GM's heavy duty trucks bring segment firsts. Here's what's changed.

GM's 8.3-liter Duramax diesel leads a comprehensive remake that includes electronic steering and brake tech.

Chevy and GMC’s New Heavy-Duty Trucks Debut a Huge 8.3L Diesel V-8

For 2027, the Silverado HD and Sierra HD also have higher tow ratings and finally switch to a more sophisticated steering ...

GM teases 8.3-liter 'Mongoose,' its biggest engine ever, as diesel prices soar

General Motors is teasing an enormous new diesel engine for its heavy-duty pickups: an 8.3-liter Duramax V8 called the Mongoose, according to CarBuzz. If it reaches production as described, it would ...