275/55R20 Tire Size in Inches
A 275/55R20 tire is about 31.9 inches tall and 10.83 inches wide, with a 5.95-inch sidewall, fitted to a 20-inch wheel.
Source: manufacturer documents (listed below) · Updated 2026-11-05 · By CarWhere Research
Calculated nominal dimensions; circumference 100.2 in. Measured size varies slightly by tire model and rim width.
Vehicles with factory 275/55R20 tires
| Vehicle | Trim | Years |
|---|---|---|
| Toyota Tundra | Type D | 2020, 2021[1],[2] |
Compared with nearby sizes
| Size | Diameter | Difference |
|---|---|---|
| 275/55R20 | 31.9 in | — |
| 275/50R20 | 30.8 in | -3.4% |
| 275/60R20 | 33 in | +3.4% |
Width in inches
Check the exact vehicle, not just the model
Trim, package and production changes all move these numbers. Decode the 17-character VIN with the free VIN decoder to confirm the engine and trim, or see the federal engine and MPG specs. Shopping? Browse live inventory and what buyers actually paid.
Frequently asked questions
How tall is a 275/55R20 tire in inches?
About 31.9 inches: a 20-inch wheel plus two 5.95-inch sidewalls (275 × 55% = 151.3 mm each).
How wide is a 275/55R20 tire?
10.83 inches of section width (275 mm ÷ 25.4).
What vehicles come with 275/55R20 tires?
In our manufacturer-sourced data: Toyota Tundra — trims and years are in the table above.
Sources
- Toyota Motor Sales, U.S.A., Inc., Toyota 2020 Tundra Owner's Manual (OM0C025U), 8-1. Specifications, Tires and wheels (accessed 2026-11-05).
- Toyota Motor Sales, U.S.A., Inc., Toyota 2021 Tundra Owner's Manual (OM0C039U), 8-1. Specifications, Tires and wheels (accessed 2026-11-05).