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. The table lists every year from 2018 to 2019 and the size each trim was built with. Pick your year and trim to see the tires that fit.
Lexus GS300 tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2019 | 235/40R19 front, 265/35R19 rearload index 96, speed rating Y | F Sport, F Sport RWD |
| 235/45R18load index 94, speed rating Y | Base, Base RWD | |
| 235/50R17 | Base RWD | |
| P235/45R18load index 94, speed rating V | Base | |
| 2018 | 235/40R19load index 96, speed rating V | Base, F Sport |
| 235/40R19 front, 265/35R19 rearload index 96, speed rating Y | F Sport, F Sport RWD | |
| 235/45R18load index 94, speed rating Y | Base, Base RWD | |
| 235/50R17 | Base RWD | |
| P235/45R18load index 94, speed rating V | Base |
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.