19” tire pressure?

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03-27-2018, 10:20 AM

cheewy

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19” tire pressure?

Those with 19s, what tire pressure are you running? Mine came with 18s...so I’m reaching out.

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03-27-2018, 10:34 AM

Jpieri4

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36 front, 33 back

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03-27-2018, 06:26 PM

cheewy

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Thanks!

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04-01-2018, 06:50 PM

StKnowhere

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Car Tire Pressure
A4 with the 2.0L 4-cyl. Gasoline Engine with:

225/50 R17 94H All-season Tires:
Normal load (F/R psi): 30/28
Max. Load (F/R psi): 35/35

245/40 R18 93Y High-performance Tires:
Normal load (F/R psi): 30/28
Max. Load (F/R psi): 33/33

245/40 R18 97H All-Season Tires:
Normal load (F/R psi): 35/32
Max. Load (F/R psi): 36/36

245/35 R19 93Y High Performance Tires:
Normal load (F/R psi): 36/33
Max. Load (F/R psi): 41/44

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05-05-2021, 01:42 PM

username4a

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Quote:

Originally Posted by StKnowhere

I've never had a car with different tire pressure for front/back. Why would the front have a higher pressure? And doesn't this make the tires wear unevenly?

I have 245/35 R19 Continental...

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05-05-2021, 02:46 PM

SMac770

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The car is not 50/50 balanced. More weight on the axle requires more tire pressure for the same contact patch. Audi's document for the 8W "45" with 18" or 19":
partial load (two adults in front) - 36 front / 33 rear for normal tires or 41 front / 38 rear for "ECO" tires
full load (five adults and full trunk load) - 41 front / 44 rear
wow, those are up there, more than the pressures on my B8.0 2.0T avant.

As for wear, you rotate tires every 5k for a reason.

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05-05-2021, 03:24 PM

PghRich

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I'm not sure I've ever had a car where F and R pressures were the same. Certainly not in the last 5 family cars over 10 years.

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05-10-2021, 02:05 AM

Raf99

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I was shocked to see 41 front / 44 rear listed for pressure. Dam that's high. I know it's full load but if you have a family that's everyday.

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05-10-2021, 05:39 AM

up-n-coming

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Quote:

Originally Posted by Raf99

I was shocked to see 41 front / 44 rear listed for pressure. Dam that's high. I know it's full load but if you have a family that's everyday.

Actually it's for a full load of passengers, a full load of luggage in the trunk and for sustained high speed driving on the highway. Basically it's for long distance trips. Under those conditions the tires generate a lot of heat. Higher tire pressure dissipates heat better than lower pressure so the tires don't fail from overheating.