'91 20v Mileage

Phil and Judy Rose pjrose at frontiernet.net
Tue Apr 25 09:36:10 EDT 2006

At 9:12 PM -0400 4/24/06, PeterBergin at aol.com wrote:
>I don't know how you guys do it on MPG's?  I have the Lehman chip, and 
>always see (before and after the chip), 18-19 in town and 25 at 65 
>mph and 22 at 
>75.  Mileage only changes when I put my winter tires on, up 1.5mpg.  I  have
>had the car since 65k and now have 200k.  I run synthetic Mobile 1  15/50
>usually year round.  I do a lot of 500 mile weekends on the highway 
>during the
>summer. I get 1.6-1.7 boost on the stock gauge.  No boost leeks,  changed O2
>sensor at 120k (no mph change) and keep it well tuned.  I keep  40 
>psi in my RE

My '91 200q (Lehmann chipped) gets fuel mileage pretty much in line 
with what Taka reported--high twenties and sometimes even a bit 
better on the highway at a steady 75-80 mph. Of course that's "Audi 
mph", which is really closer to 70. I've never driven at a steady 65, 
so I can't say what that would be. ;-) My computer's MPG output was 
adjusted years ago to be within about 5% of actual fill-up 
calculations, and I verify the "calibration" from time to time. While 
I routinely get 27-29 MPG on the highway, I can get as high as 30-31 
over long, flat stretches (125 miles) when I really concentrate on 
using a steady right foot, avoid "aggressive" passing and stay below 
80. There are many times that I seem to get better economy using of 
my own right foot rather than the cruise control.

The same car--around town--gets no more than about 18 MPG.

*  Phil & Judy Rose           Rochester, NY  *      
*        mailto:pjrose at frontiernet.net       *

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