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Suspension - SQ5 versus 3.0T

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Old 09-08-2013, 08:03 PM   #1
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Default Suspension - SQ5 versus 3.0T

How does the SQ5 suspension compares to the 3.0T? Does the adaptive suspension make a big difference on the 3.0T?
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Old 09-11-2013, 10:41 AM   #2
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I feel that the suspension on my 2014 SQ5 is much tighter than the standard suspension in the 2013 Q5 3.0T that I test drove. The SQ5 feels "corvette tight" to me, and you really feel the road much more than the standard model's ride. This is independent of which driving mode you are in, as shock dampening is not a selectable option on my MMI (and I have the Prestige model).
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Old 09-11-2013, 12:03 PM   #3
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I agree, it's very car like in the turns but obviously has a higher center of gravity.

It's stiff but not overly so. I don't miss the adaptive suspension I had in my S4.
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Old 09-11-2013, 12:06 PM   #4
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Default But, per a good number of posts now...

and parts listing confirms there appears to be no difference in the suspension in the U.S. from the 3.0T (or others) to the SQ, other than the adjustment found w/ drive select. Are you sure its not just 20's or 21's vs a smaller size on the 3.0T, or the higher air pressures the SQ seems to be spec'ed with for the same size tires even w/out an underlying real difference in the suspension?
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Current #2: 2013 Q5 2.0T hybrid; Scuba blue w/ chestnut sport interior; Euro delivery 7/2013 (pictured at Ingolstadt); RS5 front brakes
Prior (each modded): 2000 C5 A6 4.2 & '96 C4 A6 2.8Q, both still w/ family; '85 C3 5000S 5 sp FWD; '73 C1 100LS

helpful cross reference to a C6 post with MMI and other TSB's that also cover D3 A8's.


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Old 09-12-2013, 08:48 AM   #5
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According to the Audi Sport 2014 brochure the SQ5 has a "tuned sport suspension". I don't doubt the statement from user MP4.2+6.0 that the parts are the same between SQ5 and Q5, since that's efficient German engineering. It's more likely that the SQ5 comes with the electronic suspension dampening is set for extra firm.

I do recall reports that the 2014 SQ5 would have a lowered ride height and shorter springs than stock, but I can find no proof of this in documentation online.
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Old 09-12-2013, 09:04 AM   #6
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The brochure on the US site says "SQ5 sport calibrated suspension". Whatever that means.
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Old 09-12-2013, 11:45 AM   #7
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Default On preceding two posts, if you read thru boards in last few months...

you will find the conclusion in recent months that the US SQ5 got stiffed on any real changes here in the U.S. It apparently happened because it has to qualify in Audi's framework as a "small truck" to play the CAFE fuel economy games all the manufacturers do, to deal with various safety regulations that diverge between the two classes (Audi doesn't typically play this game; non Euro players often do), and to deal with some overlapping areas to the prior like bumper heights. Simplifying, among other things you need a minimum ride height (around 7 inches?) to fit in the category. Sport or similar suspension ride heights and/or ones for lower Cd's thus get the ax.

Hence apparently no revisions for U.S. bound SQ5's. As a trivia matter but suggesting the same issue, the Hybrid was supposed to sit lower too for Cd but that doesn't seem to have happened either. The parts #'s check backs these conclusions up generally. A few posts at the owner's manual and door jamb tire sticker level have revealed the SQ tire pressure settings are apparently meaningfully higher, but it's a bit unanswered as to why, or whether it was a typo or mistake. But if they are inflated a lot more, it will change ride feel, albeit anyone can do that with any Q5 based model.

Meanwhile, not surprisingly Audi marketing got ahead of the spec. They often just seem to duplicate the Euro copy (and often use Euro stock photos), but in cases like this it creates misinformation. I've seen it before on Audi performance models where some things folks expected to be there don't make the translation to the actual U.S. product they finally ship.
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Current #1: '06 D3 A8L W12 brilliant black w/ amaretto; 4 seat setup, CPO; modestly lowered, H&R 20mm rear and 12mm front DRs with 275/35 on OEM polished + forged 20's; S8 sway bars (see: rear bar and gen'l D3 bar info and front bar); tweaked 385mm front factory brake mod and matching rear brake mod; matching C6 A6 back headrests (better rear view: headrest tweak); owner installed AMI retrofit with part number details here. [pics now only in picture poster] Upper control arm reference (+ more info in replies) here. Lower cost D3 OES sway bar links here.
Current #2: 2013 Q5 2.0T hybrid; Scuba blue w/ chestnut sport interior; Euro delivery 7/2013 (pictured at Ingolstadt); RS5 front brakes
Prior (each modded): 2000 C5 A6 4.2 & '96 C4 A6 2.8Q, both still w/ family; '85 C3 5000S 5 sp FWD; '73 C1 100LS

helpful cross reference to a C6 post with MMI and other TSB's that also cover D3 A8's.

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Old 09-13-2013, 05:43 AM   #8
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I think what makes the difference is the lower profile tires. That's definitely going to make a difference on steering response.
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Old 09-13-2013, 06:50 AM   #9
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I was under the impression that, yes - indeed - ride height (and spring rates) are identical to other US spec Q5's (and don't get the 'Euro' treatment here in the US), but the SQ5 has different/stiffer dampers/shocks and thus qualifies the statement "SQ5 sport calibrated suspension". I feel like this has already been confirmed on the forum already...but I could be totally wrong (it's happened before...just ask my soon to be ex-wife! lol!)
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Old 09-13-2013, 08:38 AM   #10
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Quote:
Originally Posted by acadianbob View Post
I think what makes the difference is the lower profile tires. That's definitely going to make a difference on steering response.

Mistake
The difference between the of factory wheels 255/45R20 and 255/40R21 is only 1mm

Click the image to open in full size.
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Old 09-13-2013, 09:16 AM   #11
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Quote:
Originally Posted by spijun View Post
Mistake
The difference between the of factory wheels 255/45R20 and 255/40R21 is only 1mm

Click the image to open in full size.
1mm might be the difference between the overall wheel+tire height. The sidewall height on 21" is 1/2" lower vs 20", which is close to 13mm. So yeah, the 21" wheels are lower profile. Plus your offsets are whack. I believe they are 33 on the SQ5.
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Old 09-13-2013, 11:57 AM   #12
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Quote:
Originally Posted by koobah View Post
1mm might be the difference between the overall wheel+tire height. The sidewall height on 21" is 1/2" lower vs 20", which is close to 13mm. So yeah, the 21" wheels are lower profile. Plus your offsets are whack. I believe they are 33 on the SQ5.
On quattro drive and vehicle of 1800 kg think it is difficult to almost impossible to notice the difference of 13mm on the steering wheel
True I made a mistake for offsets, but it has nothing to do with the height 1mm
ET33 should instead of ET39 but this is not important in this case

You can put ET-65 or ET80 height remains the same

So normal to have a lower profile and it written on the tire 255/40 vs 255/45, but you are forget that 1" more

This is important
Click the image to open in full size.

Conclusion: a set of tires 255/40R21 for 1mm lower than sets of tires 255/45R20

Good luck
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Last edited by spijun; 09-13-2013 at 01:06 PM.
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Old 09-13-2013, 08:48 PM   #13
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Default I do not think this has been confirmed on the U.S. side

Spijun posted about it on the Euro side. On the U.S. side I don't recall any confirming posts, and U.S. EKTA isn't available outside the dealer network for 2014's as far as I know. Being specific, I am referring to either spring rates or damper firmness, which can either relate to or be independent of ride height. (Damper total travel and right height should relate to draw that out--in other words, shorter springs would typically mean shorter struts/shocks.) I do think the ride height issue has now gotten the proverbial fork stuck in it, including other current threads where the answers keep coming back the ride height for U.S. SQ's in the same as the other Q's, including now by a few posts (finally) with tape measures confirming it on the dealer lot. There are some online sites where you can see EKTA parts listings, but it only runs through 2013 AFAIK, and they aren't U.S. centric.

Thus, so far, I'm not sure that sport tuned in the U.S. means any more than optional 21's and some more PSI in the tire settings, or as mentioned previously, frankly that the U.S. marketing/copy writing people are just duplicating Euro PR copy and don't know what the U.S. specs actually ended up being. And we also know from lots of posts there have been more than a few mistakes in the Audi web site and in the PIB, so neither seem definitive source reliable either. I think it really takes part number scrutiny on U.S. specific models.
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Current #1: '06 D3 A8L W12 brilliant black w/ amaretto; 4 seat setup, CPO; modestly lowered, H&R 20mm rear and 12mm front DRs with 275/35 on OEM polished + forged 20's; S8 sway bars (see: rear bar and gen'l D3 bar info and front bar); tweaked 385mm front factory brake mod and matching rear brake mod; matching C6 A6 back headrests (better rear view: headrest tweak); owner installed AMI retrofit with part number details here. [pics now only in picture poster] Upper control arm reference (+ more info in replies) here. Lower cost D3 OES sway bar links here.
Current #2: 2013 Q5 2.0T hybrid; Scuba blue w/ chestnut sport interior; Euro delivery 7/2013 (pictured at Ingolstadt); RS5 front brakes
Prior (each modded): 2000 C5 A6 4.2 & '96 C4 A6 2.8Q, both still w/ family; '85 C3 5000S 5 sp FWD; '73 C1 100LS

helpful cross reference to a C6 post with MMI and other TSB's that also cover D3 A8's.


Last edited by MP4.2+6.0; 09-13-2013 at 09:05 PM.
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Old 09-14-2013, 06:46 AM   #14
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Quote:
Originally Posted by spijun View Post
Mistake
The difference between the of factory wheels 255/45R20 and 255/40R21 is only 1mm

Click the image to open in full size.
I was referring to vs the 3.0T which has 19s and a higher sidewall.
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Old 09-14-2013, 06:48 AM   #15
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It seems like the only real meaningful difference between the SQ5 and the 3.0T with S-Line, is the higher-tuned engine. Is that about right? I know the SQ5 has slightly different interior trim, and slightly different rear bits. But by and large, that's it.
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Old 09-14-2013, 07:34 AM   #16
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Quote:
Originally Posted by dougnash View Post
It seems like the only real meaningful difference between the SQ5 and the 3.0T with S-Line, is the higher-tuned engine. Is that about right? I know the SQ5 has slightly different interior trim, and slightly different rear bits. But by and large, that's it.
True, the same engine only difference in injection and ECU software
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Old 09-14-2013, 07:47 AM   #17
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Quote:
Originally Posted by acadianbob View Post
I was referring to vs the 3.0T which has 19s and a higher sidewall.
Ok, but the next time to write exactly which model you think, (in Canada is 20 "on the S-line standard )
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Old 09-14-2013, 08:24 AM   #18
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Default That, and a few other items

Front brakes are 380 mm. Seem to be out of the current D4 A8 parts bin from the 3.0T motor version:
  • semifloating rotors similar those also found on old C5 RS6, current RS5 and early R8 (those in 365mm and with a much different many piston Brembo caliper). Pin based design with a lighter hat make them somewhat lighter for the given diameter compared to a regular single cast iron rotor, albeit probably still heavier than the 345's on the 3.0T, TDI and Hybrid
  • some conflicting info so far, but calipers look like pretty standard issue volume Audi (A6, A8, etc.) with a paint job. Larger mass than the 345mm ones.
Quad exhaust a la pretty standard Audi S model (not S line): But no posts on whether this is just trim and sound or there is an actual pipe diameter and real flow change underneath compared to a std. 3.0T.; parts listings of the earlier sections would show this.
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Current #1: '06 D3 A8L W12 brilliant black w/ amaretto; 4 seat setup, CPO; modestly lowered, H&R 20mm rear and 12mm front DRs with 275/35 on OEM polished + forged 20's; S8 sway bars (see: rear bar and gen'l D3 bar info and front bar); tweaked 385mm front factory brake mod and matching rear brake mod; matching C6 A6 back headrests (better rear view: headrest tweak); owner installed AMI retrofit with part number details here. [pics now only in picture poster] Upper control arm reference (+ more info in replies) here. Lower cost D3 OES sway bar links here.
Current #2: 2013 Q5 2.0T hybrid; Scuba blue w/ chestnut sport interior; Euro delivery 7/2013 (pictured at Ingolstadt); RS5 front brakes
Prior (each modded): 2000 C5 A6 4.2 & '96 C4 A6 2.8Q, both still w/ family; '85 C3 5000S 5 sp FWD; '73 C1 100LS

helpful cross reference to a C6 post with MMI and other TSB's that also cover D3 A8's.


Last edited by MP4.2+6.0; 09-14-2013 at 08:27 AM.
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Old 09-14-2013, 10:05 AM   #19
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Quote:
Originally Posted by MP4.2+6.0 View Post
Front brakes are 380 mm. Seem to be out of the current D4 A8 parts bin from the 3.0T motor version:
  • semifloating rotors similar those also found on old C5 RS6, current RS5 and early R8 (those in 365mm and with a much different many piston Brembo caliper). Pin based design with a lighter hat make them somewhat lighter for the given diameter compared to a regular single cast iron rotor, albeit probably still heavier than the 345's on the 3.0T, TDI and Hybrid
  • some conflicting info so far, but calipers look like pretty standard issue volume Audi (A6, A8, etc.) with a paint job. Larger mass than the 345mm ones.
Quad exhaust a la pretty standard Audi S model (not S line): But no posts on whether this is just trim and sound or there is an actual pipe diameter and real flow change underneath compared to a std. 3.0T.; parts listings of the earlier sections would show this.
Believe it or not in the A6, A6 Avant, A7 Sportback implanted the same discs and components as well as the A4, A5, Q5: 320x30mm, 345x30mm company TRW-Girling

Click the image to open in full size.
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Old 09-14-2013, 01:59 PM   #20
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Quote:
Originally Posted by MP4.2+6.0 View Post
Front brakes are 380 mm. Seem to be out of the current D4 A8 parts bin from the 3.0T motor version:
  • semifloating rotors similar those also found on old C5 RS6, current RS5 and early R8 (those in 365mm and with a much different many piston Brembo caliper). Pin based design with a lighter hat make them somewhat lighter for the given diameter compared to a regular single cast iron rotor, albeit probably still heavier than the 345's on the 3.0T, TDI and Hybrid
  • some conflicting info so far, but calipers look like pretty standard issue volume Audi (A6, A8, etc.) with a paint job. Larger mass than the 345mm ones.
Quad exhaust a la pretty standard Audi S model (not S line): But no posts on whether this is just trim and sound or there is an actual pipe diameter and real flow change underneath compared to a std. 3.0T.; parts listings of the earlier sections would show this.
Didn't know about the brake specs, but the devil is in the details. Exhaust, rear valance, mirrors, grille, inst panel gauges, carbon fiber trim, pretty much your standard A vs S fare.
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Old 09-14-2013, 01:59 PM
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