Tires Size 245/40ZR18
Dimensions, specs, and every size 245/40ZR18 tire currently in stock
25.72"
653 mm · calculated
245 mm
9.65 inches
3.86"
98 mm · 40% profile
18"
457.2 mm
Showing 11 to 20 of 20 products
245/40ZR18 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 9.65 in | 245 mm |
| Aspect ratio | 40% | — |
| Sidewall height | 3.86 in | 98 mm |
| Overall diameter (calculated) | 25.72 in | 653 mm |
| Wheel / rim diameter | 18 in | 457.2 mm |
| Construction | Radial | — |
What does 245/40ZR18 mean?
Reading the code on your sidewall
245 mm
The distance from sidewall to sidewall across the tire's widest point.
40% profile
The sidewall stands 40% of the section width, which is 98 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.
245/40ZR18 Questions & Answers
Dimensions and fitment guidelines for size 245/40ZR18
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
LT245/75R16 ARMSTRONG TRU-TRAC A/T 120/116S 10PLY 65K+ROAD HAZARD
LT275/65R20 PEGASUS RTX R/T 126/123R 10PLY 40K+ ROAD HAZARD
285/35ZR19 ROADTRACK TERRENA UHP 103Y M+S 420-A-A 50K + ROAD HAZARD
Armstrong Tru-trac H/T III LT235/80R17
35X12.50R18LT ATLANDER ROVERCLAW M/T I 123Q 10PLY
225/70R16 LANDSPIDER CITYTRAXX H/T 107H XL 480A-A 50K + ROAD HAZARD
LT275/65R20 RBP GURANTOR H/T 126/123Q 10PLY
235/45R17 TOYO EXTENSA HP II 97W XL 500-A-A 45K
215/40ZR18 ROADTRACK TERRENA UHP 89W XL 420-A-A 50K + ROAD HAZARD
295/35ZR24 ROYALBLACK RACINGTRAC 110W 420-A-A 50K + ROAD HAZARD
305/35ZR20 ROADTRACK TERRENA UHP 107Y XL 420-A-A 50K + ROAD HAZARD
LT275/55R20 FORTUNE TORMENTA R/T FSR309 120/117Q 10PLY M+S 50K 80psi *NEW
Armstrong Tru-trac H/T III 265/70R17
275/55R20 TOYO PROXES ST III 117V XL BSW 500-A-A 40K
185/65R15 GLADIATOR X COMP HP AS1 88H 420 A-A 60K + ROAD HAZARD
Leao Reg Drive AAR22S 3PMSF 225/70R19.5
275/40ZR18 LANDSPIDER CITY SPORT 103W XL BSW
245/70R17 ATLANDER ROVERSTAR H/T 110H 480-A-A 50K+ ROAD HAZARD
215/55R16 ROADTRACK TERRENA UHP 97V M+S 420-A-A 50K + ROAD HAZARD
LT245/70R17 Hankook Dynapro HT RH12-LT
LT245/75R16 ARMSTRONG TRU-TRAC A/T 120/116S 10PLY 65K+ROAD HAZARD
LT275/65R20 PEGASUS RTX R/T 126/123R 10PLY 40K+ ROAD HAZARD
285/35ZR19 ROADTRACK TERRENA UHP 103Y M+S 420-A-A 50K + ROAD HAZARD
Armstrong Tru-trac H/T III LT235/80R17
35X12.50R18LT ATLANDER ROVERCLAW M/T I 123Q 10PLY
225/70R16 LANDSPIDER CITYTRAXX H/T 107H XL 480A-A 50K + ROAD HAZARD
LT275/65R20 RBP GURANTOR H/T 126/123Q 10PLY
235/45R17 TOYO EXTENSA HP II 97W XL 500-A-A 45K
215/40ZR18 ROADTRACK TERRENA UHP 89W XL 420-A-A 50K + ROAD HAZARD
295/35ZR24 ROYALBLACK RACINGTRAC 110W 420-A-A 50K + ROAD HAZARD
305/35ZR20 ROADTRACK TERRENA UHP 107Y XL 420-A-A 50K + ROAD HAZARD
LT275/55R20 FORTUNE TORMENTA R/T FSR309 120/117Q 10PLY M+S 50K 80psi *NEW
Armstrong Tru-trac H/T III 265/70R17
275/55R20 TOYO PROXES ST III 117V XL BSW 500-A-A 40K
185/65R15 GLADIATOR X COMP HP AS1 88H 420 A-A 60K + ROAD HAZARD
Leao Reg Drive AAR22S 3PMSF 225/70R19.5
275/40ZR18 LANDSPIDER CITY SPORT 103W XL BSW
245/70R17 ATLANDER ROVERSTAR H/T 110H 480-A-A 50K+ ROAD HAZARD
215/55R16 ROADTRACK TERRENA UHP 97V M+S 420-A-A 50K + ROAD HAZARD
LT245/70R17 Hankook Dynapro HT RH12-LT