2021 Mazda MAZDA6 tire size

Most common factory size

P225/45R19

Tire sizes by trim

Source marks: one source

2021 Mazda MAZDA6 tire size by trim
Size	Trims	Width, mm	Sidewall, % of width	Rim, in	Diameter, in	Sidewall, in	Revs per mile
P225/45R19	Touring FWD, Grand Touring FWD, Grand Touring Reserve FWD, Carbon Edition FWD, Signature FWD	225	45	19	26.97	3.99	748
P225/55R17	Sport FWD	225	55	17	26.74	4.87	754

What P225/45R19 means
Part	Number	Meaning
Type	P	Passenger car tire.
Width	225 mm	Tread width. 8.9 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 P225/45R19
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
255/35R20	20	27.03	+0.2%	59.9 mph
255/40R19	19	27.03	+0.2%	59.9 mph
255/45R18	18	27.04	+0.2%	59.9 mph
225/50R18	18	26.86	-0.4%	60.3 mph
295/35R19	19	27.13	+0.6%	59.7 mph
245/35R20	20	26.75	-0.8%	60.5 mph
305/30R20	20	27.20	+0.9%	59.5 mph
285/30R20	20	26.73	-0.9%	60.5 mph

Sizes within 3% of P225/55R17
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
205/60R17	17	26.69	-0.2%	60.1 mph
245/45R18	18	26.68	-0.2%	60.1 mph
275/40R18	18	26.66	-0.3%	60.2 mph
245/50R17	17	26.65	-0.4%	60.2 mph
225/50R18	18	26.86	+0.4%	59.7 mph
225/60R16	16	26.63	-0.4%	60.3 mph
205/65R16	16	26.49	-0.9%	60.6 mph
215/65R16	16	27.00	+1.0%	59.4 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.