[A4] FWD: Re: Need for Premium Gas in 1.8T quattro?

gt40 gt40 at mail.ev1.net
Thu Sep 21 17:44:47 EDT 2006

Absolutely you can run mid-grade or low-grade fuel.  I've been 
running 87 octane fuel in my '01 A4 for 190,000 miles.

The car is a bit down on power under full-throttle acceleration, 
but not enough to really notice unless you were on a dyno or at a 
drag strip.  (FWIW, I've seen the ECU pull out as much as 4 
degrees of timing due to pre-ignition.  Not all that much, really, 
but enough to put you about 10-15HP down.)

Fuel efficiency is NOT drgraded and you are NOT wasting fuel!  I 
get 33mpg on the freeway and 29-30 in town -- have been since '01.

I'll say it again, I've run 87 octane for 190,000 miles with ZERO 
ill effects.

-- Robert  

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