[s-cars] Ideas to Increase mpg?

[Fred Munro]

Dave;

My daily commute is 150 miles, about 25% city 75% highway. My stock '97 S6
consistently delivers 9-10 litres/100 km, which is around 25 - 27 miles per
your tiny U.S. gallon. I improved my mileage ~20% when I decided to keep the
speed 110 kph or less on the four-lane - it only added a few minutes to the
commute but considerably increased the weight of my wallet.

The UrS is quite fuel efficient for the weight of the car ...if you keep
your foot out of it.

Fred Munro
'97 S6


-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of David Kase
Sent: June 12, 2009 9:32 PM
To: s-car-list at audifans.com
Subject: [s-cars] Ideas to Increase mpg?

I did a 7 month search in the archives and did not see a thread related to
fuel mileage.

I am keeping my B5 S4 as a secondary car and am currently doing some
upgrades to it.  My recently purchased S6 is doing dd duty.  I have a 60
mile round trip each day and at 20 mpg, I could stand better fuel mileage.
I do 55 of the 60 miles on the open highway.

I was thinking of selling the C4 and buying a TDI (saving ~$100/month) but I
just don't think I will enjoying driving it everyday (Probably a 99-02
Jetta).  I also am considering a 1.8T A4.  But, I figure if I can get the
mileage better in the S6 then I will just keep it.  I'd love to get over 25
mpg but I don't know if it is even possible.

Step 1 - go from CRAP (TAP) ECU to stock.  Then what?  

No matter what I do I know I will be rolling on the power from time to time.
It seems like you can never get that mileage back over a tankful.

Respectfully,
Kase


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