2020 Chevrolet Sonic tire size

Most common factory size

P205/50R17

Tire sizes by trim

Source marks: one source

2020 Chevrolet Sonic tire size by trim
Size	Trims	Width, mm	Sidewall, % of width	Rim, in	Diameter, in	Sidewall, in	Revs per mile
P205/50R17	LS FWD, Premier FWD	205	50	17	25.07	4.04	804
P205/55R16	LT FWD	205	55	16	24.88	4.44	811

What P205/50R17 means
Part	Number	Meaning
Type	P	Passenger car tire.
Width	205 mm	Tread width. 8.1 in.
Sidewall	50	Sidewall height is 50% of the width.
Construction	R	Radial tire.
Rim	17 in	Fits 17 in wheels.

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

Sizes within 3% of P205/50R17
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
225/40R18	18	25.09	+0.1%	60.0 mph
255/35R18	18	25.03	-0.2%	60.1 mph
225/45R17	17	24.97	-0.4%	60.2 mph
295/30R18	18	24.97	-0.4%	60.2 mph
195/60R16	16	25.21	+0.6%	59.7 mph
205/55R16	16	24.88	-0.8%	60.5 mph
205/45R18	18	25.26	+0.8%	59.5 mph
215/55R16	16	25.31	+1.0%	59.4 mph

Sizes within 3% of P205/55R16
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
225/45R17	17	24.97	+0.4%	59.8 mph
195/65R15	15	24.98	+0.4%	59.8 mph
185/60R16	16	24.74	-0.6%	60.3 mph
205/50R17	17	25.07	+0.8%	59.5 mph
205/60R15	15	24.69	-0.8%	60.5 mph
215/45R17	17	24.62	-1.0%	60.6 mph
195/60R16	16	25.21	+1.3%	59.2 mph
185/65R15	15	24.47	-1.6%	61.0 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.