Lexus IS300 tire size

The most common factory tire size for the Lexus IS300 is 225/40R18 front, 255/35R18 rear, on 32 of the 59 year and trim fits listed. The table lists every year from 2016 to 2025 and the size each trim was built with. Pick your year and trim to see the tires that fit.

Lexus IS300 tire sizes by year

Factory tire sizes of the Lexus IS300 by year and trim
Year	Factory tire size	Trims
2025	235/40R19load index 96, speed rating Y	(AWD) w/Premium Pkg., (RWD) w/Premium Pkg., F Sport Design, Sedan AWD, Sedan RWD
	235/45R18load index 94, speed rating Y	(RWD), Sedan AWD, Sedan RWD
	235/40R19 front, 265/35R19 rearload index 92, speed rating Y	F Sport
2024	235/40R19load index 96, speed rating Y	(AWD) w/Premium Pkg., (RWD) w/Premium Pkg., F Sport Design, Sedan AWD, Sedan RWD
	235/45R18load index 94, speed rating Y	(RWD), Sedan AWD, Sedan RWD
	235/40R19 front, 265/35R19 rearload index 92, speed rating V	F Sport
2023	235/40R19load index 96, speed rating Y	(AWD) w/Premium Pkg., (RWD) w/Premium Pkg., Sedan AWD, Sedan RWD
2023	235/45R18load index 94, speed rating Y	(RWD), Sedan AWD, Sedan RWD
2022	235/40R19load index 96, speed rating Y	(AWD) w/Premium Pkg., (RWD) w/Premium Pkg., Sedan AWD, Sedan RWD
2022	235/45R18load index 94, speed rating Y	(RWD), Sedan AWD, Sedan RWD
2021	235/45R18load index 94, speed rating Y	(RWD), Sedan AWD, Sedan RWD
2020	225/40R18 front, 255/35R18 rearload index 88, speed rating W	(AWD), (RWD), F Sport, F Sport AWD, F Sport Black Line Special Edition, F Sport RWD, Sedan AWD, Sedan RWD
2020	225/45R17load index 91, speed rating V	(AWD), (RWD), Sedan AWD, Sedan RWD
2019	225/40R18 front, 255/35R18 rearload index 88, speed rating W	(AWD), (RWD), F Sport, F Sport AWD, F Sport RWD, Sedan AWD, Sedan RWD
2019	225/45R17load index 91, speed rating V	(AWD), (RWD), Sedan AWD, Sedan RWD
2018	225/40R18 front, 255/35R18 rearload index 88, speed rating W	(AWD), (RWD), F Sport, F Sport AWD, F Sport RWD, Sedan AWD, Sedan RWD
2018	225/45R17load index 91, speed rating V	(AWD), (RWD), Sedan AWD, Sedan RWD
2017	225/40R18 front, 255/35R18 rearload index 88, speed rating W	Base, F Sport, F Sport AWD, F Sport RWD, Sedan AWD, Sedan RWD
2017	225/45R17load index 91, speed rating V	Base, Sedan AWD, Sedan RWD
2016	225/40R18 front, 255/35R18 rearload index 88, speed rating W	Base, F Sport, F Sport AWD, Sedan AWD
2016	225/45R17load index 91, speed rating V	Base, Sedan AWD

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.

How to read your tire size Other Lexus models