Gas Mileage with Heavy Duty Tow Package?

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TheDoug

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I get about 13 in town... just kids to school and back mostly and it's really close.

On freeway I get 21 around 80mph.
 

Jimmer

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I have a 20 Platinum short with the 3.73 and see 18-19 on the highway with low winds. 16 weekday average going on my short 8 mile trip to/from work mixed highway and stoplights. Lately with the cold, my average is just under 15 but that includes a 5-10 minute remote start warm up before driving 8 miles to work. 17.5 on my last 2k miles mixed

I'd sure think you should be seeing better than that unless you're driving in high winds, hilly terrain or let the engine idle to warm up a lot before driving it.
 

Calidad

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Eco mode 99% of the time my 35mph town I typically average 16-18mpg. Road trips 70mph and under typically see 21-23mpg. Trips 65mph and under 23-24mpg.
70-80mph trips typically 19-20mpg.
2019 Heavy tow pack, Platinum 12,000 miles on the ODO.
 

carymccarr

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18mpg w/Navigator. mixed but mainly around town.


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Nate2020KR

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My hand calculated lifetime average is 17mpg. 2020 King Ranch Max tuned. Coming from a 7.3 Excursion I'm super happy with the whole package. MPG, interior, quite, powerful, looks this baby is all that and a bag of chips. I'm glad I didn't wait on a Duramax Yukon XL.

Screenshot_20210205-204238.png
 

Lou Hamilton

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My hand calculated lifetime average is 17mpg. 2020 King Ranch Max tuned. Coming from a 7.3 Excursion I'm super happy with the whole package. MPG, interior, quite, powerful, looks this baby is all that and a bag of chips. I'm glad I didn't wait on a Duramax Yukon XL.

View attachment 40232

What app is that? It looks thorough.


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MxRacer965

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19 Max Platinum HD tow running 87 daily street/tow tune from 5 Star, averaging 17 MPG. I mostly do 45-55 driving in a mix of suburban and rural driving. I believe I was at 17.5 prior to the tune but my foot has been in it a bit more, the tune makes it a much more fun vehicle to drive.
 

Nate2020KR

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Yes its aCar on Android. I started using fuelly.com many years ago. Also this app hasn't had an update since Oct 18, 2018! But the base functionality is there so probably won't be switching. I have the Pro version too.
 
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