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Tahoe & Suburban The power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.

2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

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  #1  
Old 03-08-2011, 03:21 PM
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Default Increase 2004 Suburban Gas Mileage

I have had it since it was new and it has 105,000 miles. I used to get 20-22 on highway and 15-16 around town.

Over the last year, I have noticed more like 18-19 on highway and 13-14 around town.

Are my mileages normal?

What can I do to increase gas mileage?
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  #2  
Old 03-08-2011, 03:46 PM
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Quit using gas w/ ethanol in it if possible. E85 will cut your mpg by 25%-30%. Don't know how much E10 cuts it but probably 0.5-1.0 mpg.
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Old 03-08-2011, 03:53 PM
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Quote:
Originally Posted by 73shark View Post
Quit using gas w/ ethanol in it if possible. E85 will cut your mpg by 25%-30%. Don't know how much E10 cuts it but probably 0.5-1.0 mpg.
I guess I should have mentioned I don't have the E85 option.
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Old 03-08-2011, 04:33 PM
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But you do have the E10 option. I just threw in E85 because it really hurts mpg.
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2010 Sheer Silver Tahoe LTZ (all options but sunroof, power boards), GM (body color flaps, rear console, 3rd row mat, 2-Way Remote, chrome gas door, Esky rack), Eagle Eye LED tails, SLP dual tip exhaust, Silver bow-ties/rear wiper, Catch-All mats, AlphaTherm washer fluid heater, Putco chrome mirror covers, silver calipers, board chrome trim, tint, GMPP Major Guard

2007 Black Tahoe LTZ (Sold),
(GM flaps-$15, Lund Step Tubes-$80-For Sale)
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Old 03-09-2011, 09:16 AM
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Seems like so many stations use the E10 blend for winter... I noticed that on pumps near me that the regular has the "May contain 10%" but the mid and premium do not state that....sales gimmick for the semi informed?
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Old 03-09-2011, 09:16 AM
 
 
 
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