When it comes to purchasing a Sierra HD, each engine option offers unique capabilities designed to suit different drivers’ needs. Let’s take a closer look at the key differences between the 6.6L V8 Gas Engine and the 6.6L V8 Duramax Turbo-Diesel Engine to help you decide which one is the best fit for you.

Tags: Education, Engine, Luxury, Sierra HD, Towing, truck
Posted in 2025, 2026, Education, GMC, Morton GMC Dealer, Sierra HD | No Comments »