gk1

Can someone please post a photo of the tire pressure recommendations from a US 2014 Q5 3.0T owner's manual?

I have a 2014 SQ5 and the Audi winter setup will be going on soon with 235/55-19 but do not have the recommended partial load tire pressures.
Dealer simply states "follow the door sticker" which is for MAX load on the 21" setup only.

Thank you.

spijun

This is from electronic catalog

MP4.2+6.0

But, search is your friend, and did you look in your own owner's manual, since this source/link goes right back to that?

https://www.audiworld.com/forums/sho...php?p=24491644

Beyond the narrow question of what the pressure #'s are, look across the identical tires as between the Q5 and SQ5 in 20's and 21's and note the clearly stepped up SQ5 pressures. No one has a great explanation I've heard for that, since obviously the tires and wheel sizings are identical, and fundamentally both are of similar weight; it continues to feed into discussion of whether there is any real difference in US SQ5 suspensions verifiable at the parts number level.Regardless, you should consider if you want to similarly step up the pressures some on the 19's, or just go to the standard full load 3.0T pressure as another possible. If you step up the pressures, notice in the 19's and 20's for summer tires, the pressures on non-SQ's happen to be the same. You could then conclude to use the SQ 20" pressures as an analogous proxy.

Stepping back, about 40 psi on a 45 series (or a 40) in this weight arena and with sounds rational--kind of what I see when net all the SQ5 possible pressures to a midpoint number. I have consistently run around 38-40 PSI on my A6 4.2 that uses 255's in 40 and 45's (depending on which wheel diameter I run), and I keep coming back to those as my preferred pressures in summers, A/S and snows for wear, handling and ride. Facing a similar question but from the other direction, as I switch from 19's to 20's on a Q5, I really don't see myself running only 29-33 psi as the same pressure tables would suggest. 35 or 36 maybe (on a 2.0T Hybrid). I also need probably 15-20K miles of tire running experience to really see how it wears at the chosen pressure.

gk1

Yes, but it is strange to see such a low pressure (30PSI) recommended for 235/55-19, and the same pressure for 2.0T and 3.0T?, but there must be a weight difference between the two. And why are the same size tires on Q5 different pressures on SQ5? (By 10PSI in some cases) Makes me think the winter setup for the SQ5 would also have higher pressure, maybe around 36 PSI?(Which lines up close with spijun's post above.)
It just seems odd and I wanted to see others for comparison. Thanks

MP4.2+6.0

I edited it while you replied. You may find some overlapping thoughts to your thoughts and questions there, and my takeaways.

gk1

I see. Thank you for the thorough thoughts.

I guess part of my issue is the dealership techs did not know. They guessed first at "use door sticker pressure" then when pushed said "around 36 PSI is what I would recommend for a Q5 but if it seems too 'squishy' raise it...". This just irks me being a German precision machine there usually exists some very specific number it sounds like they just did not feel like searching for it or researching it.

MP4.2+6.0

going back to the Ford Explorer and Firestone roll over fiasco. That led pretty directly to the tire pressure stickers starting about 2007 that now found on all US vehicles like you looked at--it is only for the wheel and tire size shipped with the car, and only shows the pressure for the maximum load. The manual is a better source, and alternately info directly from Europe not colored by the regulatory compliance stuff. (Thus look at spijun's info more, and convert the bars to PSI.) Euro stickers pre change here (like on my other Audis), are more informative tan current ones, but also assume the driver has a brain and can process choices. Or, even better get a poster to capture a picture of a current Q5 Euro pressure sticker. The US service guys are kind of caught in the middle too, because their baseline training now probably is simply not to stray from the stickers.

Audi is not doing anyone favors in the US on the SQ on suspension and tires in my opinion either. The info out there about the suspension and such has essentially been deduced from outside, with Audi only then acknowledging the fairly obvious. The Hybrid BTW is in kind of an Audi backwater PR wise, but similar suspension ride height baloney actually was present on the original hybrid specs. The Hybrid is supposed to be slightly lower to improve Cd. Meanwhile, they seem to have PR flaks churning out the same old supposed spec data that is Euro sourced but then not carefully explained for what is really happening on the US side. Of course along the way, they would have to admit they are obviously gaming the US fuel economy regulations by classing them as light trucks--as is probably every other manufacturer of cross overs--instead of general passenger vehicles as they clearly are. At least Audi and other Euro manufacturers aren't known to then play the further, and dangerous, game of building the safety equipment to various permitted lesser standards.