2024 Gmc Hd Duramax Fuel Mileage

2024 Gmc Hd Duramax Fuel Mileage. 2024 gmc sierra 1500 duramax, fuel economy of the 2024 gmc sierra. The mighty 2024 gmc sierra hd tows up to 36,000 pounds, and the model range varies from rugged to luxurious.

1984 to present buyer’s guide to fuel efficient cars and trucks. 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.