Buick Tire Sizes & Rim Dimensions | OEM Reference Guide

This Buick tire and rim reference page provides accurate OEM-style tire size markings and rim width/diameter data for all Buick vehicle models. Each model is organized by production year to help you find the correct metric tire code and compatible rim dimensions.\n\nWhether you own a Buick sedan, SUV, or crossover, this catalog ensures you select tires and wheels that meet factory specifications. Proper tire size and rim fitment are crucial for safety, performance, and maintaining your vehicle's handling characteristics.\n\nUse the linked model pages to view year-sorted tire sizes and rim widths that comply with Buick’s OEM recommendations. This information helps with replacement tires, upgrades, and verifying compatibility for aftermarket wheels.

9 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