2024 Chevy Duramax 2024 Diesel Engine Specs. Max power is 305 horsepower, a 10 percent increase over the 277. Complete information, specs, power and torque ratings on gm's 6.6l l5p v8 turbo diesel duramax engine used in the chevy silverado hd and gmc sierra hd.
The new lz0 engine delivers a sizable increase in power and torque over its predecessor, the lm2. More info is leaking out of chevrolet about the coming 2024 silverado hd models.