Maserati Quattroporte Tyre Pressures

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

6
Wheel sizes
3
Model variants
£30
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Find the right pressure for your Maserati Quattroporte

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 Maserati Quattroporte 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 Maserati Quattroporte

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

Tyre sizeFrontFront (loaded)RearRear (loaded)
205/55 R16 90Y QUATTROPORTE 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
205/55 R16 90Y QUATTROPORTE PININFARINA 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
205/55 R16 90Y QUATTROPORTE V8 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
225/45 R17 91Y QUATTROPORTE 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
225/45 R17 91Y QUATTROPORTE PININFARINA 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
225/45 R17 91Y QUATTROPORTE V8 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/40 R17 91Y QUATTROPORTE ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
245/40 R17 91Y QUATTROPORTE PININFARINA ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
245/40 R17 91Y QUATTROPORTE V8 ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
245/45 R18 97H QUATTROPORTE 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/45 R18 97Y QUATTROPORTE 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/45 R18 97H QUATTROPORTE PININFARINA 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/45 R18 97Y QUATTROPORTE PININFARINA 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/45 R18 97H QUATTROPORTE V8 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/45 R18 97Y QUATTROPORTE V8 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
285/40 R18 101H QUATTROPORTE ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
285/40 R18 101Y QUATTROPORTE ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
285/40 R18 101H QUATTROPORTE PININFARINA ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
285/40 R18 101Y QUATTROPORTE PININFARINA ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
285/40 R18 101H QUATTROPORTE V8 ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
285/40 R18 101Y QUATTROPORTE V8 ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
245/40 R19 94Y QUATTROPORTE 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/40 R19 94Y QUATTROPORTE PININFARINA 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/40 R19 94Y QUATTROPORTE V8 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/45 R19 98Y QUATTROPORTE 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/45 R19 98Y QUATTROPORTE PININFARINA 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/45 R19 98Y QUATTROPORTE V8 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
275/40 R19 101Y QUATTROPORTE ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
275/40 R19 101Y QUATTROPORTE PININFARINA ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
275/40 R19 101Y QUATTROPORTE V8 ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
285/35 R19 103Y QUATTROPORTE ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
285/35 R19 103Y QUATTROPORTE PININFARINA ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
285/35 R19 103Y QUATTROPORTE V8 ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
245/35 R20 95Y QUATTROPORTE 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/35 R20 95Y QUATTROPORTE PININFARINA 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/35 R20 95Y QUATTROPORTE V8 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/40 R20 99Y QUATTROPORTE 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/40 R20 99Y QUATTROPORTE PININFARINA 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/40 R20 99Y QUATTROPORTE V8 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
285/35 R20 100Y QUATTROPORTE ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
285/35 R20 100Y QUATTROPORTE PININFARINA ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
285/35 R20 100Y QUATTROPORTE V8 ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
295/30 R20 99Y QUATTROPORTE ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
295/30 R20 99Y QUATTROPORTE PININFARINA ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
295/30 R20 99Y QUATTROPORTE V8 ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
245/35 R21 96Y QUATTROPORTE 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/35 R21 96Y QUATTROPORTE PININFARINA 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
245/35 R21 96Y QUATTROPORTE V8 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa ––– –––
285/30 R21 100Y QUATTROPORTE ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
285/30 R21 100Y QUATTROPORTE PININFARINA ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa
285/30 R21 100Y QUATTROPORTE V8 ––– ––– 36 psi2.5 bar248 kPa 39 psi2.7 bar269 kPa

Always double-check against the tyre placard inside the driver's door or your Maserati 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 Quattroporte below Maserati'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 Maserati Quattroporte be?
It depends on your tyre size and variant — most Quattroporte 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 Maserati 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.
Still stuck? Chat with our team — we're happy to help. 🙂

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