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kiwisoma

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#154906 12-Nov-2014 12:39
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Hi Geeks

Anyone had the pleasure/ pain of owning or driving one the these?

We're looking at upgrading our A4 TSI 2.0 2008 avant/ station wagon next year and wondering if any had any advice or recommendations. Also looking at perhaps a 3 series diesel 2.0 BWM station wagon.

Cheers.

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ilovemusic
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  #1173529 12-Nov-2014 12:54
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newer b8 a4 is bigger, better handling, nicer to drive than a b7.

no horror stories, servicing costs ok unless non-routine work is required, then costs can get high.

bmw e90 3 series is smaller but much sportier and for handling will run rings around any audi.

don't get sucked into a motorsport, the suspension is unyielding and too stiff for nz goat tracks.

not driven new f30 3 series.

above only applies to nz new, imports are too much of a mixed bag to comment on.

davidcole
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  #1173563 12-Nov-2014 13:33
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I've not tried the 2 l TDI, but on one day test drove an A4 3l TDI, 3l TDI Q5 and 2l Turbo Petrol.  I should have started with the 2l Petrol and worked up as the petrol felt really bad compared to the Q5 - and the 3l TDI A4 felt the most responsive.

I had tried a 2.7 TDI in the past also - may have been the same year - seemed ok, but I preferred the idea of the quattros.  So if that's a factor check the 2l is 4wd or 2.

All subjective of course.  And I'm hoping they're good, as I'm just waiting till Friday before accepting delivery of the 2010 3l TDI A4...







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Batman
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  #1173605 12-Nov-2014 14:31
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i have never gone near an audi, but i thought a bmw x-drive would be superior in many ways (apart from comfort maybe)




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ilovemusic
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  #1173655 12-Nov-2014 16:03
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bmw x-drive is a joke.

your old subaru sti had a more sophisticated awd system.

ditto audi's proper quattro in cars with longitudinally placed motors cf. with the dopey haldex system used in their cars with transversally mounted motors.

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  #1173658 12-Nov-2014 16:05
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Ok have u got any reviews I'm interested in awd systems

Have read almost the entire awdwiki :) but those are designs rather than review on actual conditions




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  #1173659 12-Nov-2014 16:06
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Ps I thought audis broke and parts are more expensive vs bm?




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Batman
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  #1173687 12-Nov-2014 16:23
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ilovemusic: bmw x-drive is a joke.

your old subaru sti had a more sophisticated awd system.

ditto audi's proper quattro in cars with longitudinally placed motors cf. with the dopey haldex system used in their cars with transversally mounted motors.


ah rescrutinised awdwiki

x-drive is full time 4wd but mechanically open differentials (ie if the R front slips but L front has traction, power goes to R front) with electrical traction control

whereas Quattro is haldex 4wd with torsen centre diff and some models have rear LSDs.

but from the videos I've seen, audis and bmws both get stuck easily (umm separate videos, not controlled comparisons)

also on awdwiki the A3 is FWD but not sure about A4




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ilovemusic
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  #1173743 12-Nov-2014 18:31
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reviews - depends on what model you are interested in.

search websites of major uk car mags like autocar, auto express, car, evo etc.

uk 'cos their spec is closest to what we get in nz.

if you google haldex you'll find they are basically fwd until the front wheels lose traction and the system shifts drive (via hydraulic pump on early systems, latest uses an electro-hydraulic system and reacts much faster).

haldex and torsen are two systems.

haldex is teh half-witted part-time hydraulic system.

torsen is a mechanical torque sensing system.

as i said earlier your old soob was more sophisticated.

subaru (and mitsubishi) were true leaders in awd tech with things like limited slip diffs and torque vectoring a good decade or so before the europeans.

having owned a few of the above my personal preference in sporty cars is for a good two-wheel drive.

;)







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  #1173749 12-Nov-2014 18:51
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yeah 2wd seems like a good idea for a bit of fun, unfortunately in the real world conditions in south island NZ ... a bit of mistake will lead to death or maiming of someone, driver or other :(

ok we've hijacked this thread I think ...

if you want to go audi 2012 - I envy you! have fun! (PS I looked at the latest A4 ... um ... very very small? or is it just how it looks to the outside person?




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  #1175038 13-Nov-2014 11:16
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ilovemusic: bmw x-drive is a joke.

your old subaru sti had a more sophisticated awd system.

ditto audi's proper quattro in cars with longitudinally placed motors cf. with the dopey haldex system used in their cars with transversally mounted motors.


spent some time finding why i said what i said

see http://www.youtube.com/results?search_query=audi+vs+bmw+4wd+test

so in the clip below, that particular Q5 could not distribute torque to the appropriate axle - seems rigged to me!???





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  #1175117 13-Nov-2014 12:18
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and in this clip, where only one wheel has traction, the merc and the audi could not get the torque to that wheel while the BMW's fancy vehicle dynamics control system could, despite have mechanically open diffs

but if you're in NZ that's rarely a problem unless you're trying to go up a snowed mountain without chains = fall of the cliff and die a fiery death





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lxsw20
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  #1175165 13-Nov-2014 13:25
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Wow would have thought all the euro boxes used LSD's of some sort now days. Maybe an optional extra. 

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  #1175230 13-Nov-2014 14:08
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no. they're rubbish at finding traction in tricky conditions. it's good when one front wheel slips, then you have the back wheels to push the car up if you have 4wd.

if you ahve 2wd and one front wheel slips you're stuffed coz the torque all goes to that wheel! 

but if one front and one back wheel slips at the very same time and the car has not had momentum ... it looks like a volvo/merc/toyota/honda ain't got a squat of a chance. the rest ... well .. there is some hope but ... i guess if that happens you can back up and floor it :D




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  #1175231 13-Nov-2014 14:11
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oh updated the first clip where the audi could not send any torque to either of the front wheels. i think there's something fishy going on there ...

anyway here audi fights back - note this is a differnet model than the Q5 shown on above clips





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davidcole
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  #1175243 13-Nov-2014 14:24
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joker97: oh updated the first clip where the audi could not send any torque to either of the front wheels. i think there's something fishy going on there ...

anyway here audi fights back - note this is a differnet model than the Q5 shown on above clips



This 2nd one looks like a sq5 (and newer) than the first clip from bmw.




Previously known as psycik

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