2024 Duramax Fuel Mileage Specs

2024 Duramax Fuel Mileage Specs. The refreshed silverado hd offers improved styling, interior, and power, but still suffers from poor fuel economy and missing features. It has made major improvements to the fuel injection, the heads for better combustion, the valvetrain, and the turbocharger, among other tweaks.

The 2024 silverado 2500 duramax diesel achieved a result of 18 mpg in our testing. Find out as we attempt to beat the epa highway rating of 27 mpg on.