Saab 45905 Tyre Pressures

Manufacturer-recommended front and rear pressures for every 45905 tyre size and variant — in psi, bar or kPa.

6
Wheel sizes
4
Model variants
£26
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Find the right pressure for your Saab 45905

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 Saab 45905 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 Saab 45905

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

Tyre sizeFrontFront (loaded)RearRear (loaded)
175/65 R14 82V 9-5 VECTOR 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa ––– –––
195/65 R15 91Q 9-5 ARC 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
195/65 R15 91Q 9-5 LINEAR 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
195/65 R15 91Q 9-5 SE 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
195/65 R15 86T 9-5 SE 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa 33 psi2.3 bar228 kPa 36 psi2.5 bar248 kPa
195/65 R15 91H 9-5 VECTOR 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa
195/65 R15 91Q 9-5 VECTOR 33 – 35 psi2.3 – 2.4 bar228 – 241 kPa 36 – 41 psi2.5 – 2.8 bar248 – 283 kPa 33 – 35 psi2.3 – 2.4 bar228 – 241 kPa 36 – 41 psi2.5 – 2.8 bar248 – 283 kPa
205/65 R15 94V 9-5 ARC 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
205/65 R15 94V 9-5 LINEAR 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
205/65 R15 99V 9-5 LINEAR 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
205/65 R15 94V 9-5 SE 30 – 35 psi2.1 – 2.4 bar207 – 241 kPa 39 – 41 psi2.7 – 2.8 bar269 – 283 kPa 30 – 35 psi2.1 – 2.4 bar207 – 241 kPa 39 – 41 psi2.7 – 2.8 bar269 – 283 kPa
205/65 R15 94V 9-5 VECTOR 30 – 38 psi2.1 – 2.6 bar207 – 262 kPa 39 – 45 psi2.7 – 3.1 bar269 – 310 kPa 30 – 38 psi2.1 – 2.6 bar207 – 262 kPa 39 – 45 psi2.7 – 3.1 bar269 – 310 kPa
205/65 R15 99V 9-5 VECTOR 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
215/60 R15 94V 9-5 VECTOR ––– ––– 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa
205/55 R16 91Q 9-5 ARC 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
205/55 R16 91Q 9-5 LINEAR 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
205/55 R16 91Q 9-5 SE 32 – 35 psi2.2 – 2.4 bar221 – 241 kPa 39 – 41 psi2.7 – 2.8 bar269 – 283 kPa 32 – 35 psi2.2 – 2.4 bar221 – 241 kPa 39 – 41 psi2.7 – 2.8 bar269 – 283 kPa
205/55 R16 91Q 9-5 VECTOR 32 – 35 psi2.2 – 2.4 bar221 – 241 kPa 39 – 41 psi2.7 – 2.8 bar269 – 283 kPa 32 – 35 psi2.2 – 2.4 bar221 – 241 kPa 39 – 41 psi2.7 – 2.8 bar269 – 283 kPa
215/55 R16 93W 9-5 ARC 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
215/55 R16 93V 9-5 LINEAR 35 psi2.4 bar241 kPa 42 psi2.9 bar290 kPa 32 psi2.2 bar221 kPa 39 psi2.7 bar269 kPa
215/55 R16 93W 9-5 LINEAR 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
215/55 R16 93V 9-5 SE 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa 32 psi2.2 bar221 kPa
215/55 R16 93W 9-5 SE 32 – 35 psi2.2 – 2.4 bar221 – 241 kPa 39 – 41 psi2.7 – 2.8 bar269 – 283 kPa 32 – 35 psi2.2 – 2.4 bar221 – 241 kPa 39 – 41 psi2.7 – 2.8 bar269 – 283 kPa
215/55 R16 93H 9-5 VECTOR 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa
215/55 R16 93V 9-5 VECTOR 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa
215/55 R16 93W 9-5 VECTOR 32 – 38 psi2.2 – 2.6 bar221 – 262 kPa 39 – 45 psi2.7 – 3.1 bar269 – 310 kPa 32 – 38 psi2.2 – 2.6 bar221 – 262 kPa 39 – 45 psi2.7 – 3.1 bar269 – 310 kPa
225/45 R17 94W 9-5 ARC 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
225/45 R17 94W 9-5 LINEAR 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
225/45 R17 94W 9-5 SE 32 – 35 psi2.2 – 2.4 bar221 – 241 kPa 41 – 44 psi2.8 – 3.0 bar283 – 303 kPa 32 – 35 psi2.2 – 2.4 bar221 – 241 kPa 41 – 44 psi2.8 – 3.0 bar283 – 303 kPa
225/45 R17 94H 9-5 VECTOR 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa
225/45 R17 94W 9-5 VECTOR 36 – 38 psi2.5 – 2.6 bar248 – 262 kPa 44 – 45 psi3.0 – 3.1 bar303 – 310 kPa 35 – 38 psi2.4 – 2.6 bar241 – 262 kPa 42 – 45 psi2.9 – 3.1 bar290 – 310 kPa
235/45 R17 94W 9-5 ARC 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
235/45 R17 94W 9-5 LINEAR 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
235/45 R17 94W 9-5 SE 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa 35 psi2.4 bar241 kPa 41 psi2.8 bar283 kPa
235/45 R17 94W 9-5 VECTOR 35 – 38 psi2.4 – 2.6 bar241 – 262 kPa 41 – 45 psi2.8 – 3.1 bar283 – 310 kPa 35 – 38 psi2.4 – 2.6 bar241 – 262 kPa 41 – 45 psi2.8 – 3.1 bar283 – 310 kPa
225/45 R18 95H 9-5 VECTOR 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa
225/45 R18 95W 9-5 VECTOR 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa
245/45 R18 100V 9-5 VECTOR 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa
245/45 R18 100W 9-5 VECTOR 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa
245/40 R19 98H 9-5 VECTOR 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa
245/40 R19 98Y 9-5 VECTOR 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa 38 psi2.6 bar262 kPa 45 psi3.1 bar310 kPa

Always double-check against the tyre placard inside the driver's door or your Saab 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 45905 below Saab'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 Saab 45905 be?
It depends on your tyre size and variant — most 45905 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 Saab 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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