2024 GM Marine 2.8L I4 LWN

The engine is part of GM’s global family of turbo-diesel four-cylinder engines and features a variable-geometry turbocharger for optimal power and efficiency across the rpm band and a balance shaft for smoothness. A broad torque band makes the Duramax® 2.8L powerful at low rpm, while the turbocharged performance provides a confident feeling of smooth, immediate horsepower on demand.