2023 Lexus RX tire size

Most common factory size

P235/60R19

Tire sizes by trim

Source marks: one source

2023 Lexus RX tire size by trim
Size	Trims	Width, mm	Sidewall, % of width	Rim, in	Diameter, in	Sidewall, in	Revs per mile
P235/60R19	350 FWD, 350 AWD, RX 350h AWD, 350 Premium FWD, RX 350h Premium AWD, 350 Premium AWD	235	60	19	30.10	5.55	670
P235/50R21	350 Luxury FWD, 350 F Sport Handling AWD, RX 350h Luxury AWD, 350 Luxury AWD, RX 500h F SPORT Performance AWD	235	50	21	30.25	4.63	667

What P235/60R19 means
Part	Number	Meaning
Type	P	Passenger car tire.
Width	235 mm	Tread width. 9.3 in.
Sidewall	60	Sidewall height is 60% of the width.
Construction	R	Radial tire.
Rim	19 in	Fits 19 in wheels.

Within 3% of the stock diameter. A common shop guideline, not a maker spec.

Sizes within 3% of P235/60R19
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
285/45R20	20	30.10	-0.0%	60.0 mph
255/60R18	18	30.05	-0.2%	60.1 mph
255/55R19	19	30.04	-0.2%	60.1 mph
255/50R20	20	30.04	-0.2%	60.1 mph
235/65R18	18	30.03	-0.2%	60.1 mph
235/55R20	20	30.18	+0.2%	59.9 mph
275/55R18	18	29.91	-0.6%	60.4 mph
275/50R19	19	29.83	-0.9%	60.6 mph

Sizes within 3% of P235/50R21
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
295/40R21	21	30.29	+0.1%	59.9 mph
235/55R20	20	30.18	-0.2%	60.1 mph
265/40R22	22	30.35	+0.3%	59.8 mph
265/45R21	21	30.39	+0.5%	59.7 mph
285/45R20	20	30.10	-0.5%	60.3 mph
265/50R20	20	30.43	+0.6%	59.6 mph
295/45R20	20	30.45	+0.7%	59.6 mph
255/50R20	20	30.04	-0.7%	60.4 mph

Checked against 292 factory sizes listed for 2009-2027 US models.

Tire pressure is on the driver door sticker. Not in this data.

Optional wheel packages may differ.