How much horsepower does a duramax diesel put out?
The horsepower of a Duramax diesel engine varies significantly depending on the model year and specific engine configuration. There's no single answer. Over the years, Duramax engines have ranged from roughly 300 horsepower to over 450 horsepower. To know the exact horsepower, you need to specify the year and model of the vehicle the Duramax is in.