GMC introduces the 8.3-liter Duramax for 2027 HD trucks — Notice Nearby paper

OREGON CITY, Ore. — October 4, 2026 — Notice Nearby has published a public paper on the Duramax 8.3-liter turbo-diesel V8 that General Motors announced for the 2027 Chevrolet Silverado HD and GMC Sierra HD. GMC’s heavy-duty trucks are part of that announcement. This page is not a General Motors release and not a GMC release. The paper is the write-up. This press item does not reprint it: https://noticenearby.com/papers/gm-duramax-8-3-mongoose-2027-hd-comparison Assembly Alert, the car-loan desk, already soft-links the same comparison: https://assemblyalert.com/blog/duramax-8-3-mongoose-vs-cummins-and-the-hd-diesels Figures GM put in its own newsroom on September 21 and September 24, 2026, including the ratings and what was not published, stay on the paper. Do not treat this page as the spec sheet. This is a publisher-desk item on Notice Nearby. It is not a $79 paid placement, and it has not been purchased. About Notice Nearby Notice Nearby is a paid public-notice register at https://noticenearby.com, operated by Record of Sale, LLC, an Oregon limited liability company. Publisher: Ryan Standley. Media: publisher@noticenearby.com.