
$1,480.76 for 4 · Not available
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275/40R20 reads off the tire sidewall: 275 mm of section width, a sidewall whose height is 40% of that width, and a 20 in mounting diameter.
Every price shown is the price of this exact size, and the dot says what is ready today.

$1,480.76 for 4 · Not available
Prices are per tire, before sales tax. You send your request online; the final amount, payment and handover are then arranged directly with us.
These figures are derived from the three numbers, not entered by hand: it is the same arithmetic as the size equivalence calculator.
Usable mounting width is a shop rule of thumb, roughly 70 to 90% of section width. It is not a standard. The exact range is whatever the manufacturer publishes for that model.
Sizes whose overall diameter stays within 3% of this one. The ones we carry link to their own page. These are computed suggestions, not a guarantee of fit: the vehicle manual decides.
| Size | Overall diameter | Gap | In the catalogue |
|---|---|---|---|
| 275/40R20Original size | 728 mm | 0 %Identical diameter | — |
| 245/50R19 | 727.6 mm | -0.05 %Within tolerance | — |
| 245/45R20 | 728.5 mm | +0.07 %Within tolerance | In the catalogue |
| 245/55R18 | 726.7 mm | -0.18 %Within tolerance | — |
| 245/40R21 | 729.4 mm | +0.19 %Within tolerance | — |
| 305/40R19 | 726.6 mm | -0.19 %Within tolerance | — |
| 285/30R22 | 729.8 mm | +0.25 %Within tolerance | — |
| 275/35R21 | 725.9 mm | -0.29 %Within tolerance | — |
| 275/45R19 | 730.1 mm | +0.29 %Within tolerance | — |
| 245/35R22 | 730.3 mm | +0.32 %Within tolerance | — |
| 305/45R18 | 731.7 mm | +0.51 %Within tolerance | — |
| 275/30R22 | 723.8 mm | -0.58 %Within tolerance | — |
| 275/50R18 | 732.2 mm | +0.58 %Within tolerance | — |
| 285/35R21 | 732.9 mm | +0.67 %Within tolerance | — |
| 295/45R18 | 722.7 mm | -0.73 %Within tolerance | — |
| 265/50R18 | 722.2 mm | -0.8 %Within tolerance | — |
| 255/40R21 | 737.4 mm | +1.29 %Within tolerance | In the catalogue |
| 255/45R20 | 737.5 mm | +1.3 %Within tolerance | In the catalogue |
| 255/50R19 | 737.6 mm | +1.32 %Within tolerance | In the catalogue |
| 255/55R18 | 737.7 mm | +1.33 %Within tolerance | In the catalogue |
| 295/35R21 | 739.9 mm | +1.63 %Within tolerance | In the catalogue |
| 255/40R20 | 712 mm | -2.2 %For reference only | In the catalogue |
| 265/45R20 | 746.5 mm | +2.54 %For reference only | In the catalogue |
Every size, every brand and every season has its own page: the models offered, the technical sheet and the equivalents.