2026 Ford Ranger tire size

Most common factory size

P255/70R17

Tire sizes by trim

Source marks: one source

2026 Ford Ranger tire size by trim
Size	Trims	Width, mm	Sidewall, % of width	Rim, in	Diameter, in	Sidewall, in	Revs per mile
P255/70R17	XL SuperCrew RWD, XLT SuperCrew RWD, SuperCrew XL 4WD, SuperCrew XLT 4WD	255	70	17	31.06	7.03	649
P255/65R18	Lariat SuperCrew RWD, SuperCrew Lariat 4WD	255	65	18	31.05	6.53	650
LT285/70R17	SuperCrew Raptor 4WD	285	70	17	32.71	7.85	617

What P255/70R17 means
Part	Number	Meaning
Type	P	Passenger car tire.
Width	255 mm	Tread width. 10.0 in.
Sidewall	70	Sidewall height is 70% 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 P255/70R17
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
255/65R18	18	31.05	-0.0%	60.0 mph
275/60R18	18	30.99	-0.2%	60.1 mph
285/60R18	18	31.46	+1.3%	59.2 mph
245/75R17	17	31.47	+1.3%	59.2 mph
245/70R18	18	31.50	+1.4%	59.1 mph
265/70R16	16	30.61	-1.4%	60.9 mph
285/65R16	16	30.59	-1.5%	60.9 mph
265/65R17	17	30.56	-1.6%	61.0 mph

Sizes within 3% of P255/65R18
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
255/70R17	17	31.06	+0.0%	60.0 mph
255/60R19	19	31.05	-0.0%	60.0 mph
235/65R19	19	31.03	-0.1%	60.0 mph
275/60R18	18	30.99	-0.2%	60.1 mph
275/55R19	19	30.91	-0.5%	60.3 mph
285/60R18	18	31.46	+1.3%	59.2 mph
245/75R17	17	31.47	+1.3%	59.2 mph
245/70R18	18	31.50	+1.5%	59.1 mph

Sizes within 3% of LT285/70R17
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
265/70R18	18	32.61	-0.3%	60.2 mph
285/65R18	18	32.59	-0.4%	60.2 mph
245/75R18	18	32.47	-0.7%	60.4 mph
275/70R18	18	33.16	+1.4%	59.2 mph
275/65R18	18	32.07	-1.9%	61.2 mph
255/75R17	17	32.06	-2.0%	61.2 mph
255/70R18	18	32.06	-2.0%	61.2 mph
235/80R17	17	31.80	-2.8%	61.7 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.