Tires Size 215/40ZR18
Dimensions, specs, and every size 215/40ZR18 tire currently in stock
24.78"
629 mm · calculated
215 mm
8.46 inches
3.39"
86 mm · 40% profile
18"
457.2 mm
1 product
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215/40ZR18 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 8.46 in | 215 mm |
| Aspect ratio | 40% | — |
| Sidewall height | 3.39 in | 86 mm |
| Overall diameter (calculated) | 24.78 in | 629 mm |
| Wheel / rim diameter | 18 in | 457.2 mm |
| Construction | Radial | — |
What does 215/40ZR18 mean?
Reading the code on your sidewall
215 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 86 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.
215/40ZR18 Questions & Answers
Dimensions and fitment guidelines for size 215/40ZR18
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