GM reveals new V8 truck engines as fuel costs rise

The short version

• General Motors debuted two sixth-generation small-block V8 engines for redesigned Chevrolet Silverado and GMC Sierra pickups alongside updated TurboMax and carried-over Duramax diesel options.[Jalopnik]
• Truck buyers face surging fuel expenses as diesel reaches record highs and gasoline approaches peak levels.[Jalopnik]
• GM relies on lucrative truck sales to help absorb tariffs and $11 billion in electric vehicle write-downs over the past year.[Jalopnik]
• While CEO Mary Barra affirms that electric vehicles remain GM's core goal, the automaker offers no hybrid pickup option.[Jalopnik]

Key facts

• GM introduced the 5.7-liter L76 V8 producing 402 horsepower and the 6.6-liter L78 V8 delivering up to 481 horsepower for its updated trucks.[Jalopnik]
• Diesel prices are breaking daily records while gasoline prices approach their 2026 peak.[Jalopnik]
• The automaker took $11 billion in write-downs over the past year on electric vehicle investments and faces ongoing import tariffs.[Jalopnik]
• GM executives noted that the new V8 powertrains were in development prior to federal moves lowering fuel-economy rules.[Jalopnik]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.

• GM Is Going All-In On V8s And Diesels As Fuel Prices Soar To Record LevelsJalopnik