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Chevy Forum: SO, How many MPG do you get out of your Suburban and how many miles per tank full??
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  #1  
Old 05-20-2011, 06:28 AM
fourbods fourbods is offline
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Default SO, How many MPG do you get out of your Suburban and how many miles per tank full??

I have a 2001 Sub and squeeze out 10 mpg. I think my gauge is wrong bc it reads empty and I've only driven 230 miles. So with a 36 gal tank at 10 mpg, I should get around 360 mile out of a tank full.

How do you guys do?
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Old 05-22-2011, 08:49 AM
John I John I is offline
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Default Re: SO, How many MPG do you get out of your Suburban and how many miles per tank full

I have checked the mileage using the odometer a few times. I get about 14.5 mpg in my 1997 1500 5.7L. I mostly drive rural roads and highway. With a 42 gallon tank, I easily get 450-500 miles out of it.

I could get more miles out of a tank full for sure, but the gauge is really inaccurate so I want to play it safe. When I fill it all the way up it reads way above full and does not come down to the full mark until 175 miles have been driven. If the gauge reads 3/4, it is actually 1/2 full. If it reads 1/8, then you are about to run out of gas (as I did at 3am in the middle of nowhere one night).
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Old 07-26-2011, 03:16 PM
GEN-IV GEN-IV is offline
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Default Re: SO, How many MPG do you get out of your Suburban and how many miles per tank full

1999 3/4 ton 4wheel drive limited slip 3.42 axles 454 4l80e transmission snoplow package. 9-11 around town, 10-12 highway.

Never trust a chevy fuel gauge
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Old 07-27-2011, 07:02 AM
zeek zeek is offline
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Default Re: SO, How many MPG do you get out of your Suburban and how many miles per tank full

1999 K1500, 5.7 mixed driving we get about 15.2 MPG
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Old 07-27-2011, 09:18 AM
GEN-IV GEN-IV is offline
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Default Re: SO, How many MPG do you get out of your Suburban and how many miles per tank full

I love spending $150 at the pump.
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Old 09-14-2011, 08:04 PM
jerrybomb jerrybomb is offline
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Default Re: SO, How many MPG do you get out of your Suburban and how many miles per tank full

My 1999, 5.7, got 16.1 mpg at my last fill-up. Mostly highway miles at 70 mph.
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Old 09-15-2011, 01:04 PM
VanGo VanGo is offline
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Default Re: SO, How many MPG do you get out of your Suburban and how many miles per tank full

This is discouraging.
I'm getting ready to take a round trip from Wichita to San Antonio, hauling a U-Haul trailer back. I'm hoping to get my hew headers on before I go. Hopefully they will help with the 3' single exhaust the PO installed. Everything else is tuned up, aligned and ready to go. At $3.60/gal this trip is going to hurt.
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Old 09-17-2011, 06:51 AM
scoutski scoutski is offline
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Default Re: SO, How many MPG do you get out of your Suburban and how many miles per tank full

I keep a log on all fuel and maintenance issues. Since new in 2002 our Suburban has averaged 17.748 MPG to date.
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Old 10-10-2011, 02:55 PM
VanGo VanGo is offline
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Default Re: SO, How many MPG do you get out of your Suburban and how many miles per tank full

I just got back from my 1300 mile trip and I averaged 15.6 highway at 70MPH. I'm a little disappointed.
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  #10  
Old 10-17-2011, 07:06 AM
gilril gilril is offline
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Default Re: SO, How many MPG do you get out of your Suburban and how many miles per tank full

Just purchased a 2009 1500 LT w/ 30,000 miles on it. For the first 4 weeks I'm running 17.1 overall mpg! I'm happy to be doing so well.
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