2023 Acura TLX tire size

Most common factory size

P255/40R19

Tire sizes by trim

Source marks: one source

2023 Acura TLX tire size by trim
Size	Trims	Width, mm	Sidewall, % of width	Rim, in	Diameter, in	Sidewall, in	Revs per mile
P255/40R19	FWD, 2.0 SH-AWD w/Advance Pkg AWD, 2.0 w/A-Spec Pkg FWD, 2.0 SH-AWD w/A-Spec Pkg AWD, 2.0 w/Technology Pkg FWD	255	40	19	27.03	4.02	746
P255/35R20	Type S AWD, Type S PMC Edition AWD, Type S w/High Performance Wheel & Tire Pkg AWD	255	35	20	27.03	3.51	746

What P255/40R19 means
Part	Number	Meaning
Type	P	Passenger car tire.
Width	255 mm	Tread width. 10.0 in.
Sidewall	40	Sidewall height is 40% 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 P255/40R19
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
255/35R20	20	27.03	-0.0%	60.0 mph
255/45R18	18	27.04	+0.0%	60.0 mph
225/45R19	19	26.97	-0.2%	60.1 mph
295/35R19	19	27.13	+0.4%	59.8 mph
225/50R18	18	26.86	-0.6%	60.4 mph
305/30R20	20	27.20	+0.6%	59.6 mph
235/50R18	18	27.25	+0.8%	59.5 mph
265/35R20	20	27.30	+1.0%	59.4 mph

Sizes within 3% of P255/35R20
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
255/40R19	19	27.03	+0.0%	60.0 mph
225/45R19	19	26.97	-0.2%	60.1 mph
295/35R19	19	27.13	+0.4%	59.8 mph
305/30R20	20	27.20	+0.7%	59.6 mph
245/35R20	20	26.75	-1.0%	60.6 mph
265/35R20	20	27.30	+1.0%	59.4 mph
285/30R20	20	26.73	-1.1%	60.7 mph
235/45R19	19	27.33	+1.1%	59.3 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.