2025 Chevrolet Corvette tire size

Most common factory size

P275/30R20

Tire sizes by trim

Source marks: one source

2025 Chevrolet Corvette tire size by trim
Size	Trims	Width, mm	Sidewall, % of width	Rim, in	Diameter, in	Sidewall, in	Revs per mile
P275/30R20	E-Ray AWD, Z06 RWD, ZR1 RWD	275	30	20	26.50	3.25	761
P245/35R19	Stingray RWD	245	35	19	25.75	3.38	783

What P275/30R20 means
Part	Number	Meaning
Type	P	Passenger car tire.
Width	275 mm	Tread width. 10.8 in.
Sidewall	30	Sidewall height is 30% of the width.
Construction	R	Radial tire.
Rim	20 in	Fits 20 in wheels.

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

Sizes within 3% of P275/30R20
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
235/35R20	20	26.48	-0.1%	60.0 mph
275/35R19	19	26.58	+0.3%	59.8 mph
235/40R19	19	26.40	-0.4%	60.2 mph
195/50R19	19	26.68	+0.7%	59.6 mph
265/35R19	19	26.30	-0.7%	60.4 mph
245/40R19	19	26.72	+0.8%	59.5 mph
265/30R20	20	26.26	-0.9%	60.5 mph
285/30R20	20	26.73	+0.9%	59.5 mph

Sizes within 3% of P245/35R19
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
285/30R19	19	25.73	-0.1%	60.0 mph
245/30R20	20	25.79	+0.1%	59.9 mph
245/40R18	18	25.72	-0.1%	60.1 mph
215/45R18	18	25.62	-0.5%	60.3 mph
275/35R18	18	25.58	-0.7%	60.4 mph
225/45R18	18	25.97	+0.9%	59.5 mph
255/30R20	20	26.02	+1.1%	59.4 mph
235/35R19	19	25.48	-1.1%	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.