2006 gmc yukon xl slt option 2 how's this ?

[Woodblocker55]

Ok computer updates few weeks now had to go for a ride and see how my mileage is doing. Cruz on secondary road 59 mph tempture out is -10f I average that in about 50 mile trip . 19.4 mpg . It's 5.3L flex with california emissions but yet in Minnesota.lol
Is that ballpark for mileage ???

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