Like Stellantis with its Hemi V8, General Motors has no intention of discontinuing the iconic V8 engine. It’s a powertrain that’s hard to replace, especially in larger SUVs and pickup trucks, which is ...

GM Authority has exclusive video of a peculiar GMC Sierra HD prototype testing what may be a brand-new gasoline-fueled V8 ...

GM Authority is taking a closer look at the 2026 GMC Savana towing capacities, including all of the full-size van's different configurations and engine options.

Chevy's 6.6L Duramax offers high performance and lousy MPGs. If you want a comparable diesel engine with better gas mileage, ...