2025 Chevy Silverado 2025 6.6 Gas Mpg. Let's face it, the silverado high country is a stunner. 1984 to present buyer's guide to fuel efficient cars and trucks.
Fuel economy of the 2025 chevrolet silverado. Does anyone have any real world data on the 2025 6.6 gas v/s 6.6 diesel fuel economy.