Lexus GS300 tire size
The most common factory tire size for the Lexus GS300 is 235/40R19 front, 265/35R19 rear, on 4 of the 8 year and trim fits listed. Each year below lists the sizes its trims were built with (2018 to 2019). Pick your year and trim to see the tires that fit.
Lexus GS300 tire sizes by year
20194 sizes · 6 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.