Whats your City MPG - UPDATE 10/18/06 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-22-2006, 02:31 PM   #1
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Default Whats your City MPG - UPDATE 10/18/06

I just got 336 miles out of my 98 SSE and put 17.403 gallons in to top it off. That gives me 19.3MPG. I ran it so low because I wanted a baseline for miles on the tank and MPG. I just bought it a couple weeks ago.

I'm OK with that but I know I can help this big boat over 20.

Next step is to make a CAI from the stock airbox. I'm thinking 7" *&B Powerstack cone like I have on the GTP.

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Old 09-22-2006, 02:35 PM   #2
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Have you already given it a thorough tune up? Items like spark plugs, wires, PCV valve, O2 sensor?

What kind of highway mileage do you get? Or have you tested that yet?
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Old 09-22-2006, 02:36 PM   #3
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You can't rate city mileage. It will depend greatly on stoplights etc.

A recent tank of mine was around 15-17mpg, it felt great too.

The greatest improvement you can make to gas mileage is stuffing something under the pedal to keep yourself from using any power.
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Old 09-22-2006, 02:43 PM   #4
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Yes driving habits will have the most influence on your MPG whether its city or highway. If you want the higher MPG you might just try taking it a bit easier. My driving is a city/highway mix and varies quite a bit depending on how I drive, the lowest ive ever seen is 19, and I usually get around 22-23 with the AC on and now that its colder outside im seeing the 24-25 again. Then on the highway it kicks up a bit more, I usually end up with over 28, so im sure its actually getting 30 or better on the highway. Granted I have a different engine, but the concept still applies.
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Old 09-22-2006, 02:53 PM   #5
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Since I bought it I have replaced, plugs, air filter with a Fram drop in, PCV valve, and fuel filter.

I only drive the car to and from work. My GTP is my "play" car. It'* a 10 mile each way trip where speed never gets above 55-60. I hit ~5 lights and I keep the RPMs below 3K as much as possible. I try not to make any drastic launches or passing moves that would kick the gears down too much. There is NO HW involved with this drive.

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Old 09-22-2006, 03:09 PM   #6
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Check your tire pressure too.
You can also look into tires designed for low rolling resistance, they won't corner but may save a little gas.
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Old 09-22-2006, 03:14 PM   #7
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I have been doing a consistant 20-21 in town and thats with some pedal crushing

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Old 09-22-2006, 03:20 PM   #8
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Tires are fairly new Potenza G009s. They were my GTP winter wheels. 33PSI.
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Old 09-22-2006, 03:22 PM   #9
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City: 25-26 if im in a rush... 23-24
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Old 09-22-2006, 03:24 PM   #10
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Quote:
Originally Posted by bandit
City: 25-26 if im in a rush... 23-24
I hate you...

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