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Freightliner vs Mack: Which Semi-Truck Is Better?

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If you’re looking for a used semi-truck, there are a lot of different makes and models to choose from. Just as you should carefully compare makes and models when buying a personal commuter car, you should also put careful consideration into the different types of semi-trucks available to you. Keep reading to get a comparison between 2 major semi-truck brands—Freightliner and Mack—to aid you in your decision. Each brand offers its own pros and cons, and it’s important that you find exactly the right truck for your needs.

Engines Used

Freightliner trucks use a Detroit Demand engine, which is well known as a reliable engine that’s easy (and relatively affordable) to maintain and repair when needed. Mack Trucks, on the other hand, use MP engines. While more expensive to maintain these engines, they’re known for their power. They pull in every gear all the time, which is a very attractive feature for a trucker. If you favor reliability over power, Freightliner is the way to go, but if you want power that just doesn’t quit, you might prefer a Mack.

Safety Features

Freightliners have standard safety features that you’d expect in a semi-truck, but it’s not a standout in this category. Mack, on the other hand, has their patented GuardDog feature. The GuardDog Connect is an integrated, proactive diagnostic solution that monitors your truck’s critical fault codes so that you can avoid unplanned downtime on your deliveries and ensure that your truck is always in safe driving condition.


Mack Trucks are known for their power and lean into it by making only a few types of trucks that specialize in those big hauls. On the other hand, Freightliner provides trucks designed for more diverse duties and services. They offer high-duty, medium-duty, on-highway, and other variations of trucks so that you can find the exact type of semi to meet your needs. This variety ensures that you get the right truck for the jobs you plan to do and the routes you plan to drive.

The Bottom Line

Ultimately, the right semi-truck for you will depend largely on your priorities and the types of loads you plan to haul. A Mack might be right up your alley if you want raw power and advanced safety features. However, if you favor consistent, reliable performance and a wider range of options to find a truck designed for your exact needs, look for used Freightliner trucks for sale instead.



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