Pirelli P Zero (PZ4) 225/40R18 Tires

Pirelli P Zero (PZ4) 225/40R18 XL 92Y is an ultra high performance summer tire priced from $192.98.

Pirelli P Zero (PZ4) 225/40R18 XL 92Y Tire Specs

225/40R18 is a Metric tire used as an original equipment on a variety of popular passenger cars. It also comes in a P-Metric (P225/40R18) variant

Let us decode each aspect of the tire size code to have a full understanding what this tire size means.

225 is a section width of the tire from one sidewall to the other. Tire tread width is typically a bit narrower than the section width. Section width of 225/40R18 tire is 225 millimeters.

40 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 225/40R18 tire, the sidewall height is 40% of its tread width.

R denotes that 225/40R18 tire has radial construction.

18 represents the wheel diameter in inches that the tire is designed to fit. 225/40R18 can be mounted on rims with 18 inches in diameter.

XL denotes the load range of a tire. XL stands for Extra Load. Tires with this designation are constructed to carry more weight than standard load tires of the same size. This is achieved by reinforcing the tire's construction, often through additional or stronger layers known as plies.

92 indicates the load index. A tire with a load index of 92 can support a maximum load of 1389 pounds or 630 kilograms per tire.

Y indicates the speed rating. A tire with a speed rating of Y is approved for speeds up to 186 miles per hour or 299 kilometers per hour under optimal conditions.

Maximum inflation for Pirelli P Zero (PZ4) 225/40R18 tire is 50 psi.

Tire manufacturer part number (MPN) is 3220600.

Pirelli P Zero (PZ4)
Buy from $192.98

225/40R18 Dimensions Chart

Pirelli P Zero (PZ4) 225/40R18 tire has a diameter of 25.1", a width of 8.9", mounts on a 18" rim, and makes 804 revolutions per mile.

Metric Inches
Tire Width 225 mm 8.9"
Aspect Ratio 40%
Rim Diameter 457 mm 18"
Tire Diameter 637 mm 25.1"
Sidewall Height 90 mm 3.5"
Circumference 2000 mm 78.8"
Revolutions 500 per km 804 per mile

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