Lexus Rx Tyre Pressures

Manufacturer-recommended front and rear pressures for every Rx tyre size and variant — in psi, bar or kPa.

5
Wheel sizes
6
Model variants
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Find the right pressure for your Lexus Rx

Not sure of your wheel size? It's the last number in the tyre size on your sidewall.

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How to check

Checking your Lexus Rx tyre pressure

Two minutes at home or on a garage forecourt is all it takes.

Find your pressure

Look up your tyre size in the pressure chart, or check the sticker inside the driver's door jamb or fuel filler flap.

Check the tyres cold

Recommended figures are cold pressures — measure before driving, or at least a couple of hours after a journey.

Top up all four monthly

Check every tyre (and the spare) once a month and before long trips, then refit the valve caps securely.

Tyre Pressure Chart

Recommended pressures for your Lexus Rx

Cold inflation pressures as recommended by Lexus. Use the laden figures when the car is fully loaded with passengers or luggage.

Tyre sizeFrontFront (loaded)RearRear (loaded)
215/70 R16 100T RX 300 34 psi2.3 bar234 kPa 33 psi2.3 bar228 kPa 34 psi2.3 bar234 kPa 33 psi2.3 bar228 kPa
225/60 R17 99H RX 300 30 psi2.1 bar207 kPa 32 psi2.2 bar221 kPa 30 psi2.1 bar207 kPa 32 psi2.2 bar221 kPa
225/65 R17 100H RX 300 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
225/65 R17 102V RX 300 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
225/65 R17 106V RX 300 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
225/65 R17 100H RX 350 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
225/65 R17 102V RX 350 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
225/65 R17 106V RX 350 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
235/55 R18 100V RX 300 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
235/55 R18 99V RX 300 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
235/55 R18 100V RX 350 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
235/55 R18 99V RX 350 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
235/55 R18 104V RX 400H 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
235/55 R18 99V RX 400H 32 psi2.2 bar221 kPa 33 psi2.3 bar228 kPa 32 psi2.2 bar221 kPa 33 psi2.3 bar228 kPa
235/55 R18 99V RX 450H 31 psi2.1 bar214 kPa ––– 31 psi2.1 bar214 kPa –––
235/60 R18 103H RX 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa
235/60 R18 103V RX 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa
235/60 R18 103H RX 200T 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa
235/60 R18 103V RX 200T 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa
235/60 R18 103H RX 450H 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa
235/60 R18 103V RX 450H 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa
235/65 R18 110H RX 32 – 37 psi2.2 – 2.6 bar221 – 255 kPa 32 – 38 psi2.2 – 2.6 bar221 – 262 kPa 32 – 37 psi2.2 – 2.6 bar221 – 255 kPa 32 – 38 psi2.2 – 2.6 bar221 – 262 kPa
235/65 R18 110T RX 32 – 37 psi2.2 – 2.6 bar221 – 255 kPa 32 – 38 psi2.2 – 2.6 bar221 – 262 kPa 32 – 37 psi2.2 – 2.6 bar221 – 255 kPa 32 – 38 psi2.2 – 2.6 bar221 – 262 kPa
235/65 R18 106V RX 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa
235/65 R18 110H RX 200T 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa
235/65 R18 110T RX 200T 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa
235/65 R18 106V RX 200T 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa
235/65 R18 110H RX 450H 32 – 37 psi2.2 – 2.6 bar221 – 255 kPa 32 – 38 psi2.2 – 2.6 bar221 – 262 kPa 32 – 37 psi2.2 – 2.6 bar221 – 255 kPa 32 – 38 psi2.2 – 2.6 bar221 – 262 kPa
235/65 R18 110T RX 450H 32 – 37 psi2.2 – 2.6 bar221 – 255 kPa 32 – 38 psi2.2 – 2.6 bar221 – 262 kPa 32 – 37 psi2.2 – 2.6 bar221 – 255 kPa 32 – 38 psi2.2 – 2.6 bar221 – 262 kPa
235/65 R18 106V RX 450H 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa 37 psi2.6 bar255 kPa 38 psi2.6 bar262 kPa
235/55 R19 101H RX 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R19 101V RX 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R19 105W RX 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R19 101H RX 450H 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R19 101V RX 450H 32 – 34 psi2.2 – 2.3 bar221 – 234 kPa 32 – 44 psi2.2 – 3.0 bar221 – 303 kPa 32 – 34 psi2.2 – 2.3 bar221 – 234 kPa 32 – 44 psi2.2 – 3.0 bar221 – 303 kPa
235/55 R19 105V RX 450H 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
235/55 R19 105W RX 450H 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R20 105H RX 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R20 102T RX 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
235/55 R20 105T RX 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R20 102V RX 32 – 34 psi2.2 – 2.3 bar221 – 234 kPa 32 – 44 psi2.2 – 3.0 bar221 – 303 kPa 32 – 34 psi2.2 – 2.3 bar221 – 234 kPa 32 – 44 psi2.2 – 3.0 bar221 – 303 kPa
235/55 R20 103V RX 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R20 102W RX 32 – 34 psi2.2 – 2.3 bar221 – 234 kPa 32 – 44 psi2.2 – 3.0 bar221 – 303 kPa 32 – 34 psi2.2 – 2.3 bar221 – 234 kPa 32 – 44 psi2.2 – 3.0 bar221 – 303 kPa
235/55 R20 105H RX 200T 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R20 105T RX 200T 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R20 102V RX 200T 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R20 103V RX 200T 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R20 102W RX 200T 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R20 105H RX 450H 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R20 102T RX 450H 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
235/55 R20 105T RX 450H 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R20 102V RX 450H 32 – 34 psi2.2 – 2.3 bar221 – 234 kPa 32 – 44 psi2.2 – 3.0 bar221 – 303 kPa 32 – 34 psi2.2 – 2.3 bar221 – 234 kPa 32 – 44 psi2.2 – 3.0 bar221 – 303 kPa
235/55 R20 103V RX 450H 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa 34 psi2.3 bar234 kPa 44 psi3.0 bar303 kPa
235/55 R20 102W RX 450H 32 – 34 psi2.2 – 2.3 bar221 – 234 kPa 32 – 44 psi2.2 – 3.0 bar221 – 303 kPa 32 – 34 psi2.2 – 2.3 bar221 – 234 kPa 32 – 44 psi2.2 – 3.0 bar221 – 303 kPa

Always double-check against the tyre placard inside the driver's door or your Lexus handbook — pressures can vary by exact specification and year.

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Why it matters

The right pressure pays for itself

Tyres naturally lose around 1–2 psi a month, and more in cold weather — so even careful drivers end up under-inflated. Running your Rx below Lexus's recommended pressure increases rolling resistance, which means more fuel burned, faster shoulder wear and longer braking distances in the wet.

Over-inflating isn't the answer either: too much air shrinks the tyre's contact patch, wearing the centre of the tread and making grip and ride quality worse. The recommended figures in the chart are the sweet spot — and if you're carrying a full load of passengers or luggage, switch to the laden values before you set off.

How pressure shapes your grip on the road

Under-inflated Only the shoulders touch — vague steering, extra fuel, hot edges
Correct pressure Full, even contact — best grip, wear and fuel economy
Over-inflated Just the centre grips — harsher ride, faster middle wear

The red zones are where a mis-inflated tyre carries the load — and where it wears out first.

Help & Advice

Tyre pressure questions, answered

What tyre pressure should a Lexus Rx be?
It depends on your tyre size and variant — most Rx fitments sit roughly between 30 and 38 psi (about 2.1–2.6 bar). Use the chart on this page to find your exact size, and confirm against the sticker inside the driver's door jamb or your handbook.
Where do I find the recommended pressure on the car?
Most Lexus models have a tyre placard inside the driver's door jamb; some print it inside the fuel filler flap or glovebox lid. It lists front and rear pressures for each approved tyre size, including fully-laden figures. The owner's handbook has the same table.
When should I use the laden pressures?
Use the laden (loaded) figures when the car is carrying close to a full load — four or five occupants, a packed boot, or towing. The extra pressure supports the added weight and keeps the car stable. Drop back to the normal figures once you've unloaded.
What's the difference between psi, bar and kPa?
They're just different units for the same pressure. UK forecourt gauges usually read psi (pounds per square inch), European handbooks often quote bar, and kPa (kilopascals) appears on many door stickers. 1 bar = 14.5 psi = 100 kPa — or simply switch units on the pressure chart.
How often should I check my tyre pressures?
Once a month, and always before a long journey or when loading the car up. Tyres lose air naturally, and a visual glance won't spot a few psi missing. Check them cold, and if one tyre keeps losing pressure faster than the rest, have it inspected — it may have a slow puncture.
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