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How Long Is A Semi Truck | Semi Truck Brands

Have you ever wondered how long is a semi truck? You’re not alone, as selecting the right semi truck can be a complicated process. From size and shape to engine and cargo capacity, there’s no one-size-fits all solution when it comes to finding the perfect semi truck for your business needs.

In this blog post, we’ll learn about the various dimensions of a semi truck so that you can confidently make an informed buying decision. So let’s dive in and explore what makes each unique option special!

What is the average length, width, and height of a US semi-truck?

When it comes to purchasing a semi truck, size really matters. As a buyer, it’s crucial to keep in mind the dimensions of these beasts on the road. On average, US semi trucks measure up to 72 feet in length, 8.5 feet in width, and 13.5 feet in height, making them quite the behemoth rigs.

While maneuvering these trucks can often pose challenges like parking difficulties, weight restrictions, and clearance issues on bridges and overpasses, being aware of these dimensions is crucial to avoid any unfortunate or costly mishaps on the road.

International Semi Truck Dimensions

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How-Long-Is-A-Semi-Truck (1)

At International Used Truck Centers, you can find various International truck models with dimensions suited for different applications. Check out the available dimensions below.

ProStar® day cab

As a buyer, finding the right truck for your business is essential. That’s why the ProStar® offers a variety of cab options to suit your needs. Whether you require a day cab or a sleeper, the ProStar® has you covered with a 56″ low roof sleeper, 56″ hi-rise sleeper, 73″ hi-rise sleeper, and even a 73″ sky-rise sleeper for those long hauls. The day cab option provides ample space with 40 inches of headroom and 30 inches of legroom, making it comfortable for drivers of all sizes.

LoneStar® day cab

This powerful truck boasts a range of sleeper configurations to suit any driver’s needs, from a 56-inch low roof sleeper to a 73-inch sky-rise sleeper. With a wheelbase range of 167 to 280 inches, this truck is also highly customizable, allowing buyers to tailor it to their specific needs.

RH® Series day cab

For buyers who prioritize aerodynamics, the day cab with roof fairing is a great choice – it’s sure to make a difference in fuel efficiency and operating costs in the long run.

And for those who need to hit the road with more than just the bare essentials, the three sleeper configurations – 56″ Hi-Rise Sleeper, 56″ Hi-Rise Sleeper with Roof Fairing, and 56″ Low-Rise Sleeper – offer plenty of space and comfort for a good night’s rest.

Related: How much does a dump truck load of gravel cost?

Dimensions for Other Semi Truck Brands

While International trucks are some of the most popular on the market, there are plenty of other brands that offer a variety of sizes and configurations. Let’s take a look at a few:

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How-Long-Is-A-Semi-Truck (2)


Related: How Fast Can A Semi Truck Go


If you’re considering purchasing a Freightliner, the CASCADIA is definitely worth taking a closer look at. This particular model offers a variety of dimensions to suit your needs, including one day cab and two raised roof configurations ranging from 60 to 72 inches, as well as three mid-roof XT configurations ranging from 48 to 72 inches. Whether you prioritize space, aerodynamics, or both, the CASCADIA has options for you to consider.


This customizable vehicle offers a variety of sleeper options, including high-roof and mid-roof sleepers at 76 inches, as well as 52-inch mid-roof and 40-inch flat-top sleepers. Whether you’re driving long distances and need the extra space, or prefer a more compact design, Kenworth has you covered.


With an array of models to choose from, you can find the perfect fit for your needs. Interior heights range from 61 to 102.25 inches, providing ample room for both driver and passengers. And for those sleepless nights on the road, Volvo offers mattress depths of 36 to 42 inches and widths of 75 to 81 inches.


When it comes to Peterbilt, they offer two on-highway trucks: the 579 and the 389. The 579 has several configurations to suit your specific needs, including high- and low-roof options, as well as UltraLoft with 80-, 72-, 58-, and 44-inch options. The 389 sleepers are also customizable with 44-, 58-, 72-, and 78-inch options.


In conclusion, finding the right semi truck for your needs is an important and complex step that should never be overlooked. It’s important to understand how long is a semi-truck, as well as its weight capacity and powertrain configuration in order to make sure you select the best vehicle available. There are many brands and models of semi trucks to choose from that offer different levels of performance, engineering and aesthetic appeal.

The most important factor in selecting the right semi truck is determining which one fits your business or personal needs best. Take the time to research each brand and model thoroughly so you can find the perfect truck to suit your needs.

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