P255/60R18

Passenger / P-Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The P255/60R18 tire size features an overall diameter of 30.05 inches, a section width of 10.0 inches (255mm), and rotates 671 times per mile. It is a standard factory tire fitment on 27+ vehicle models including Mazda CX-9.

Shop P255/60R18 Tires on Tire Rack →Buy on Amazon →

Physical Dimensions & Specs

Overall Diameter

30.05"

763.3 mm

Section Width

255 mm

10.04" wide

Sidewall Height

6.02"

152.9 mm (60% aspect)

Revolutions / Mile

671

Circumference: 94.4"

Rim Diameter

18"

Wheel size

Recommended Rim Width

6.4" - 8.9"

Optimal rim width range

Where to Buy & Install P255/60R18 Tires

Looking for P255/60R18 tires? Skip hauling tires in your car—choose direct delivery to a local certified shop or doorstep delivery:

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Direct Home Delivery

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Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare P255/60R18 against any proposed tire size below:

Popular Comparisons:
Tire 1 (Stock / Base)255/60R18
Overall Height:30.0"
Sidewall:6.0"
Revs/Mile:671
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682

Visual Tire & Wheel Comparison

Tire 130.0" HeightTire 229.6" Height

Speedometer Variance

-1.6%At 60 mph reading, actual speed is 59.1 mph
IndicatedActual SpeedDiff
20 mph19.7 mph-0.3 mph
30 mph29.5 mph-0.5 mph
45 mph44.3 mph-0.7 mph
60 mph59.1 mph-0.9 mph
75 mph73.8 mph-1.2 mph
90 mph88.6 mph-1.4 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:-0.24" lower ground clearance

Vehicles That Fit P255/60R18 (27+ Models)

Factory standard and optional vehicle fitments utilizing P255/60R18 tires:

YearMake & ModelTrim / VariantLookup Specs
2016Mazda CX-9Sport, AWDView 2016 CX-9 ›
2016Mazda CX-9Sport, FWDView 2016 CX-9 ›
2016Mazda CX-9Touring, AWDView 2016 CX-9 ›
2016Mazda CX-9Touring, FWDView 2016 CX-9 ›
2017Mazda CX-9Sport, AWDView 2017 CX-9 ›
2017Mazda CX-9Sport, FWDView 2017 CX-9 ›
2017Mazda CX-9Touring, AWDView 2017 CX-9 ›
2017Mazda CX-9Touring, FWDView 2017 CX-9 ›
2018Mazda CX-9Sport, FWDView 2018 CX-9 ›
2018Mazda CX-9Sport, AWDView 2018 CX-9 ›
2018Mazda CX-9Touring, AWDView 2018 CX-9 ›
2018Mazda CX-9Touring, FWDView 2018 CX-9 ›
2019Mazda CX-9Sport, AWDView 2019 CX-9 ›
2019Mazda CX-9Sport, FWDView 2019 CX-9 ›
2019Mazda CX-9Touring, AWDView 2019 CX-9 ›
2019Mazda CX-9Touring, FWDView 2019 CX-9 ›
2020Mazda CX-9Sport, AWDView 2020 CX-9 ›
2020Mazda CX-9Sport, FWDView 2020 CX-9 ›
2020Mazda CX-9Touring, AWDView 2020 CX-9 ›
2020Mazda CX-9Touring, FWDView 2020 CX-9 ›
2021Mazda CX-9Sport, AWDView 2021 CX-9 ›
2021Mazda CX-9Sport, FWDView 2021 CX-9 ›
2021Mazda CX-9Touring, AWDView 2021 CX-9 ›
2021Mazda CX-9Touring, FWDView 2021 CX-9 ›
2022Mazda CX-9SportView 2022 CX-9 ›
2022Mazda CX-9TouringView 2022 CX-9 ›
2023Mazda CX-9TouringView 2023 CX-9 ›