Key Differences Between Diesel and Gas Commercial Trucks

Dec. 30 2025 Buying Guide By KA Commercial Trucks

When choosing between diesel and gas commercial trucks, understanding the fundamental differences between these powerhouses is essential. Each type serves distinct purposes and comes with its own set of advantages and drawbacks. As a potential owner or operator, it's crucial to weigh factors such as fuel economy, maintenance requirements, and performance in varying conditions.

Fuel Economy: Stretch Your Miles

Diesel engines are renowned for their impressive fuel efficiency. This can be especially advantageous if your operations involve long-haul driving or heavy loads. Diesel trucks often deliver better mileage on the highway compared to their gas counterparts. In contrast, gas trucks may offer a more competitive economy in stop-and-go urban settings where short trips are common.

Maintenance Requirements: What to Expect

Diesel engines are engineered for longevity and robustness, but may require more specialized maintenance due to their complex systems. Regular servicing of components like glow plugs and intricate oil filtration systems can lead to higher maintenance costs over time. On the other hand, gas engines typically benefit from lower routine maintenance expenses with easier access to parts and straightforward mechanics.

Enhanced Performance

When it comes to raw power, diesel engines provide exceptional torque, making them well-suited for towing heavy trailers or navigating challenging terrains. This high torque output translates into strong pulling power at lower RPMs, crucial for heavy-duty applications. Meanwhile, gas engines excel in providing quicker acceleration and peak horsepower that's beneficial for lighter loads or immediate response needs.

At KA Commercial Trucks in Dassel, MN, you'll find both diesel and gas commercial trucks that cater to your specific demands. Whether you're operating out of Minneapolis or St. Cloud, MN, our knowledgeable team is ready to guide you through every step—from evaluating your needs to finding the right truck solution for you. Visit us today to explore our diverse inventory and drive away with confidence knowing you've made an informed decision aligned with your business goals.