As far as modern-day, aero-focused semi-truck designs go, the Peterbilt 579 stands out as one of the best-looking ones. I much prefer the look of a traditional semi, like the 389, but if I had to ...

The Model 579 UltraLoft starts in the cab, where there's plenty of room to move from the driver's seat into the sleeper, as well as additional storage above the doors. Photo: Peterbilt To make getting ...

Peterbilt Motors Company announced last week the introduction of its new Model 579 UltraLoft. The UltraLoft offers drivers an integral cab and sleeper design for Peterbilt's flagship on-highway Model ...

The 579 series is Peterbilt’s most technologically advanced and fuel-efficient semi-truck ever. Their words, not ours. It was developed following direct input from drivers, techs and maintenance ...

A deep dive into the Gen 2 Peterbilt 579 equipped with the EPIQ Max aerodynamic package and the 80-inch UltraLoft sleeper ...