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Tire size · 17-inch wheel · about 34.4x12.4R17

315/70R17 tire size

Overall diameter, nominal34.4 in

Estimate ±873 mm

A 315/70R17 tire is 34.4 in (873 mm) tall and 12.4 in (315 mm) wide on a 17-inch wheel, with a 8.7 in sidewall, and turns about 587 times a mile.

Stock on the Chevrolet Colorado (2024), Ford Bronco (2021–2026), Ford F-150 (2010–2014 and 2017–2026) and 2 more, per their makers’ documents.

Width
12.4 in
Sidewall
8.7 in
Wheel
17 in
Revs per mile
587

01 / Dimensions

315/70R17 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.

315/70R17

Estimate ±
Overall diameter
34.4 in 873 mm33.8 to 34.9 in for real tires
Section width
12.4 in 315 mm
Sidewall height
8.7 in 221 mm
Wheel diameter
17 in 432 mm
Circumference
108.0 in 2,742 mm
Revolutions per mile
587 365 per km578 to 596

02 / Stock on

Vehicles that leave the factory on 315/70R17

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 315/70R17 instead.

  • Chevrolet ColoradoMaker
    • 2024 · ZR2 Bisonprinted LT315/70R17

    Chevrolet Colorado model years on 315/70R17:

    Its other stock sizes

    • 285/70R17 (2024 · ZR2). 315/70R17 is 1.7 in taller: with a speedometer set for 285/70R17 it reads 4.8% low, 63.0 mph at an indicated 60.
  • Ford BroncoMaker
    • 2025–2026 · Heritage Edition, Stroppe Edition; Base, Outer Banks, Badlands with the Sasquatch Package (765); Big Bend with the Black Diamond Package (51D) + Sasquatch Package (765)printed LT315/70R17
    • 2024 · Wildtrak, Heritage Edition, Heritage Limited Edition; Everglades; Big Bend, Black Diamond, Outer Banks, Badlands with the Sasquatch Package (765)printed LT315/70R17
    • 2023 · Wildtrak, Everglades, Heritage Edition, Heritage Limited Edition; Base, Big Bend, Black Diamond, Outer Banks, Badlands with the Sasquatch Package (765)printed LT315/70R17
    • 2022 · Wildtrak, Everglades; Base, Big Bend, Black Diamond, Badlands with the Sasquatch Package (765)printed 315/70R17
    • 2021 · Wildtrak, First Edition; Base, Big Bend, Black Diamond, Outer Banks, Badlands with the Sasquatch Package (765)printed 315/70R17

    Ford Bronco model years on 315/70R17:

    Its other stock sizes

    • 37x12.50R17 (2022–2026 · Raptor). 315/70R17 is 2.6 in shorter: with a speedometer set for 37x12.50R17 it reads 7.7% high, 55.7 mph at an indicated 60.
    • 285/70R17 (2021–2026 · Badlands). 315/70R17 is 1.7 in taller: with a speedometer set for 285/70R17 it reads 4.8% low, 63.0 mph at an indicated 60.
    • 255/75R17 (2021–2026 · Big Bend). 315/70R17 is 2.3 in taller: with a speedometer set for 255/75R17 it reads 6.7% low, 64.3 mph at an indicated 60.
    • 255/70R18 (2021–2026 · Outer Banks). 315/70R17 is 2.3 in taller: with a speedometer set for 255/70R18 it reads 6.7% low, 64.3 mph at an indicated 60.
    • 265/70R17 (2021–2026 · Big Bend with the Black Diamond Package (51D), Free Wheeling Package (51F) or Black Appearance Package (51E); Outer Banks with the Black Appearance Package (51E)). 315/70R17 is 2.8 in taller: with a speedometer set for 265/70R17 it reads 8.0% low, 65.2 mph at an indicated 60.
    • 255/70R16 (2021–2023 and 2025–2026 · Base). 315/70R17 is 4.3 in taller: with a speedometer set for 255/70R16 it reads 12.5% low, 68.6 mph at an indicated 60.
  • Ford F-150Maker
    • 2026 · Raptorprinted LT315/70R17
    • 2025 · Raptor; Raptor with the Raptor 37 Package (802A)printed LT315/70R17
    • 2023–2024 · Raptorprinted LT315/70R17
    • 2022 · Raptor; Raptor with the Raptor 37 Package (802A)printed LT315/70R17
    • 2017–2021 · Raptorprinted LT315/70R17
    • 2010–2014 · SVT Raptorprinted LT315/70R17

    Ford F-150 model years on 315/70R17:

    Its other stock sizes

    • 37x12.50R17 (2021 and 2023–2026 · Raptor R; Raptor with the Raptor 37 Package (802A)). 315/70R17 is 2.6 in shorter: with a speedometer set for 37x12.50R17 it reads 7.7% high, 55.7 mph at an indicated 60.
    • 275/70R18 (2021–2026 · Tremor). 315/70R17 is 1.2 in taller: with a speedometer set for 275/70R18 it reads 3.5% low, 62.2 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). 315/70R17 is 1.4 in taller: with a speedometer set for 275/60R20 it reads 4.0% low, 62.5 mph at an indicated 60.
    • 275/65R18 (2024–2026 · STX 4x4; XLT 4x4, Lariat 4x4). 315/70R17 is 2.3 in taller: with a speedometer set for 275/65R18 it reads 6.7% low, 64.3 mph at an indicated 60.
    • 275/45R22 (2017 and 2019–2020 · Limited). 315/70R17 is 2.6 in taller: with a speedometer set for 275/45R22 it reads 7.6% low, 64.9 mph at an indicated 60.
    • 265/70R17 (2017–2026 · XL 4x4). 315/70R17 is 2.8 in taller: with a speedometer set for 265/70R17 it reads 8.0% low, 65.2 mph at an indicated 60.
    • 245/75R17 (2010–2012 and 2014 · Series not specified 4x2 with the Heavy-Duty Payload Package (627); Series not specified 4x4 with the Heavy-Duty Payload Package (627), with a package). 315/70R17 is 2.9 in taller: with a speedometer set for 245/75R17 it reads 8.4% low, 65.5 mph at an indicated 60.
    • 235/75R17 (2010–2012 and 2014 · Series not specified 4x2; Series not specified 4x4). 315/70R17 is 3.5 in taller: with a speedometer set for 235/75R17 it reads 10.1% low, 66.8 mph at an indicated 60.
    • 265/60R18 (2024–2026 · STX 4x2; Lariat 5.5-ft box 4x2). 315/70R17 is 3.8 in taller: with a speedometer set for 265/60R18 it reads 11.2% low, 67.6 mph at an indicated 60.
    • 245/70R17 (2017–2026 · XL 4x2; XLT 4x2). 315/70R17 is 3.9 in taller: with a speedometer set for 245/70R17 it reads 11.2% low, 67.6 mph at an indicated 60.
    • 235/70R17 (2010 · Series not specified 4x2, Harley-Davidson 4x2). 315/70R17 is 4.4 in taller: with a speedometer set for 235/70R17 it reads 12.8% low, 68.8 mph at an indicated 60.
  • Jeep GladiatorMaker
    • 2026 · Sport with the Tire option LT315/70R17Cprinted LT315/70R17C

    Jeep Gladiator model years on 315/70R17:

    Its other stock sizes

    • 285/70R17 (2026 · Mojave, Rubicon; Mojave, Rubicon with the Optional mud-terrain tires (same size as the standard tires)). 315/70R17 is 1.7 in taller: with a speedometer set for 285/70R17 it reads 4.8% low, 63.0 mph at an indicated 60.
    • 255/75R17 (2026 · Willys; Sport with the Tire option LT255/75R17C; Willys with the Optional mud-terrain tires (same size as the standard tires); Rubicon with the Tire option LT255/75R17C). 315/70R17 is 2.3 in taller: with a speedometer set for 255/75R17 it reads 6.7% low, 64.3 mph at an indicated 60.
    • 255/70R18 (2026 · Sport with the Tire option 255/70R18, with a package). 315/70R17 is 2.3 in taller: with a speedometer set for 255/70R18 it reads 6.7% low, 64.3 mph at an indicated 60.
    • 245/75R17 (2026 · Sport, Sport S). 315/70R17 is 2.9 in taller: with a speedometer set for 245/75R17 it reads 8.4% low, 65.5 mph at an indicated 60.
  • Jeep WranglerMaker
    • 2026 · Moab 392; Sport with the LT315/70R17C tires; Rubicon with the Xtreme 35 Package or LT315/70R17C tiresprinted LT315/70R17C
    • 2025 · Rubicon 392; Sport with the LT315/70R17C tires; Rubicon 2.0L turbo I-4 gasoline/3.6L Pentastar V6 gasoline with the LT315/70R17C tires or Xtreme 35 Packageprinted LT315/70R17C
    • 2024 · Rubicon 392; Sport Two-door/Four-door with the LT315/70R17C tires; Rubicon 2.0L turbo I-4 gasoline/3.6L Pentastar V6 gasoline with the LT315/70R17C tires or Xtreme 35 Packageprinted LT315/70R17C
    • 2022–2023 · Rubicon Four-door 2.0L turbo I-4 gasoline/3.6L Pentastar V6 gasoline/3.0L diesel, Rubicon 392 with the Xtreme Recon Packageprinted LT315/70R17C
    • 2021 · Rubicon Four-door 2.0L turbo I-4 gasoline/3.6L Pentastar V6 gasoline/3.0L diesel with the Xtreme Recon Package; Rubicon 392 with the Xtreme Recon Packageprinted LT315/70R17C

    Jeep Wrangler model years on 315/70R17:

    Its other stock sizes

    • 285/75R17 (2024–2026 · Sport with the LT285/75R17C tires, with a package). 315/70R17 is 0.5 in taller: with a speedometer set for 285/75R17 it reads 1.5% low, 60.9 mph at an indicated 60.
    • 285/70R17 (2021–2026 · Rubicon; Rubicon with the Beadlock-capable 17 x 8 in. wheels). 315/70R17 is 1.7 in taller: with a speedometer set for 285/70R17 it reads 4.8% low, 63.0 mph at an indicated 60.
    • 255/75R17 (2021–2025 · Rubicon with the LT255/75R17C tires). 315/70R17 is 2.3 in taller: with a speedometer set for 255/75R17 it reads 6.7% low, 64.3 mph at an indicated 60.
    • 255/70R18 (2021–2026 · Sahara; Sahara with the All-terrain tires (same size as the standard tires)). 315/70R17 is 2.3 in taller: with a speedometer set for 255/70R18 it reads 6.7% low, 64.3 mph at an indicated 60.
    • 255/60R20 (2024–2025 · Sport S). 315/70R17 is 2.3 in taller: with a speedometer set for 255/60R20 it reads 6.7% low, 64.3 mph at an indicated 60.
    • 275/55R20 (2021–2025 · Sahara 2.0L turbo I-4 4xe plug-in hybrid; High Altitude). 315/70R17 is 2.5 in taller: with a speedometer set for 275/55R20 it reads 7.1% low, 64.6 mph at an indicated 60.
    • 245/75R17 (2021–2026 · Sport; Sport with the All-terrain tires (same size as the standard tires); Sport with the 245/75R17 tires). 315/70R17 is 2.9 in taller: with a speedometer set for 245/75R17 it reads 8.4% low, 65.5 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 315/70R17

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 315/70R17
SizeTallinHeightvs 315/70R17Widthvs 315/70R17At an indicated 60true mphCompare
35x12.50R1735.0+0.6 in+0.1 in61.160.2 to 62.0Compare →
37x12.50R1737.0+2.6 in+0.1 in64.663.6 to 65.6Compare →

Next sizes down

Next sizes down, compared with 315/70R17
SizeTallinHeightvs 315/70R17Widthvs 315/70R17At an indicated 60true mphCompare
285/75R1733.8−0.5 in−1.2 in59.158.2 to 60.0Compare →
285/70R1732.7−1.7 in−1.2 in57.156.3 to 58.0Compare →

About as tall, other wheels

About as tall, other wheels, compared with 315/70R17
SizeTallinHeightvs 315/70R17Widthvs 315/70R17At an indicated 60true mphCompare
295/70R1834.3−0.1 in−0.8 in59.858.9 to 60.7Compare →
315/75R1634.6+0.2 in±0.0 in60.459.5 to 61.3Compare →
325/65R1834.6+0.3 in+0.4 in60.559.6 to 61.4Compare →
275/65R2034.1−0.3 in−1.6 in59.558.6 to 60.4Compare →

04 / Next

Compare it with your size

Tire size calculator315/70R17 against 35x12.50R17, or any two sizes: height, speedometer and gearing.Compare sizesTire sizes by vehicleEvery stock size on the trucks and SUVs we cover.Browse sizesChevrolet Colorado tiresStock tires and wheels by trim, and what bigger tires change on the Chevrolet Colorado.See the tiresFord Bronco tiresStock tires and wheels by trim, and what bigger tires change on the Ford Bronco.See the tires

05 / FAQ

Questions people ask

What is 315/70R17 in inches?

About 34.4x12.4R17: 34.4 in tall and 12.4 in wide on a 17-inch wheel.

Which vehicles come with 315/70R17 tires?

In our data: Chevrolet Colorado (2024), Ford Bronco (2021–2026), Ford F-150 (2010–2014 and 2017–2026), Jeep Gladiator (2026, with a package) and Jeep Wrangler (2021–2026).

How does 315/70R17 compare with the Ford F-150’s other stock sizes?

315/70R17 is 2.6 in shorter: with a speedometer set for 37x12.50R17 it reads 7.7% high, 55.7 mph at an indicated 60. 315/70R17 is 1.2 in taller: with a speedometer set for 275/70R18 it reads 3.5% low, 62.2 mph at an indicated 60. 315/70R17 is 1.4 in taller: with a speedometer set for 275/60R20 it reads 4.0% low, 62.5 mph at an indicated 60.

What is the next size up from 315/70R17?

35x12.50R17: about 0.6 in taller and 0.1 in wider. On a speedometer set for 315/70R17 it reads 1.8% low (61.1 mph at an indicated 60).