S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

Gas milage?

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Old Mar 13, 2000 | 03:56 AM
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George @ BostonAudi's Avatar
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Default Gas milage?

Okay here's a question for everyone:

What sort of milage are you getting? Filled my car up on Saturday with a tank full of gas at the bargain price of $1.84 a gallon, which makes me wince all the more when I can watch my gas guage falling.

My car's telling me a pretty solid 16.0 MPG average. Better, actually, then my J30 was, but gas was fifty cents a gallon cheaper back when I was driving it last year!

Either way, I guess I can't talk sh*t about those gas-guzzling SUV's!
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Old Mar 13, 2000 | 04:05 AM
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Jim De Arras's Avatar
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Default I get 24mpg + on highways.

I live in the country, so my average is over 20. The way to maximize your gas milage is to think ahead and drive so as to use as little deceleration, be it brakes or engine load, as possible. "jack rabbit" starts don't really hurt gas milage, as long as you can keep the momentum you just acquired. If you must stop or slow after such a start, then you wasted gas.

The engine is so "smart" that it'e efficency in turning gas into momentum is pretty much uniform no matter what the throttle. You waste gas by shedding that momentum faster than you would with the brake off and clutch depressed, i.e., more deceleration than coasting (Georgia Overdrive! ;-) )will cause.
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Old Mar 13, 2000 | 04:07 AM
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Default How many miles on your car? milage gets better after brake-in

and with synthetic oil.
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Old Mar 13, 2000 | 05:30 AM
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George @ BostonAudi's Avatar
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Default Re: How many miles on your car? milage gets better after brake-in

I've got the initial synthetic oil in the engine, and the car's at 800 miles or so.

I seem to get 22 or so on the highways when there's no traffic, but here in Boston that means after 1am or so.
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Old Mar 13, 2000 | 06:06 AM
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Default "initial synthetic"? Car comes with standard oil. And at 800, you are not broken in, yet!

Milage goes up as you go from 1000 to 2000 or so.


Your milage sounds about right for a "young" engine!
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Old Mar 13, 2000 | 06:24 AM
  #6  
s4wood's Avatar
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Default Jim...you don't drive like us....

I get 16-17 actual mpg...and about 17-18 according to the trip computer. I definitely have fun driving.

Steve S.
00 S4
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Old Mar 13, 2000 | 06:33 AM
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Jim De Arras's Avatar
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Default I didn't say I always drive like that! I have fun, too. ;-)

I just posted the way to get the most milage possible!

The bulk of my driving is highway/interstate, however, so little braking is needed.
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Old Mar 13, 2000 | 07:23 AM
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Default Your mileage will go up

At first I was only averaging 15mpg or so, now its around 19mpg. I have 2500 miles and I'm chipped.
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Old Mar 13, 2000 | 08:09 AM
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Default actually, the mileage is very low in all driving conditions and habits.

even conservative city driving delivers no more than 18 mpg for me. When I drive hard, look for 12 mpg. Can you say, "lower than my friend's 3/4 ton chevy?"
Tristan... doing my part to keep OPEC in business.
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Old Mar 13, 2000 | 08:16 AM
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Tom Barber's Avatar
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Default At 2000 miles, mine is still just a tad over 16 mpg. (more)

I can't help but wonder whether, with the turbo coming on and the pressure increasing, that detonation is imminent, and that the timing is retarded, resulting in incomplete combustion. I'm going to have to find some pump fuel in the Denver area with 94 octane, run a couple of tankfulls of that, and see if there is any difference.
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