Porsche Wheel Lug Pattern Catalog | Porsche Wheel Fitment & Tire Reference

Porsche wheel lug pattern catalog provides accurate mounting specifications for various Porsche models. Each listing includes essential details such as lug count × PCD (pitch circle diameter in millimeters), offset (ET), and center bore diameter to ensure correct wheel fitment.\n\nThis reference site organizes Porsche vehicles by model, linking to year-specific wheel and tire dimensions. Detailed tire markings and mounting information help Porsche owners find compatible aftermarket or replacement wheels with confidence.\n\nWhether you own a classic 911 or a modern Cayenne, this Porsche wheel fitment guide simplifies selecting the right wheels by focusing on technical data rather than vehicle trims or marketing names. Understanding bolt patterns and offset values is crucial for safe installation and optimal performance.\n\nUse this Porsche wheel lug pattern catalog to verify compatibility before purchasing, reducing the risk of fitment issues or damage. Precise PCD, offset, and center bore measurements ensure your wheels align perfectly with your Porsche’s hubs and suspension setup.

11 models

Tire size calculatorShow

Compare two tire sizes — diameter, speedometer error, and clearance change.

inchmm
Size 1Size 2DiffDiff(%)
Diameter25.0"25.4"0.5"1.89%
Width7.7"8.5"0.8"10.26%
Circumference78.4"79.9"1.5"1.86%
Profile height5.0"4.2"-0.7"-15.08%
Turnover per mile80779314-1.73%
Clearance--+0.2"-
25.0"
7.7"
old tire side
25.5"
8.5"
new tire side
old tire
15"
old rim
5.0"
new tire
17"
new rim
4.2"

Speedometer Error

(First wheel OEM size)

Reading20 mph30 mph40 mph50 mph60 mph70 mph80 mph90 mph
Actual20.430.540.750.961.171.281.491.6