GM announced the Duramax 8.3L turbo-diesel V8 on September 24, 2026, and it goes into the 2027 Chevrolet Silverado HD and GMC ...

At 555 hp and 1,230 lb-ft of torque, GM's new diesel is the segment's top performer. It's also a cheaper upgrade over the gas ...

Instead of chasing Ford back into the power fight, GM decided to go a different route with its new diesel engine.

The new Silverado HD is more expensive, but that diesel looks like a deal ...

General Motors is escalating the heavy-duty pickup horsepower war with an all-new 8.3-liter Duramax turbo-diesel V8 producing ...

Chevrolet is charging a lot of money for the L6P engine, and the 2027 model year Silverado HD also costs more than its 2026 ...

There will be no choosing between two Duramax engines in the 2027 model year Silverado HD or Sierra HD, as per the order ...

GM's latest HD pickups introduce a new Duramax engine option, which doles out more power and torque - although buyers will ...

Specs for the new 8.3L Duramax, aka Mongoose, are impressive, making over 1,200 lb-ft of torque. However, it looks as though ...

A 2026 Silverado Trail Boss owner says the forums had his 3.0 Duramax on its 3rd motor by now. At 10,000 miles it’s his best ...

The all-new V-8 powers the 2027 Chevy Silverado HD and GMC Sierra HD, with maximum towing capacity climbing to 38,000 pounds.