[Biturbos4] Learing about S4 differences

[Ti Kan]

World Cyclist writes:
> We're in the process of searching for a nice late model S4 for sale and =
> since i don't know much about the details -- differences year to year -- =
> and any possible "good" or "better" versions, I thought this would be =
> the perfect group to bounce the question off of.
> 
> At this point, due to economics, I think it'll be a '00 or '01. I've yet =
> to drive one but know a local guy who has a chipped S4 that i could =
> probably try.  Kinda been holding off since it'll likely make me think =
> our A4 30V is much too slow.
> 
> Would sure like any input or ideas, whether you have a nice S4 for sale, =
> or personal experience to share.

If you're in the US, the S4 2.7 biturbo was offered only for the '00 to '02
model years.  There was no '03 S4, and then beginning for the '04 model
year the new S4 4.2 V8 debuted.

There were a number incremental improvements made to the S4 biturbo 
between the '00 and '01.5 models.  The most notable is the upgraded
turbos with larger oil lines.  If your budget allows it, I'd recommend
going with a '01.5 or '02 car.  See the archives for this list for
many discussions about the changes.

-Ti
2003 A4 1.8T multitronic
2001 S4 biturbo 6-sp
1984 5000S turbo
1980 4000 2.0 5-sp
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