Gmc/Chevy 2020 6.6L gas

[snipermedic]

Does anyone have one? What Millage you getting. I have the 6.0. Looking for more info on the motor as far a fuel mileage.

[snipermedic]

Ttt

[Barndt1]

fuel mileage usually not rated on big motors. just guessing 10-12

[alec73065]

Does anyone have one? What Millage you getting. I have the 6.0. Looking for more info on the motor as far a fuel mileage.

I just bought mine two weeks ago and I am getting 15.9 average driving from Tomball to jersey village area daily . 2020 Chevy custom 4x4 with the 6.6 gas . Love it so far .

[snipermedic]

Ttt