ATLANDER XSPORT-86 102W XL 420A-A 50K + ROAD HAZARD
LT245/70R17 Hankook Dynapro HT RH12-LT
205/50ZR17 FULLRUN F6000 93W XL M+S 380A-A
LT235/85R16 ATLANDER ROVERCLAW M/T I 120/116Q 10PLY
LT265/70R16 ATLANDER ROVERCLAW A/T 121/118S 10PLY
145/70R13 ARMSTRONG BLU-TRAC PC 71T 700-A-A 85K+ ROAD HAZARD
LT245/75R16 ARMSTRONG TRU-TRAC A/T 120/116S 10PLY 65K+ROAD HAZARD
LT295/55R20 FORTUNE TORMENTA R/T 123/120Q 10PLY M+S 50K 80psi ***BUFFED
Armstrong Tru-trac H/T III LT235/80R17
LT285/60R20 LEXANI LXHT-206 125/122S 10PLY+ ROAD HAZARD
205/45ZR16 ROADTRACK TERRENA UHP 98W M+S 420-A-A 50K + ROAD HAZARD
265/70R18 ATLANDER ROVERCLAW H/T 116H 480A-A 50K
215/60R17 ROYALBLACK MILAGEMAX SUV/CUV 96V 620-A-A 60K + ROAD HAZARD
265/70R16 COSMO EL TIGRE A/T 112T BSW M+S 540A-B 55K+ ROAD HAZARD
235/50R19 COSMO ROAD HUNTER 99V M+S 560A-A 60K + ROAD HAZARD
265/70R16 ATLANDER ROVERCLAW A/T OWL 112T 560-A-B 50K+ ROAD HAZARD
265/70R16 ATLANDER ROVERCLAW A/T OWL 112T 560-A-B 50K+ ROAD HAZARD
185/70R14 ROYALBLACK TOURING HP 88T 560-A-A 60K + ROAD HAZARD
215/40ZR18 ROADTRACK TERRENA UHP 89W XL 420-A-A 50K + ROAD HAZARD
11R24.5 TRAVELSTAR TD660 CS DRIVE 149/146M 16PLY
225/55ZR18 MOHAWK AEGIS SPORT A/S 102W XL M+S 500-A-A 50K + ROAD HAZARD
245/45ZR19 ATLANDER XSPORT-86 102W XL 420A-A 50K + ROAD HAZARD
LT245/70R17 Hankook Dynapro HT RH12-LT
205/50ZR17 FULLRUN F6000 93W XL M+S 380A-A
LT235/85R16 ATLANDER ROVERCLAW M/T I 120/116Q 10PLY
LT265/70R16 ATLANDER ROVERCLAW A/T 121/118S 10PLY
145/70R13 ARMSTRONG BLU-TRAC PC 71T 700-A-A 85K+ ROAD HAZARD
LT245/75R16 ARMSTRONG TRU-TRAC A/T 120/116S 10PLY 65K+ROAD HAZARD
LT295/55R20 FORTUNE TORMENTA R/T 123/120Q 10PLY M+S 50K 80psi ***BUFFED
Armstrong Tru-trac H/T III LT235/80R17
LT285/60R20 LEXANI LXHT-206 125/122S 10PLY+ ROAD HAZARD
205/45ZR16 ROADTRACK TERRENA UHP 98W M+S 420-A-A 50K + ROAD HAZARD
265/70R18 ATLANDER ROVERCLAW H/T 116H 480A-A 50K
215/60R17 ROYALBLACK MILAGEMAX SUV/CUV 96V 620-A-A 60K + ROAD HAZARD
265/70R16 COSMO EL TIGRE A/T 112T BSW M+S 540A-B 55K+ ROAD HAZARD
235/50R19 COSMO ROAD HUNTER 99V M+S 560A-A 60K + ROAD HAZARD
265/70R16 ATLANDER ROVERCLAW A/T OWL 112T 560-A-B 50K+ ROAD HAZARD
265/70R16 ATLANDER ROVERCLAW A/T OWL 112T 560-A-B 50K+ ROAD HAZARD
185/70R14 ROYALBLACK TOURING HP 88T 560-A-A 60K + ROAD HAZARD
215/40ZR18 ROADTRACK TERRENA UHP 89W XL 420-A-A 50K + ROAD HAZARD
11R24.5 TRAVELSTAR TD660 CS DRIVE 149/146M 16PLY