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.

One of the worst moments for a vehicle owner is when an unusual noise begins to emanate from the engine bay. Lately, on a select number of GM vehicles, including the GMC Sierra 1500, a whining noise ...

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 ...

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 ...

General Motors is responsible for several of the most reliable gasoline motors ever built. The company's various brands — including GMC, Chevrolet, and Buick — have each produced some of GM's most ...

The 2023 Chevrolet Colorado has ditched six-cylinder and diesel engines entirely, and now just uses the 2.7-liter turbo four-cylinder from the Silverado. The switch has made truck buyers skeptical—is ...

Divulged by a GM TechLink document, the new L2R engine has been confirmed as the lower-output sibling of the L3B that General Motors premiered in 2018. The original application for the 2.7-liter turbo ...

GM is reportedly adding a new four-cylinder engine to its Cylinder Set Strategy (CSS) line of engines. The CSS line consists of four different four-cylinder engines, ranging from the 1.3-liter ...