Buick LaCrosse tire size
The most common factory tire size for the Buick LaCrosse is 235/50R18, on 42 of the 70 year and trim fits listed. Each year below lists the sizes its trims were built with (2010 to 2019). Pick your year and trim to see the tires that fit.
Buick LaCrosse tire sizes by year
20194 sizes · 16 trims
20184 sizes · 13 trims
20173 sizes · 10 trims
20168 sizes · 22 trims
P235/50R18load index 97, speed rating H
P245/45R19load index 98, speed rating V
P225/55R17load index 95, speed rating H
P245/40R20load index 95, speed rating V
20158 sizes · 21 trims
P235/50R18load index 97, speed rating H
P245/45R19load index 98, speed rating V
P225/55R17load index 95, speed rating H
P245/40R20load index 95, speed rating V
20147 sizes · 18 trims
P235/50R18load index 97, speed rating H
P245/45R19load index 98, speed rating V
P245/40R20load index 95, speed rating V
20134 sizes · 10 trims
20124 sizes · 10 trims
P245/50R17load index 98, speed rating H
20113 sizes · 5 trims
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.