Fuel Mileage On 2024 Duramax. Since my 2021 duramax got a new ecm flash from the dealer, it’s getting even better fuel mileage mid 20mpg canadian driven at the speed limit. One dealership that i got pricing at said they had sold one but they never called the customer to see what kind of mileage they were getting.


Fuel Mileage On 2024 Duramax

2024 duramax 6.6 fuel mileage ketty merilee, i have a 21 sierra with the 3.0, and consistently average over 30, therefore it makes more sense than a gas model that would be lucky to average 20 mpg. Anyone know what’s going on with the new trucks.

Fuel Mileage On 2024 Duramax Images References :