Posted 3/13/2026 17:19 (#11583720 - in reply to #11582123) Subject: RE: Chevrolet/GMC 6.6 gas vs diesel
Central Wisconsin
The GM 6.0 needs to scream to make HP. The GM 6.6 not so much. The 6.6 acts like a diesel. It has much more lower end Torque then 6.0. 6.6 performs well at a much lower RPM the a 6.0.