2019 LEXUS RCF wheel size

5498-1. Specifications
8
Vehicle specifications
RC F_U 
RC350/RC300 (type C) 
RC350/RC300 (type D) Tire size P235/45R18 94V, T155/70D17 110M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Rear: 35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm 2
or bar)
Driving at high speeds (above 100 mph [160 km/h]) (in
countries where such speeds are permitted by law)
Add 3 psi (20 kPa, 0.2 kgf/cm 2
or bar) to the front
tires, 6 psi (40 kPa, 0.4 kgf/cm 2
or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size 18  8J, 17  4T (spare)
Wheel nut torque 76 ft •
lbf (103 N •
m, 10.5 kgf •
m)
Tire size P235/45R18 94V, T145/70D18 107M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Rear: 35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm 2
or bar)
Driving at high speeds (above 100 mph [160 km/h]) (in
countries where such speeds are permitted by law)
Add 3 psi (20 kPa, 0.2 kgf/cm 2
or bar) to the front
tires, 6 psi (40 kPa, 0.4 kgf/cm 2
or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size 18  8J, 18  4T (spare)
Wheel nut torque 76 ft •
lbf (103 N •
m, 10.5 kgf •
m)

550 8-1. Specifications
RC F_U 
RC350/RC300 (type E) 
RC350/RC300 (type F) Tire size 235/40R19 96V, T155/70D17 110M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm 2
or bar)
Driving at high speeds (above 100 mph [160 km/h]) (in
countries where such speeds are permitted by law)
Add 6 psi (40 kPa, 0.4 kgf/cm 2
or bar) to the front
tires, 8 psi (50 kPa, 0.5 kgf/cm 2
or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size 19  8J, 17  4T (spare)
Wheel nut torque 76 ft •
lbf (103 N •
m, 10.5 kgf •
m)
Tire size 235/40R19 96V, T145/70D18 107M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm 2
or bar)
Driving at high speeds (above 100 mph [160 km/h]) (in
countries where such speeds are permitted by law)
Add 6 psi (40 kPa, 0.4 kgf/cm 2
or bar) to the front
tires, 8 psi (50 kPa, 0.5 kgf/cm 2
or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size 19  8J, 18  4T (spare)
Wheel nut torque 76 ft •
lbf (103 N •
m, 10.5 kgf •
m)

5518-1. Specifications
8
Vehicle specifications
RC F_U 
RC350/RC300 (type G) 
RC350/RC300 (type H) Tire size Front tires: 235/40R19 96Y XL
Rear tires: 265/35R19 94Y
Spare tire: T155/70D17 110M
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm 2
or bar)
Driving at high speeds (above 100 mph [160 km/h]) (in
countries where such speeds are permitted by law)
Add 6 psi (40 kPa, 0.4 kgf/cm 2
or bar) to the front
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size Front wheels: 19  8J
Rear wheels: 19  9J
Spare wheel: 17  4T
Wheel nut torque 76 ft •
lbf (103 N •
m, 10.5 kgf •
m)
Tire size Front tires: 235/40R19 96Y XL
Rear tires: 265/35R19 94Y
Spare tire: T145/70D18 107M
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm 2
or bar)
Driving at high speeds (above 100 mph [160 km/h]) (in
countries where such speeds are permitted by law)
Add 6 psi (40 kPa, 0.4 kgf/cm 2
or bar) to the front
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size Front wheels: 19  8J
Rear wheels: 19  9J
Spare wheel: 18  4T
Wheel nut torque 76 ft •
lbf (103 N •
m, 10.5 kgf •
m)

552 8-1. Specifications
RC F_U 
RC F (type A) 
RC F (type B) Tire size Front tires: 255/35ZR19 (92Y)
Rear tires: 275/35ZR19 (96Y)
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Driving at high speeds (above 137 mph [220 km/h]) (in
countries where such speeds are permitted by law)
Add 8 psi (50 kPa, 0.5 kgf/cm 2
or bar) to the front
tires and rear tires. Never exceed the maximum cold
tire inflation pressure indi cated on the tire sidewall.
Wheel size Front wheels: 19  9J
Rear wheels: 19  10J
Wheel nut torque 76 ft •
lbf (103 N •
m, 10.5 kgf •
m)
Tire size Front tires: 255/35ZR19 (92Y)
Rear tires: 275/35ZR19 (96Y)
Spare tire: 225/40ZR19 (93Y)
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Spare: 42 psi (290 kPa, 2.9 kgf/cm 2
or bar)
Driving at high speeds (above 137 mph [220 km/h]) (in
countries where such speeds are permitted by law)
Add 8 psi (50 kPa, 0.5 kgf/cm 2
or bar) to the front
tires and rear tires. Never exceed the maximum cold
tire inflation pressure indi cated on the tire sidewall.
Wheel size Front wheels: 19  9J
Rear wheels: 19  10J
Spare wheel: 19  8 1/2J
Wheel nut torque 76 ft •
lbf (103 N •
m, 10.5 kgf •
m)

560 8-1. Specifications
RC F_U ■
Typical tire size information
The illustration indicates typical tire
size.
Tire use (P = Passenger car,
T = Temporary use)
Section width (millimeters)
Aspect ratio
(tire height to section width)
Tire construction code
(R = Radial, D = Diagonal)
Wheel diameter (inches)
Load index
(2 digits or 3 digits)
Speed symbol
(alphabet with one letter)■
Tire dimensions
Section width
Tire height
Wheel diameterTire size 1
2
3
4
5
6
7
1
2
3

5658-1. Specifications
8
Vehicle specifications
RC F_U Rim diameter
(Wheel diameter) Nominal diameter of the bead seat
Rim size designation Rim diameter and width
Rim type designation The industry manufacturer’s designation for a rim by
style or code
Rim width Nominal distance between rim flanges
Vehicle capacity weight
(Total load capacity) The rated cargo and luggage load plus 150 lb. (68 kg)
times the vehicle’s desi gnated seating capacity
Vehicle maximum load on
the tire The load on an individual tire that is determined by dis-
tributing to each axle its share of the maximum loaded
vehicle weight, and dividing by two
Vehicle normal load on the
tire The load on an individual tire that is determined by dis-
tributing to each axle its sh are of curb weight, accessory
weight, and normal occupant weight (distributed in
accordance with Table 1
* below), and dividing by two
Weather side The surface area of the rim not covered by the inflated
tire
Bead The part of the tire that is made of steel wires, wrapped
or reinforced by ply cords an d that is shaped to fit the
rim
Bead separation A breakdown of the bond between components in the
bead
Bias ply tire A pneumatic tire in which the ply cords that extend to
the beads are laid at altern ate angles substantially less
than 90 degrees to the centerline of the tread
Carcass The tire structure, except tread and sidewall rubber
which, when inflated, bears the load
Chunking The breaking away of pieces of the tread or sidewall
Cord The strands forming th e plies in the tire
Cord separation The parting of cords from adjacent rubber compounds
Cracking Any parting within the tread, sidewall, or innerliner of
the tire extending to cord materialTire related term Meaning

635Alphabetical index
RC F_U Washer ..................................................... 233
Checking................................................... 411
Preparing and checking
before winter ....................... 320, 320
Switch....................................................... 233
Washing and waxing........................... 376
Weight
Cargo capacity ...................................204
Load limits..............................................204
Weight.................................................... 536
Wheels ...................................................... 423
Replacing wheels ............................... 423
Size ........................................................... 548
Window lock switch ............................. 182
Windows ................................................... 182
Power windows ................................... 182
Rear window defogger.................. 338
Windshield wiper de-icer ................. 339
Windshield wipers ............................... 233
Intermittent windshield
wipers with interval adjuster ..... 233
Rain-sensing windshield
wipers ...................................................235
Winter driving tips................................ 320
Wireless remote control .................... 140
Battery-Saving Function.................. 158
Locking/Unlocking................... 145, 151
Replacing the battery ....................... 427