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2007 and newer Chevrolet Tahoe and GMC Yukon

3125 messages,  Last post on Nov 27, 2009 at 6:32 PM

You are in the Chevrolet Suburban & Tahoe Forum. Your Hosts are steve_ & tidester

What is this discussion about? Chevrolet Tahoe, GMC Yukon, SUV


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#2318 of 3125
Re: 07 2wd FlexFuel [ryanbab] by beach15
Feb 18, 2007 (6:18 am)
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Replying to: ryanbab (Feb 18, 2007 5:09 am)

All 5.3L have Active Fuel Management (old name, DOD). As for mileage, it seems to be about mid to upper teens for such a 2wd on regular gas, and that drops with E85 because of the way it burns.
 
Others should also be able to chime in again with more mileage reviews.
#2319 of 3125
Re: 07 2wd FlexFuel [ryanbab] by 4speed1
Feb 18, 2007 (10:02 am)
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Replying to: ryanbab (Feb 18, 2007 5:09 am)

I got that 2wd & 5.3 flex fuel. i can't get ethanol around here--just regular gas. I'm aveaging 21.1 mpg .
When I first got it I got 17.5, and it steadily went up and seems to have topped out at 21.1., with I'm very happy with.
 
Tested by the onboard computer and by the old fashioned way. the onboard computer is within about 1/10 mpg.
 
I don't know the highway mileage since I still haven't taken any kind of a long trip in this Tahoe.
#2320 of 3125
Thanks by ryanbab
Feb 19, 2007 (3:11 pm)
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Thanks for the replies guys. I am not to concerned about gas milage I was just curious. I would like something slightly better than my 00 Silverado 5.3 4wd (13-15). I would mainly be driving highway (75%) and those numbers arent bad. Its in the middle between my truck and impala.
 
I have flexfuel available not sure on current prices. I did find the perfect tahoe recently on a dealers lot but I wont seriously look until later this summer probably an 08 model?
 
Also are you able to get a 2wd LS model with a sunroof? All the sites I have been on do not have this as an option
#2321 of 3125
Re: 07 2wd FlexFuel [4speed1] by csprick
Feb 19, 2007 (3:31 pm)
Reply

Replying to: 4speed1 (Feb 18, 2007 10:02 am)

Wow, Congratulations, 4speed1!! What's your secret?
 
Do you do all of your driving downhill? I also have the 2wd and 5.3 flex fuel engine and averaged about 15.5 mpg over the past four or five tankfuls. Of course, most of my driving was short trips speeds of 40 mph or less, although there was some freeway driving mixed in there.
 
The only "all day trip" miles I've put on my Tahoe was just after I turned over 1,000 miles, from LA to Houston over three days and averaged about 16.5 mpg. I wrote that off to not really being broken in yet and hope for bettter next time I take it on a long trip. Currently I've got about 6500 miles on it.
 
I do see it drop down to 4 cylinder operation a lot, if I remember to keep a rather light foot on the gas, so that feature seems to be working.
 
I'd also like to see some other responses on what kind of mileage people are getting.
 
Thanks.
#2322 of 3125
Re: 07 2wd FlexFuel [csprick] by saratogalake
Feb 19, 2007 (4:12 pm)
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Replying to: csprick (Feb 19, 2007 3:31 pm)

I took a trip to Florida in December. I live in New York and the total round trip mileage was 4735. I averaged just shy of 20 MPG for the entire trip. There were some stretches of road in Florida where you had to do 90 or get run over my speeding trucks!! Overall mileage has been getting much better. I now have 23,890 miles on my '07 Tahoe. While mine is a 4WD model, the entire trip to Florida was made in the 2WD mode. By the way, I saw no E85 Ethanol available on the entire east coast. I had a 1996 Yukon before the Tahoe. I made the same trip 2 years ago and averaged around 24.5 MPG. The Yukon had 123,000 miles on it at the time. Guess we can look forward to better MPG once we have 100,000 mile on the odometer..
#2323 of 3125
Re: 07 2wd FlexFuel [saratogalake] by dmyer3
Feb 19, 2007 (4:51 pm)
Reply

Replying to: saratogalake (Feb 19, 2007 4:12 pm)

I agree with you saratogalake. I drove from Charlotte, N.C. last Sept. and from the hotel to my driveway in central Ohio I got 19.4 mpg. That includes gas & restaurant stops and driving thru some mountains at 70-75 mph. I have an '07 Yukon, 4WD, 5.3 flex-fuel, 3.73 axle. I think my mileage at that time was around 4,000. I did have synthetic oil in crankcase.
#2324 of 3125
Re: 07 2wd FlexFuel [dmyer3] by rockin_ltz
Feb 19, 2007 (5:48 pm)
Reply

Replying to: dmyer3 (Feb 19, 2007 4:51 pm)

Hey guys...You can go back several pages on this board and see some serious and heated discussions on the mileage that these beasts are getting!! A lot of people were complaining that it's not even close to what the sticker estimates.
 
My wife drives our 07 LTZ (5.3L with 3.73's) about 95% of the time...And the best I've seen so far (had it 11 months now with about 13K miles) is around 15.5. This is almost entirely city / around home driving with little to no highway miles. Not too bad I guess beings the sticker states 16 MPG in the city.....
#2325 of 3125
Re: 07 2wd FlexFuel [rockin_ltz] by rockman59
Feb 19, 2007 (7:34 pm)
Reply

Replying to: rockin_ltz (Feb 19, 2007 5:48 pm)

Even though you can't find many Ethanol stations in the entire country, some gasoline may already have up to 10% Ethanol already in it. Here in Southern California the pumps have stickers stating that fact. I checked at a local Shell station and the manager told me that their "gas" was 10% Ethanol. I notice that my '06 4 x4 Suburban gets about 10% less mileage when using the blended fuel. We are paying $2.70 a gallon for regular here....and getting "gas" that does not even deliver the mileage that regular fuel will deliver.
#2326 of 3125
Re: 07 2wd FlexFuel [csprick] by 4speed1
Feb 19, 2007 (7:38 pm)
Reply

Replying to: csprick (Feb 19, 2007 3:31 pm)

My secret is
 
--CRUISE CONTROL
 
--Not racing up to red lights like 99.9% of drivers do. Always amazes me how many people are in a hurry to get to a red light.
 
--And drive quite softly overall.
 
I also go the speed limit--rarely go over 70--usually do 60-65 mph. My hot-rodding day are past me. I already set plenty of land speed records and have the tickets to prove it.
 
But I have had it up to 90 -100 mph a fews times
 
Most people do not use cruise control, but it makes a hell of a difference. I know this because I see people varying their speed all the time while mine is constant.
 
I used to have a 99 Tahoe 2 door, and the most I ever got out of it was about 17mpg with the same driving style I have now. This 07 tahoe is a much better motor with more power too.
 
The Tahoe will run in 4 cyl mode as long as your going under 70 (level road).
 
At 55-60/mph it will run in 4 cyl mode even on slight hills. This definatly helps the MPG.
 
But I see people passing me in their 07 Tahoes all the time doing 80mph-----so I guess that's why you got people on here complaining about mpg's.
 
Now I wish the Tahoe had a 5 speed manual transmission---That would be cool. Why doesn't Chevy do that?
#2327 of 3125
Re: 07 2wd FlexFuel [rockin_ltz] by tidester HOST
Feb 19, 2007 (9:28 pm)
Reply

Replying to: rockin_ltz (Feb 19, 2007 5:48 pm)

see some serious and heated discussions on the mileage that these beasts are getting!!
 
For even more fun, visit Chevrolet Suburban and GMC Tahoe MPG - Real World Numbers.
 
tidester, host
SUVs and Smart Shopper

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