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Tire size · 17-inch wheel · about 30.5x9.6R17

245/70R17 tire size

Overall diameter, nominal30.5 in

Estimate ±775 mm

A 245/70R17 tire is 30.5 in (775 mm) tall and 9.6 in (245 mm) wide on a 17-inch wheel, with a 6.8 in sidewall, and turns about 661 times a mile.

Stock on the Chevrolet Silverado 1500 (2007–2013, with a package), Ford F-150 (2016–2026), Ram 2500 (2011, 2013 and 2026) and 2 more, per their makers’ documents.

Width
9.6 in
Sidewall
6.8 in
Wheel
17 in
Revs per mile
661

01 / Dimensions

245/70R17 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.

245/70R17

Estimate ±
Overall diameter
30.5 in 775 mm30.0 to 31.0 in for real tires
Section width
9.6 in 245 mm
Sidewall height
6.8 in 172 mm
Wheel diameter
17 in 432 mm
Circumference
95.8 in 2,434 mm
Revolutions per mile
661 411 per km651 to 671

02 / Stock on

Vehicles that leave the factory on 245/70R17

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 245/70R17 instead.

  • Chevrolet Silverado 1500Maker
    • 2013 · Trim not specified, XFE, Hybrid (1HY, 2HY) with the P245/70R17 tires; Trim not specified, XFE, Hybrid (1HY, 2HY) with the LT245/70R17 tiresprinted P245/70R17, LT245/70R17
    • 2011–2012 · WT, LS, LT, LTZ, XFE, Hybrid (1HY, 2HY) with the P245/70R17 tires; WT, LS, LT, LTZ Short bed/Standard bed, XFE, Hybrid (1HY, 2HY) with the LT245/70R17 tiresprinted P245/70R17, LT245/70R17
    • 2010 · Trim not specified, XFE, Hybrid (1HY, 2HY) with the P245/70R17 tires; Trim not specified, XFE, Hybrid (1HY, 2HY) with the LT245/70R17 tiresprinted P245/70R17, LT245/70R17
    • 2007–2009 · Trim not specified with the P245/70R17 tires; Trim not specified with the LT245/70R17 tiresprinted P245/70R17, LT245/70R17

    Chevrolet Silverado 1500 model years on 245/70R17:

    Its other stock sizes

    • 275/55R20 (2007–2013 · Trim not specified Short bed/Standard bed, XFE, Hybrid (1HY, 2HY) with the P275/55R20 tires, with a package). 245/70R17 is 1.4 in shorter: with a speedometer set for 275/55R20 it reads 4.6% high, 57.4 mph at an indicated 60.
    • 265/70R17 (2007–2013 · Trim not specified, XFE, Hybrid (1HY, 2HY) with the P265/70R17 tires, with a package). 245/70R17 is 1.1 in shorter: with a speedometer set for 265/70R17 it reads 3.6% high, 57.9 mph at an indicated 60.
    • 265/65R18 (2007–2013 · Trim not specified, XFE, Hybrid (1HY, 2HY) with the P265/65R18 tires, with a package). 245/70R17 is 1.1 in shorter: with a speedometer set for 265/65R18 it reads 3.5% high, 58.0 mph at an indicated 60.
  • Ford F-150Maker
    • 2026 · XL 4x2; XLT 4x2printed 245/70R17
    • 2025 · XL 5.0L V8/2.7L EcoBoost V6/3.5L EcoBoost V6 4x2; XLT 2.7L EcoBoost V6/5.0L V8/3.5L EcoBoost V6 4x2printed 245/70R17
    • 2024 · XL 5.0L V8/2.7L EcoBoost V6/3.5L EcoBoost V6 4x2printed 245/70R17
    • 2022–2023 · Series not specified 4x2printed 245/70R17
    • 2021 · Series not specified 3.3L Ti-VCT V6/2.7L EcoBoost V6/5.0L V8/3.5L EcoBoost V6/3.5L PowerBoost Full Hybrid V6 4x2printed 245/70R17
    • 2018–2020 · Series not specified 4x2printed 245/70R17
    • 2017 · Series not specified 2.7L EcoBoost V6/5.0L V8/3.5L EcoBoost V6 4x2printed 245/70R17
    • 2016 · Series not specified 4x2printed 245/70R17

    Ford F-150 model years on 245/70R17:

    Its other stock sizes

    • 37x12.50R17 (2021 and 2023–2026 · Raptor R; Raptor with the Raptor 37 Package (802A)). 245/70R17 is 6.5 in shorter: with a speedometer set for 37x12.50R17 it reads 21.3% high, 49.5 mph at an indicated 60.
    • 315/70R17 (2017–2026 · Raptor). 245/70R17 is 3.9 in shorter: with a speedometer set for 315/70R17 it reads 12.6% high, 53.3 mph at an indicated 60.
    • 275/70R18 (2021–2026 · Tremor). 245/70R17 is 2.7 in shorter: with a speedometer set for 275/70R18 it reads 8.7% high, 55.2 mph at an indicated 60.
    • 275/60R20 (2024–2026 · King Ranch 5.5-ft box 4x2; King Ranch 4x4; Platinum 5.5-ft box 4x2; Platinum 4x4). 245/70R17 is 2.5 in shorter: with a speedometer set for 275/60R20 it reads 8.2% high, 55.5 mph at an indicated 60.
    • 275/65R18 (2024–2026 · STX 4x4; XLT 4x4, Lariat 4x4). 245/70R17 is 1.6 in shorter: with a speedometer set for 275/65R18 it reads 5.1% high, 57.1 mph at an indicated 60.
    • 275/45R22 (2017 and 2019–2020 · Limited). 245/70R17 is 1.2 in shorter: with a speedometer set for 275/45R22 it reads 4.1% high, 57.7 mph at an indicated 60.
    • 265/70R17 (2016–2026 · XL 4x4). 245/70R17 is 1.1 in shorter: with a speedometer set for 265/70R17 it reads 3.6% high, 57.9 mph at an indicated 60.
    • 265/60R18 (2024–2026 · STX 4x2; Lariat 5.5-ft box 4x2). 245/70R17 is the same height as 265/60R18, so a speedometer set for it reads true.
  • Ram 2500Maker
    • 2026 · Tradesman with the Tire option LT245/70R17Eprinted LT245/70R17E
    • 2013 · Tradesman, STprinted LT245/70R17E
    • 2011 · STprinted LT245/70R17E

    Ram 2500 model years on 245/70R17:

    Its other stock sizes

    • 285/60R20 (2026 · Tradesman, Big Horn, Laramie, Limited, Power Wagon with the Tire option LT285/60R20E, with a package). 245/70R17 is 3.0 in shorter: with a speedometer set for 285/60R20 it reads 9.7% high, 54.7 mph at an indicated 60.
    • 275/70R18 (2026 · Tradesman, Big Horn, Laramie, Limited with the Tire option LT275/70R18E, with a package). 245/70R17 is 2.7 in shorter: with a speedometer set for 275/70R18 it reads 8.7% high, 55.2 mph at an indicated 60.
    • 285/70R17 (2011, 2013 and 2026 · Tradesman 4x4, Power Wagon with the Tire option LT285/70R17D). 245/70R17 is 2.2 in shorter: with a speedometer set for 285/70R17 it reads 7.2% high, 56.0 mph at an indicated 60.
    • 265/70R17 (2011 and 2013 · Big Horn, Laramie, SLT, Outdoorsman, Lone Star, Laramie Longhorn). 245/70R17 is 1.1 in shorter: with a speedometer set for 265/70R17 it reads 3.6% high, 57.9 mph at an indicated 60.
  • Toyota LandCruiser PradoMaker
    • 2010–2012 · Australia · GXprinted 245/70R17

    Toyota LandCruiser Prado model years on 245/70R17:

    Its other stock sizes

    • 265/65R17 (2010–2012 · GXL, SX, Altitude). 245/70R17 is 0.1 in shorter: with a speedometer set for 265/65R17 it reads 0.2% high, 59.9 mph at an indicated 60.
    • 265/60R18 (2010–2012 · VX, Kakadu, ZR). 245/70R17 is the same height as 265/60R18, so a speedometer set for it reads true.
  • Toyota TacomaMaker
    • 2024–2026 · SR; SR5printed 245/70R17

    Toyota Tacoma model years on 245/70R17:

    Its other stock sizes

    • 265/70R18 (2024–2026 · TRD Off-Road 5-ft bed i-FORCE MAX 2.4L turbocharged 4-cylinder hybrid; TRD Pro, Trailhunter). 245/70R17 is 2.1 in shorter: with a speedometer set for 265/70R18 it reads 6.9% high, 56.1 mph at an indicated 60.
    • 265/70R17 (2024–2026 · TRD PreRunner, TRD Off-Road i-FORCE 2.4L turbocharged 4-cylinder). 245/70R17 is 1.1 in shorter: with a speedometer set for 265/70R17 it reads 3.6% high, 57.9 mph at an indicated 60.
    • 265/65R18 (2024–2026 · TRD Sport, Limited). 245/70R17 is 1.1 in shorter: with a speedometer set for 265/65R18 it reads 3.5% high, 58.0 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 245/70R17

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 245/70R17
SizeTallinHeightvs 245/70R17Widthvs 245/70R17At an indicated 60true mphCompare
265/65R1730.6+0.1 in+0.8 in60.159.2 to 61.0Compare →
235/75R1730.9+0.4 in−0.4 in60.759.8 to 61.6Compare →
255/70R1731.1+0.6 in+0.4 in61.160.2 to 62.0Compare →

Next sizes down

Next sizes down, compared with 245/70R17
SizeTallinHeightvs 245/70R17Widthvs 245/70R17At an indicated 60true mphCompare
255/65R1730.1−0.5 in+0.4 in59.158.2 to 60.0Compare →
235/70R1730.0−0.6 in−0.4 in58.958.0 to 59.8Compare →

About as tall, other wheels

About as tall, other wheels, compared with 245/70R17
SizeTallinHeightvs 245/70R17Widthvs 245/70R17At an indicated 60true mphCompare
265/60R1830.5±0.0 in+0.8 in60.059.1 to 60.9Compare →
245/75R1630.5±0.0 in±0.0 in59.959.0 to 60.8Compare →
265/70R1630.6+0.1 in+0.8 in60.259.3 to 61.1Compare →
265/75R1530.6+0.1 in+0.8 in60.359.4 to 61.2Compare →

04 / Next

Compare it with your size

Tire size calculator245/70R17 against 265/65R17, 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 F-150 tiresStock tires and wheels by trim, and what bigger tires change on the Ford F-150.See the tires

05 / FAQ

Questions people ask

What is 245/70R17 in inches?

About 30.5x9.6R17: 30.5 in tall and 9.6 in wide on a 17-inch wheel.

Which vehicles come with 245/70R17 tires?

In our data: Chevrolet Silverado 1500 (2007–2013, with a package), Ford F-150 (2016–2026), Ram 2500 (2011, 2013 and 2026), Toyota LandCruiser Prado (2010–2012) and Toyota Tacoma (2024–2026).

How does 245/70R17 compare with the Ford F-150’s other stock sizes?

245/70R17 is 6.5 in shorter: with a speedometer set for 37x12.50R17 it reads 21.3% high, 49.5 mph at an indicated 60. 245/70R17 is 3.9 in shorter: with a speedometer set for 315/70R17 it reads 12.6% high, 53.3 mph at an indicated 60. 245/70R17 is 2.7 in shorter: with a speedometer set for 275/70R18 it reads 8.7% high, 55.2 mph at an indicated 60.

What is the next size up from 245/70R17?

265/65R17: about 0.1 in taller and 0.8 in wider. On a speedometer set for 245/70R17 it reads 0.2% low (60.1 mph at an indicated 60).