General Motors is preparing a significant power increase for its 2.7L TurboMax four-cylinder in the next generation of ...

The 2024 GMC Sierra 1500 debuts several updates and changes over the 2023 model year, including new branding for the turbocharged 2.7L I4 L3B gasoline engine. As GM Authority covered previously, the ...

In production since 2018, the 2.7-liter turbo inline-four engine referred to as L3B has been hit with a customer satisfaction program. As it happens, a handful of engines may feature cracked blocks.

The next-generation Silverado and Sierra will get a notable boost in power and torque for the TurboMax turbocharged 2.7L I4 engine, GM Authority has learned.

While we often associate pickup trucks' towing and hauling capability with big V8 powerplants, those aren't always the best engine for the job. Manufacturers like GMC have been producing V8s for ...