2026 Alfa Romeo Tonale tire size

Most common factory size

P225/55R18

Tire sizes by trim

Source marks: one source

2026 Alfa Romeo Tonale tire size by trim
Size	Trims	Width, mm	Sidewall, % of width	Rim, in	Diameter, in	Sidewall, in	Revs per mile
P225/55R18	Sprint AWD	225	55	18	27.74	4.87	727
P235/40R20	Sport Speciale AWD	235	40	20	27.40	3.70	736
P235/45R19	Veloce AWD	235	45	19	27.33	4.16	738

What P225/55R18 means
Part	Number	Meaning
Type	P	Passenger car tire.
Width	225 mm	Tread width. 8.9 in.
Sidewall	55	Sidewall height is 55% of the width.
Construction	R	Radial tire.
Rim	18 in	Fits 18 in wheels.

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

Sizes within 3% of P225/55R18
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
245/45R19	19	27.68	-0.2%	60.1 mph
275/40R19	19	27.66	-0.3%	60.2 mph
245/50R18	18	27.65	-0.4%	60.2 mph
225/60R17	17	27.63	-0.4%	60.2 mph
245/55R17	17	27.61	-0.5%	60.3 mph
315/40R18	18	27.92	+0.6%	59.6 mph
155/70R19	19	27.54	-0.7%	60.4 mph
215/65R17	17	28.00	+0.9%	59.4 mph

Sizes within 3% of P235/40R20
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
265/40R19	19	27.35	-0.2%	60.1 mph
235/45R19	19	27.33	-0.3%	60.2 mph
275/30R21	21	27.50	+0.3%	59.8 mph
265/35R20	20	27.30	-0.4%	60.2 mph
155/70R19	19	27.54	+0.5%	59.7 mph
175/55R20	20	27.58	+0.6%	59.6 mph
275/35R20	20	27.58	+0.6%	59.6 mph
305/30R20	20	27.20	-0.7%	60.4 mph

Sizes within 3% of P235/45R19
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
215/55R18	18	27.31	-0.1%	60.0 mph
265/40R19	19	27.35	+0.1%	60.0 mph
265/35R20	20	27.30	-0.1%	60.1 mph
235/40R20	20	27.40	+0.3%	59.8 mph
235/50R18	18	27.25	-0.3%	60.2 mph
305/30R20	20	27.20	-0.4%	60.3 mph
295/35R19	19	27.13	-0.7%	60.4 mph
155/70R19	19	27.54	+0.8%	59.5 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.