P245/55R18
Passenger / P-MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
The P245/55R18 tire size features an overall diameter of 28.61 inches, a section width of 9.6 inches (245mm), and rotates 705 times per mile. It is a standard factory tire fitment on 34+ vehicle models including Chevrolet Camaro.
Physical Dimensions & Specs
Overall Diameter
28.61"
726.7 mmSection Width
245 mm
9.65" wideSidewall Height
5.31"
134.9 mm (55% aspect)Revolutions / Mile
705
Circumference: 89.88"Rim Diameter
18"
Wheel sizeRecommended Rim Width
6.1" - 8.6"
Optimal rim width rangeWhere to Buy & Install P245/55R18 Tires
Looking for P245/55R18 tires? Skip hauling tires in your car—choose direct delivery to a local certified shop or doorstep delivery:
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Speedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare P245/55R18 against any proposed tire size below:
Visual Tire & Wheel Comparison
Speedometer Variance
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 20.7 mph | +0.7 mph |
| 30 mph | 31.0 mph | +1.0 mph |
| 45 mph | 46.5 mph | +1.5 mph |
| 60 mph | 62.0 mph | +2.0 mph |
| 75 mph | 77.5 mph | +2.5 mph |
| 90 mph | 93.0 mph | +3.0 mph |
Fender & Suspension Clearance
Flush fitment. Extends 17.7mm outwards. Check wheel arch clearance under full suspension compression.
Vehicles That Fit P245/55R18 (34+ Models)
Factory standard and optional vehicle fitments utilizing P245/55R18 tires: