It's called the Mongoose, and is ready to fight Ford's 6.7-liter "Scorpion" Power Stroke V8 diesel. General Motors teases its new 8.3-liter Duramax V8 turbo-diesel engine. It’s called the Mongoose, a ...

GM almost revolutionized pickups in the late 2000s with a high-tech Duramax diesel. It was eventually canceled due to the recession, but part of it still lives on in the new 8.3-liter "Mongoose." ...

General Motors just dropped a bombshell that’s going to blow up the truck forums: 2027 heavy-duty trucks get an all-new Duramax diesel V-8 with the biggest displacement and highest horsepower and ...

GM’s new Duramax turbo-diesel 8.3-liter V-8 will go into the 2027 Chevrolet Silverado and GMC Sierra 2500/3500 pickup trucks. The new engine makes 555 horsepower and 1,230 pounds-feet of torque.

The 2027 GMC Sierra 1500 will go on sale later this year, and we now know how much the four-wheel-drive crew-cab models will cost. The Sierra 1500 Pro’s starting price rises $1955 to $51,295, while ...

With these engines, GM now leads the full-size, light-duty segment on V-8 output in the Silverado 1500 and Sierra 1500. The engine names themselves are less compelling than the hardware. “L76” and ...

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

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

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

The speculation regarding a two-diesel engine lineup for 2027 is over. According to GM Authority, the 8.3-liter Duramax replaces the outgoing 6.6-liter unit as the only diesel option for the 2027 ...

The arms race between heavy-duty pickup-truck makers is alive and well, even as much of the auto industry focuses on electrifying its lineups. Still, Detroit’s Big Three continue to push the limits of ...