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Tire size · 18-inch wheel · about 32.6x11.2R18

285/65R18 tire size

Overall diameter, nominal32.6 in

Estimate ±828 mm

A 285/65R18 tire is 32.6 in (828 mm) tall and 11.2 in (285 mm) wide on a 18-inch wheel, with a 7.3 in sidewall, and turns about 619 times a mile.

Stock on the Toyota Sequoia (2023–2026) and Toyota Tundra (2022–2026), per their makers’ documents.

Width
11.2 in
Sidewall
7.3 in
Wheel
18 in
Revs per mile
619

01 / Dimensions

285/65R18 in inches and millimeters

What the size code works out to. A real tire of the size measures within about 1.5% of it, by brand, tread, wheel width and pressure.

285/65R18

Estimate ±
Overall diameter
32.6 in 828 mm32.1 to 33.1 in for real tires
Section width
11.2 in 285 mm
Sidewall height
7.3 in 185 mm
Wheel diameter
18 in 457 mm
Circumference
102.4 in 2,600 mm
Revolutions per mile
619 385 per km610 to 628

02 / Stock on

Vehicles that leave the factory on 285/65R18

Which configurations run it in which model years, printed the way each maker prints the size, and how it compares with the vehicle’s other stock sizes. A speedometer set for one of those reads off by the amount shown when you fit 285/65R18 instead.

  • Toyota SequoiaMaker
    • 2023–2026 · TRD Proprinted P285/65R18

    Toyota Sequoia model years on 285/65R18:

    Its other stock sizes

    • 265/70R18 (2023–2026 · SR5). 285/65R18 is the same height as 265/70R18, so a speedometer set for it reads true.
    • 265/60R20 (2023–2026 · Limited; Platinum). 285/65R18 is 0.1 in taller: with a speedometer set for 265/60R20 it reads 0.2% low, 60.1 mph at an indicated 60.
    • 265/50R22 (2023–2026 · Capstone). 285/65R18 is 0.2 in taller: with a speedometer set for 265/50R22 it reads 0.5% low, 60.3 mph at an indicated 60.
  • Toyota TundraMaker
    • 2022–2026 · TRD Proprinted P285/65R18

    Toyota Tundra model years on 285/65R18:

    Its other stock sizes

    • 265/70R18 (2022–2026 · SR5). 285/65R18 is the same height as 265/70R18, so a speedometer set for it reads true.
    • 265/60R20 (2022–2026 · Limited, Platinum, 1794 Edition). 285/65R18 is 0.1 in taller: with a speedometer set for 265/60R20 it reads 0.2% low, 60.1 mph at an indicated 60.
    • 245/75R18 (2022–2026 · SR). 285/65R18 is 0.1 in taller: with a speedometer set for 245/75R18 it reads 0.4% low, 60.2 mph at an indicated 60.
    • 265/50R22 (2022–2026 · Capstone). 285/65R18 is 0.2 in taller: with a speedometer set for 265/50R22 it reads 0.5% low, 60.3 mph at an indicated 60.

Documents last checked . How we read them and what the marks mean: how we source the numbers. A figure doesn’t match its document? Report a wrong number.

03 / Nearby sizes

Sizes either side of 285/65R18

The nearest common upsizes and the next sizes down on the same wheel, from the stock sizes we cover and the sizes owners usually step up to, and sizes about as tall on another wheel.

Nearest sizes up

Nearest sizes up, compared with 285/65R18
SizeTallinHeightvs 285/65R18Widthvs 285/65R18At an indicated 60true mphCompare
275/70R1833.2+0.6 in−0.4 in61.160.1 to 62.0Compare →
265/75R1833.6+1.1 in−0.8 in62.061.0 to 62.9Compare →
295/70R1834.3+1.7 in+0.4 in63.162.1 to 64.0Compare →

Next sizes down

Next sizes down, compared with 285/65R18
SizeTallinHeightvs 285/65R18Widthvs 285/65R18At an indicated 60true mphCompare
245/75R1832.5−0.1 in−1.6 in59.858.9 to 60.7Compare →
275/65R1832.1−0.5 in−0.4 in59.158.2 to 59.9Compare →

About as tall, other wheels

About as tall, other wheels, compared with 285/65R18
SizeTallinHeightvs 285/65R18Widthvs 285/65R18At an indicated 60true mphCompare
265/60R2032.5−0.1 in−0.8 in59.959.0 to 60.8Compare →
285/70R1732.7+0.1 in±0.0 in60.259.3 to 61.1Compare →
265/50R2232.4−0.2 in−0.8 in59.758.8 to 60.6Compare →
305/45R2232.8+0.2 in+0.8 in60.459.5 to 61.3Compare →

04 / Next

Compare it with your size

Tire size calculator285/65R18 against 275/70R18, or any two sizes: height, speedometer and gearing.Compare sizesTire sizes by vehicleEvery stock size on the trucks and SUVs we cover.Browse sizesToyota Sequoia tiresStock tires and wheels by trim, and what bigger tires change on the Toyota Sequoia.See the tiresToyota Tundra tiresStock tires and wheels by trim, and what bigger tires change on the Toyota Tundra.See the tires

05 / FAQ

Questions people ask

What is 285/65R18 in inches?

About 32.6x11.2R18: 32.6 in tall and 11.2 in wide on a 18-inch wheel.

Which vehicles come with 285/65R18 tires?

In our data: Toyota Sequoia (2023–2026) and Toyota Tundra (2022–2026).

How does 285/65R18 compare with the Toyota Tundra’s other stock sizes?

285/65R18 is the same height as 265/70R18, so a speedometer set for it reads true. 285/65R18 is 0.1 in taller: with a speedometer set for 265/60R20 it reads 0.2% low, 60.1 mph at an indicated 60. 285/65R18 is 0.1 in taller: with a speedometer set for 245/75R18 it reads 0.4% low, 60.2 mph at an indicated 60.

What is the next size up from 285/65R18?

275/70R18: about 0.6 in taller and 0.4 in narrower. On a speedometer set for 285/65R18 it reads 1.7% low (61.1 mph at an indicated 60).