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Tire size · 20-inch wheel · about 33.0x10.8R20

275/60R20 tire size

Overall diameter, nominal33.0 in

Estimate ±838 mm

A 275/60R20 tire is 33.0 in (838 mm) tall and 10.8 in (275 mm) wide on a 20-inch wheel, with a 6.5 in sidewall, and turns about 611 times a mile.

Stock on the Chevrolet Silverado 1500 (2023–2026), Ford Expedition (2025), Ford F-150 (2024–2026) and 3 more, per their makers’ documents.

Width
10.8 in
Sidewall
6.5 in
Wheel
20 in
Revs per mile
611

01 / Dimensions

275/60R20 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.

275/60R20

Estimate ±
Overall diameter
33.0 in 838 mm32.5 to 33.5 in for real tires
Section width
10.8 in 275 mm
Sidewall height
6.5 in 165 mm
Wheel diameter
20 in 508 mm
Circumference
103.6 in 2,633 mm
Revolutions per mile
611 380 per km602 to 621

02 / Stock on

Vehicles that leave the factory on 275/60R20

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 275/60R20 instead.

  • Chevrolet Silverado 1500Maker
    • 2023–2026 · WT Police Pursuit Vehicleprinted 275/60R20

    Chevrolet Silverado 1500 model years on 275/60R20:

    Its other stock sizes

    • 255/70R17 (2023–2026 · WT Special Service Vehicle). 275/60R20 is 1.9 in taller: with a speedometer set for 255/70R17 it reads 5.9% low, 63.7 mph at an indicated 60.
  • Ford ExpeditionMaker
    • 2025 · Platinumprinted P275/60R20

    Ford Expedition model years on 275/60R20:

    Its other stock sizes

    • 275/70R18 (2025 · Tremor). 275/60R20 is 0.2 in shorter: with a speedometer set for 275/70R18 it reads 0.5% high, 59.7 mph at an indicated 60.
    • 265/70R18 (2025 · Active). 275/60R20 is 0.4 in taller: with a speedometer set for 265/70R18 it reads 1.2% low, 60.7 mph at an indicated 60.
  • Ford F-150Maker
    • 2026 · King Ranch 5.5-ft box 4x2; King Ranch 4x4; Platinum 5.5-ft box 4x2; Platinum 4x4printed 275/60R20
    • 2025 · King Ranch; Platinumprinted 275/60R20
    • 2024 · STX 4x2; STX 4x4; Lariat; King Ranch; Platinumprinted 275/60R20

    Ford F-150 model years on 275/60R20:

    Its other stock sizes

    • 37x12.50R17 (2024–2026 · Raptor R; Raptor with the Raptor 37 Package (802A)). 275/60R20 is 4.0 in shorter: with a speedometer set for 37x12.50R17 it reads 12.1% high, 53.5 mph at an indicated 60.
    • 315/70R17 (2024–2026 · Raptor). 275/60R20 is 1.4 in shorter: with a speedometer set for 315/70R17 it reads 4.2% high, 57.6 mph at an indicated 60.
    • 275/70R18 (2024–2026 · Tremor). 275/60R20 is 0.2 in shorter: with a speedometer set for 275/70R18 it reads 0.5% high, 59.7 mph at an indicated 60.
    • 275/65R18 (2024–2026 · STX 4x4; XLT 4x4, Lariat 4x4). 275/60R20 is 0.9 in taller: with a speedometer set for 275/65R18 it reads 2.8% low, 61.7 mph at an indicated 60.
    • 265/70R17 (2024–2026 · XL 4x4). 275/60R20 is 1.4 in taller: with a speedometer set for 265/70R17 it reads 4.2% low, 62.6 mph at an indicated 60.
    • 265/60R18 (2024–2026 · STX 4x2; Lariat 5.5-ft box 4x2). 275/60R20 is 2.5 in taller: with a speedometer set for 265/60R18 it reads 7.5% low, 64.9 mph at an indicated 60.
    • 245/70R17 (2024–2026 · XL 4x2; XLT 4x2). 275/60R20 is 2.5 in taller: with a speedometer set for 245/70R17 it reads 7.5% low, 64.9 mph at an indicated 60.
  • Nissan ArmadaMaker
    • 2021–2024 · SLprinted 275/60R20
    • 2020 · SL, Platinumprinted 275/60R20
    • 2018–2019 · SL, Platinum, Platinum Reserveprinted 275/60R20
    • 2017 · SL, Platinumprinted 275/60R20

    Nissan Armada model years on 275/60R20:

    Its other stock sizes

    • 275/50R22 (2021–2024 · Platinum). 275/60R20 is 0.2 in taller: with a speedometer set for 275/50R22 it reads 0.5% low, 60.3 mph at an indicated 60.
    • 265/70R18 (2017–2024 · SV). 275/60R20 is 0.4 in taller: with a speedometer set for 265/70R18 it reads 1.2% low, 60.7 mph at an indicated 60.
  • Nissan TitanMaker
    • 2022–2024 · Platinum Reserveprinted 275/60R20
    • 2020–2021 · SL, Platinum Reserveprinted 275/60R20
    • 2019 · SL; Platinum Reserveprinted 275/60R20

    Nissan Titan model years on 275/60R20:

    Its other stock sizes

    • 265/75R18 (2019–2021 · S Crew Cab). 275/60R20 is 0.7 in shorter: with a speedometer set for 265/75R18 it reads 2.0% high, 58.8 mph at an indicated 60.
    • 275/70R18 (2019–2024 · PRO-4X). 275/60R20 is 0.2 in shorter: with a speedometer set for 275/70R18 it reads 0.5% high, 59.7 mph at an indicated 60.
    • 265/70R18 (2019–2024 · SV Crew Cab; SV King Cab). 275/60R20 is 0.4 in taller: with a speedometer set for 265/70R18 it reads 1.2% low, 60.7 mph at an indicated 60.
  • Ram 1500Maker
    • 2011 · Sport, Premium; Big Horn / Lone Star, Laramie, SLT, Outdoorsman, Lone Star with the P275/60R20 tires (2011 chart row)printed P275/60R20

    Ram 1500 model years on 275/60R20:

    Its other stock sizes

    • 275/70R17 (2011 · Big Horn / Lone Star, Laramie, ST 4.7L V8/5.7L HEMI V8 without eTorque, SLT, Outdoorsman, Lone Star with the LT275/70R17C tires (2011 chart row), with a package). 275/60R20 is 0.8 in taller: with a speedometer set for 275/70R17 it reads 2.5% low, 61.6 mph at an indicated 60.
    • 265/70R17 (2011 · ST 3.7L V6/5.7L HEMI V8 without eTorque; Big Horn / Lone Star, Laramie, ST 4.7L V8/5.7L HEMI V8 without eTorque, SLT, Outdoorsman, Lone Star with the P265/70R17 tires (2011 chart row)). 275/60R20 is 1.4 in taller: with a speedometer set for 265/70R17 it reads 4.2% low, 62.6 mph at an indicated 60.
    • 285/40R22 (2011 · R/T). 275/60R20 is 2.0 in taller: with a speedometer set for 285/40R22 it reads 6.1% low, 63.9 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 275/60R20

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 275/60R20
SizeTallinHeightvs 275/60R20Widthvs 275/60R20At an indicated 60true mphCompare
285/60R2033.5+0.5 in+0.4 in60.959.9 to 61.8Compare →
275/65R2034.1+1.1 in±0.0 in62.061.0 to 62.9Compare →
35x12.50R2035.0+2.0 in+1.7 in63.762.7 to 64.6Compare →

Next sizes down

Next sizes down, compared with 275/60R20
SizeTallinHeightvs 275/60R20Widthvs 275/60R20At an indicated 60true mphCompare
265/60R2032.5−0.5 in−0.4 in59.158.3 to 60.0Compare →
255/60R2032.0−0.9 in−0.8 in58.357.4 to 59.2Compare →

About as tall, other wheels

About as tall, other wheels, compared with 275/60R20
SizeTallinHeightvs 275/60R20Widthvs 275/60R20At an indicated 60true mphCompare
33x12.50R1533.0±0.0 in+1.7 in60.059.1 to 60.9Compare →
33x12.50R2233.0±0.0 in+1.7 in60.059.1 to 60.9Compare →
225/95R1632.8−0.2 in−2.0 in59.758.8 to 60.6Compare →
285/75R1632.8−0.2 in+0.4 in59.758.8 to 60.6Compare →

04 / Next

Compare it with your size

Tire size calculator275/60R20 against 285/60R20, or any two sizes: height, speedometer and gearing.Compare sizesTire sizes by vehicleEvery stock size on the trucks and SUVs we cover.Browse sizesChevrolet Silverado 1500 tiresStock tires and wheels by trim, and what bigger tires change on the Chevrolet Silverado 1500.See the tiresFord Expedition tiresStock tires and wheels by trim, and what bigger tires change on the Ford Expedition.See the tires

05 / FAQ

Questions people ask

What is 275/60R20 in inches?

About 33.0x10.8R20: 33.0 in tall and 10.8 in wide on a 20-inch wheel.

Which vehicles come with 275/60R20 tires?

In our data: Chevrolet Silverado 1500 (2023–2026), Ford Expedition (2025), Ford F-150 (2024–2026), Nissan Armada (2017–2024), Nissan Titan (2019–2024) and Ram 1500 (2011).

How does 275/60R20 compare with the Ford F-150’s other stock sizes?

275/60R20 is 4.0 in shorter: with a speedometer set for 37x12.50R17 it reads 12.1% high, 53.5 mph at an indicated 60. 275/60R20 is 1.4 in shorter: with a speedometer set for 315/70R17 it reads 4.2% high, 57.6 mph at an indicated 60. 275/60R20 is 0.2 in shorter: with a speedometer set for 275/70R18 it reads 0.5% high, 59.7 mph at an indicated 60.

What is the next size up from 275/60R20?

285/60R20: about 0.5 in taller and 0.4 in wider. On a speedometer set for 275/60R20 it reads 1.4% low (60.9 mph at an indicated 60).