Fiat Wheel Lug Pattern Catalog – Bolt Patterns, Offset, and Center Bore

This Fiat wheel lug pattern catalog provides essential mounting specifications for Fiat vehicles, covering various models and production years.\n\nEach entry includes the lug count × PCD (pitch circle diameter in millimeters), offset (ET), center bore diameter, and available tire markings. These specifications ensure proper wheel fitment and safe driving performance.\n\nUse this reference to compare Fiat wheel lug patterns and identify compatible wheels and tires for your specific model and year. Accurate fitment details help avoid mounting issues and maintain factory safety standards.\n\nBrowse Fiat model listings to access year-sorted fitment data that streamline your search for the right wheels and tires based on mounting compatibility and dimensions.

54 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