2026 Porsche Panamera tire size

Most common factory size

P265/45R19

Tire sizes by trim

Source marks: one source

2026 Porsche Panamera tire size by trim
Size	Trims	Width, mm	Sidewall, % of width	Rim, in	Diameter, in	Sidewall, in	Revs per mile
P265/45R19	RWD, 4 AWD, 4 E-Hybrid AWD	265	45	19	28.39	4.69	710
P275/40R20	4S E-Hybrid AWD, Turbo E-Hybrid AWD	275	40	20	28.66	4.33	704
P275/35R21	GTS AWD, Turbo S E-Hybrid AWD	275	35	21	28.58	3.79	706

What P265/45R19 means
Part	Number	Meaning
Type	P	Passenger car tire.
Width	265 mm	Tread width. 10.4 in.
Sidewall	45	Sidewall height is 45% 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 P265/45R19
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
305/35R20	20	28.41	+0.1%	60.0 mph
265/40R20	20	28.35	-0.2%	60.1 mph
235/45R20	20	28.33	-0.2%	60.1 mph
235/50R19	19	28.25	-0.5%	60.3 mph
235/55R18	18	28.18	-0.7%	60.5 mph
245/55R18	18	28.61	+0.8%	59.5 mph
225/60R18	18	28.63	+0.8%	59.5 mph
245/50R19	19	28.65	+0.9%	59.5 mph

Sizes within 3% of P275/40R20
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
245/50R19	19	28.65	-0.1%	60.0 mph
245/45R20	20	28.68	+0.1%	60.0 mph
245/40R21	21	28.72	+0.2%	59.9 mph
275/35R21	21	28.58	-0.3%	60.2 mph
225/55R19	19	28.74	+0.3%	59.8 mph
275/45R19	19	28.74	+0.3%	59.8 mph
285/35R21	21	28.85	+0.7%	59.6 mph
305/35R20	20	28.41	-0.9%	60.5 mph

Sizes within 3% of P275/35R21
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
275/40R20	20	28.66	+0.3%	59.8 mph
245/45R20	20	28.68	+0.4%	59.8 mph
245/40R21	21	28.72	+0.5%	59.7 mph
285/30R22	22	28.73	+0.5%	59.7 mph
305/35R20	20	28.41	-0.6%	60.4 mph
265/40R20	20	28.35	-0.8%	60.5 mph
235/45R20	20	28.33	-0.9%	60.5 mph
265/35R21	21	28.30	-1.0%	60.6 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.