255/70R18

Standard Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The 255/70R18 tire size features an overall diameter of 32.06 inches, a section width of 10.0 inches (255mm), and rotates 629 times per mile. It is a standard factory tire fitment on 150+ vehicle models including Ford Bronco.

Shop 255/70R18 Tires on Tire Rack →Buy on Amazon →

Physical Dimensions & Specs

Overall Diameter

32.06"

814.3 mm

Section Width

255 mm

10.04" wide

Sidewall Height

7.03"

178.6 mm (70% aspect)

Revolutions / Mile

629

Circumference: 100.7"

Rim Diameter

18"

Wheel size

Recommended Rim Width

6.4" - 8.9"

Optimal rim width range

Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare 255/70R18 against any proposed tire size below:

Popular Comparisons:
Tire 1 (Stock / Base)255/70R18
Overall Height:32.1"
Sidewall:7.0"
Revs/Mile:629
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682

Visual Tire & Wheel Comparison

Tire 132.1" HeightTire 229.6" Height

Speedometer Variance

-7.7%At 60 mph reading, actual speed is 55.4 mph
IndicatedActual SpeedDiff
20 mph18.5 mph-1.5 mph
30 mph27.7 mph-2.3 mph
45 mph41.5 mph-3.5 mph
60 mph55.4 mph-4.6 mph
75 mph69.2 mph-5.8 mph
90 mph83.0 mph-7.0 mph

Fender & Suspension Clearance

Fitment Status: MODERATE RISK

Flush fitment. Extends 17.7mm outwards. Check wheel arch clearance under full suspension compression.

Inner Strut Space:7.7mm LESS clearance
Outer Fender Push:Extends 17.7mm further out
Ride Height Delta:-1.24" lower ground clearance

Vehicles That Fit 255/70R18 (150+ Models)

Factory standard and optional vehicle fitments utilizing 255/70R18 tires:

YearMake & ModelTrim / VariantLookup Specs
2021Ford BroncoOuter Banks, 2D Utility, 2.3L Eng VIN H, Automatic T/Case ControlView 2021 Bronco
2021Ford BroncoOuter Banks, 2D Utility, 2.3L Eng VIN H, Part Time T/Case ControlView 2021 Bronco
2021Ford BroncoOuter Banks, 2D Utility, 2.7L Eng VIN P, Automatic T/Case ControlView 2021 Bronco
2021Ford BroncoOuter Banks, 2D Utility, 2.7L Eng VIN P, Part Time T/Case ControlView 2021 Bronco
2021Ford BroncoOuter Banks, 4D Utility, 2.3L Eng VIN H, Part Time T/Case ControlView 2021 Bronco
2021Ford BroncoOuter Banks, 4D Utility, 2.3L Eng VIN H, Automatic T/Case ControlView 2021 Bronco
2021Ford BroncoOuter Banks, 4D Utility, 2.7L Eng VIN P, Automatic T/Case ControlView 2021 Bronco
2021Ford BroncoOuter Banks, 4D Utility, 2.7L Eng VIN P, Part Time T/Case ControlView 2021 Bronco
2022Ford BroncoOuter Banks, 2D Utility, 2.3L Eng VIN H, Automatic T/Case ControlView 2022 Bronco
2022Ford BroncoOuter Banks, 2D Utility, 2.3L Eng VIN H, Part Time T/Case ControlView 2022 Bronco
2022Ford BroncoOuter Banks, 2D Utility, 2.7L Eng VIN P, Part Time T/Case ControlView 2022 Bronco
2022Ford BroncoOuter Banks, 2D Utility, 2.7L Eng VIN P, Automatic T/Case ControlView 2022 Bronco
2022Ford BroncoOuter Banks, 4D Utility, 2.3L Eng VIN H, Automatic T/Case ControlView 2022 Bronco
2022Ford BroncoOuter Banks, 4D Utility, 2.3L Eng VIN H, Part Time T/Case ControlView 2022 Bronco
2022Ford BroncoOuter Banks, 4D Utility, 2.7L Eng VIN P, Part Time T/Case ControlView 2022 Bronco
2022Ford BroncoOuter Banks, 4D Utility, 2.7L Eng VIN P, Automatic T/Case ControlView 2022 Bronco
2023Ford BroncoOuter Banks, 2D Utility, 2.3L Eng VIN H, Automatic T/Case ControlView 2023 Bronco
2023Ford BroncoOuter Banks, 2D Utility, 2.3L Eng VIN H, Part Time T/Case ControlView 2023 Bronco
2023Ford BroncoOuter Banks, 2D Utility, 2.7L Eng VIN P, Automatic T/Case ControlView 2023 Bronco
2023Ford BroncoOuter Banks, 2D Utility, 2.7L Eng VIN P, Part Time T/Case ControlView 2023 Bronco
2023Ford BroncoOuter Banks, 4D Utility, 2.3L Eng VIN H, Automatic T/Case ControlView 2023 Bronco
2023Ford BroncoOuter Banks, 4D Utility, 2.3L Eng VIN H, Part Time T/Case ControlView 2023 Bronco
2023Ford BroncoOuter Banks, 4D Utility, 2.7L Eng VIN P, Automatic T/Case ControlView 2023 Bronco
2023Ford BroncoOuter Banks, 4D Utility, 2.7L Eng VIN P, Part Time T/Case ControlView 2023 Bronco
2024Ford BroncoOuter Banks, 2.3L Eng VIN H, Automatic T/Case ControlView 2024 Bronco
2024Ford BroncoOuter Banks, 2.3L Eng VIN H, Part Time T/Case ControlView 2024 Bronco
2024Ford BroncoOuter Banks, 2.7L Eng VIN P, Part Time T/Case ControlView 2024 Bronco
2024Ford BroncoOuter Banks, 2.7L Eng VIN P, Automatic T/Case ControlView 2024 Bronco
2025Ford BroncoOuter Banks, 2.7L Eng VIN PView 2025 Bronco
2025Ford BroncoOuter Banks, 2.3L Eng VIN HView 2025 Bronco
2018Jeep WranglerUnlimited Sahara, 2.0L Eng VIN N, Full Time T/Case ControlView 2018 Wrangler
2018Jeep WranglerUnlimited Sahara, 2.0L Eng VIN N, Part Time T/Case ControlView 2018 Wrangler
2018Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Full Time T/Case Control, Automatic TransView 2018 Wrangler
2018Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Full Time T/Case Control, Standard TransView 2018 Wrangler
2018Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Part Time T/Case Control, Automatic TransView 2018 Wrangler
2018Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Part Time T/Case Control, Standard TransView 2018 Wrangler
2019Jeep WranglerUnlimited Sahara, 2.0L Eng VIN N, Full Time T/Case ControlView 2019 Wrangler
2019Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Part Time T/Case Control, Automatic TransView 2019 Wrangler
2019Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Part Time T/Case Control, Standard TransView 2019 Wrangler
2019Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Full Time T/Case Control, Standard TransView 2019 Wrangler
2019Jeep WranglerUnlimited Sahara, 2.0L Eng VIN N, Part Time T/Case ControlView 2019 Wrangler
2019Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Full Time T/Case Control, Automatic TransView 2019 Wrangler
2020Jeep GladiatorAltitude, Automatic TransView 2020 Gladiator
2020Jeep GladiatorAltitude, Standard TransView 2020 Gladiator
2020Jeep GladiatorOverland, Automatic TransView 2020 Gladiator
2020Jeep GladiatorOverland, Standard TransView 2020 Gladiator
2020Jeep WranglerUnlimited Sahara, 3.0L Eng VIN M, Full Time T/Case ControlView 2020 Wrangler
2020Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case ControlView 2020 Wrangler
2020Jeep WranglerUnlimited Sahara, 3.0L Eng VIN M, Part Time T/Case ControlView 2020 Wrangler
2020Jeep WranglerUnlimited Sahara, 2.0L Eng VIN N, Full Time T/Case ControlView 2020 Wrangler
2020Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case ControlView 2020 Wrangler
2020Jeep WranglerUnlimited Sahara, 2.0L Eng VIN N, Part Time T/Case ControlView 2020 Wrangler
2020Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERG, Part Time T/Case ControlView 2020 Wrangler
2020Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERG, Full Time T/Case ControlView 2020 Wrangler
2021Jeep Gladiator80th Anniversary Edition, 3.0L Eng VIN M, Full Time T/Case ControlView 2021 Gladiator
2021Jeep Gladiator80th Anniversary Edition, 3.0L Eng VIN M, Part Time T/Case ControlView 2021 Gladiator
2021Jeep Gladiator80th Anniversary Edition, 3.6L Eng VIN G, Part Time T/Case ControlView 2021 Gladiator
2021Jeep Gladiator80th Anniversary Edition, 3.6L Eng VIN G, Full Time T/Case ControlView 2021 Gladiator
2021Jeep GladiatorOverland, 3.0L Eng VIN M, Full Time T/Case ControlView 2021 Gladiator
2021Jeep GladiatorOverland, 3.0L Eng VIN M, Part Time T/Case ControlView 2021 Gladiator
2021Jeep GladiatorOverland, 3.6L Eng VIN G, Full Time T/Case Control, Automatic TransView 2021 Gladiator
2021Jeep GladiatorOverland, 3.6L Eng VIN G, Full Time T/Case Control, Standard TransView 2021 Gladiator
2021Jeep GladiatorOverland, 3.6L Eng VIN G, Part Time T/Case Control, Automatic TransView 2021 Gladiator
2021Jeep GladiatorOverland, 3.6L Eng VIN G, Part Time T/Case Control, Standard TransView 2021 Gladiator
2021Jeep Wrangler80th Anniversary, 2.0L Eng VIN N, Part Time T/Case ControlView 2021 Wrangler
2021Jeep Wrangler80th Anniversary, 2.0L Eng VIN N, Full Time T/Case ControlView 2021 Wrangler
2021Jeep Wrangler80th Anniversary, 3.6L Eng VIN G, Eng CD ERG, Full Time T/Case ControlView 2021 Wrangler
2021Jeep Wrangler80th Anniversary, 3.6L Eng VIN G, Eng CD ERG, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited 80th Anniversary, 2.0L Eng VIN N, Full Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited 80th Anniversary, 2.0L Eng VIN N, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited 80th Anniversary, 3.0L Eng VIN M, Full Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited 80th Anniversary, 3.0L Eng VIN M, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited 80th Anniversary, 3.6L Eng VIN G, Eng CD ERG, Full Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited 80th Anniversary, 3.6L Eng VIN G, Eng CD ERG, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara Altitude, 2.0L Eng VIN N, Full Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara Altitude, 2.0L Eng VIN N, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara Altitude, 3.0L Eng VIN M, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case Control, Automatic TransView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara Altitude, 3.0L Eng VIN M, Full Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case Control, Standard TransView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case Control, Automatic TransView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case Control, Standard TransView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara, 2.0L Eng VIN N, Full Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara, 2.0L Eng VIN N, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERG, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara, 3.0L Eng VIN M, Full Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara, 3.0L Eng VIN M, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERG, Full Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case Control, Automatic TransView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case Control, Automatic TransView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case Control, Standard TransView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERG, Full Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERG, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case Control, Standard TransView 2021 Wrangler
2021Jeep WranglerUnlimited Sport Altitude, 2.0L Eng VIN N, Full Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sport Altitude, 2.0L Eng VIN N, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sport Altitude, 3.0L Eng VIN M, Full Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sport Altitude, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case Control, Automatic TransView 2021 Wrangler
2021Jeep WranglerUnlimited Sport Altitude, 3.0L Eng VIN M, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sport Altitude, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case Control, Standard TransView 2021 Wrangler
2021Jeep WranglerUnlimited Sport Altitude, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case Control, Standard TransView 2021 Wrangler
2021Jeep WranglerUnlimited Sport Altitude, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case Control, Automatic TransView 2021 Wrangler
2021Jeep WranglerUnlimited Sport Altitude, 3.6L Eng VIN G, Eng CD ERG, Part Time T/Case ControlView 2021 Wrangler
2021Jeep WranglerUnlimited Sport Altitude, 3.6L Eng VIN G, Eng CD ERG, Full Time T/Case ControlView 2021 Wrangler
2022Jeep GladiatorOverland, 3.6L Eng VIN G, Full Time T/Case Control, Automatic TransView 2022 Gladiator
2022Jeep GladiatorOverland, 3.0L Eng VIN M, Part Time T/Case ControlView 2022 Gladiator
2022Jeep GladiatorOverland, 3.0L Eng VIN M, Full Time T/Case ControlView 2022 Gladiator
2022Jeep GladiatorOverland, 3.6L Eng VIN G, Full Time T/Case Control, Standard TransView 2022 Gladiator
2022Jeep GladiatorOverland, 3.6L Eng VIN G, Part Time T/Case Control, Automatic TransView 2022 Gladiator
2022Jeep GladiatorOverland, 3.6L Eng VIN G, Part Time T/Case Control, Standard TransView 2022 Gladiator
2022Jeep WranglerUnlimited Sahara Altitude, 2.0L Eng VIN N, Part Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara Altitude, 2.0L Eng VIN N, Full Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara Altitude, 3.0L Eng VIN M, Part Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara Altitude, 3.0L Eng VIN M, Full Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case Control, Automatic TransView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case Control, Standard TransView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case Control, Standard TransView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case Control, Automatic TransView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara, 2.0L Eng VIN N, Full Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara, 3.0L Eng VIN M, Full Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERG, Part Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara, 2.0L Eng VIN N, Part Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case Control, Automatic TransView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara, 3.0L Eng VIN M, Part Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERG, Full Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERG, Part Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERG, Full Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case Control, Automatic TransView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case Control, Standard TransView 2022 Wrangler
2022Jeep WranglerUnlimited Sport Altitude, 2.0L Eng VIN N, Part Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sport Altitude, 3.0L Eng VIN M, Full Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sport Altitude, 2.0L Eng VIN N, Full Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sport Altitude, 3.0L Eng VIN M, Part Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sport Altitude, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case Control, Automatic TransView 2022 Wrangler
2022Jeep WranglerUnlimited Sahara, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case Control, Standard TransView 2022 Wrangler
2022Jeep WranglerUnlimited Sport Altitude, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case Control, Standard TransView 2022 Wrangler
2022Jeep WranglerUnlimited Sport Altitude, 3.6L Eng VIN G, Eng CD ERG, Full Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sport Altitude, 3.6L Eng VIN G, Eng CD ERG, Part Time T/Case ControlView 2022 Wrangler
2022Jeep WranglerUnlimited Sport Altitude, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case Control, Standard TransView 2022 Wrangler
2022Jeep WranglerUnlimited Sport Altitude, 3.6L Eng VIN G, Eng CD ERC, Part Time T/Case Control, Automatic TransView 2022 Wrangler
2023Jeep GladiatorOverland, 3.6L Eng VIN G, Full Time T/Case Control, Automatic TransView 2023 Gladiator
2023Jeep GladiatorOverland, 3.0L Eng VIN M, Part Time T/Case ControlView 2023 Gladiator
2023Jeep GladiatorOverland, 3.0L Eng VIN M, Full Time T/Case ControlView 2023 Gladiator
2023Jeep GladiatorOverland, 3.6L Eng VIN G, Part Time T/Case Control, Automatic TransView 2023 Gladiator
2023Jeep GladiatorOverland, 3.6L Eng VIN G, Part Time T/Case Control, Standard TransView 2023 Gladiator
2023Jeep GladiatorOverland, 3.6L Eng VIN G, Full Time T/Case Control, Standard TransView 2023 Gladiator
2023Jeep WranglerUnlimited Sahara Altitude, 2.0L Eng VIN N, Part Time T/Case ControlView 2023 Wrangler
2023Jeep WranglerUnlimited Sahara Altitude, 2.0L Eng VIN N, Full Time T/Case ControlView 2023 Wrangler
2023Jeep WranglerUnlimited Sahara Altitude, 3.6L Eng VIN G, Eng CD ERC, Full Time T/Case ControlView 2023 Wrangler
2023Jeep WranglerUnlimited Sahara Altitude, 3.0L Eng VIN M, Full Time T/Case ControlView 2023 Wrangler