2021 Land Rover Defender tire size

Most common factory size

P255/55R19

Tire sizes by trim

Source marks: one source

2021 Land Rover Defender tire size by trim
Size	Trims	Width, mm	Sidewall, % of width	Rim, in	Diameter, in	Sidewall, in	Revs per mile
P255/55R19	110 SE AWD, 110 X-Dynamic SE AWD, 110 X-Dynamic HSE AWD, 110 X AWD	255	55	19	30.04	5.52	671
P255/60R18	110 Standard AWD, 110 S AWD	255	60	18	30.05	6.02	671

What P255/55R19 means
Part	Number	Meaning
Type	P	Passenger car tire.
Width	255 mm	Tread width. 10.0 in.
Sidewall	55	Sidewall height is 55% 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 P255/55R19
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
255/60R18	18	30.05	+0.0%	60.0 mph
255/50R20	20	30.04	-0.0%	60.0 mph
235/65R18	18	30.03	-0.1%	60.0 mph
285/45R20	20	30.10	+0.2%	59.9 mph
235/60R19	19	30.10	+0.2%	59.9 mph
235/55R20	20	30.18	+0.4%	59.7 mph
275/55R18	18	29.91	-0.4%	60.3 mph
275/50R19	19	29.83	-0.7%	60.4 mph

Sizes within 3% of P255/60R18
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
255/55R19	19	30.04	-0.0%	60.0 mph
255/65R17	17	30.05	+0.0%	60.0 mph
235/65R18	18	30.03	-0.1%	60.0 mph
235/60R19	19	30.10	+0.2%	59.9 mph
235/70R17	17	29.95	-0.3%	60.2 mph
275/55R18	18	29.91	-0.5%	60.3 mph
275/50R19	19	29.83	-0.7%	60.4 mph
225/60R19	19	29.63	-1.4%	60.8 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.