Tag Archives: 2025 Peterbilt 579

Peterbilt 579 2025 Full Test: Comfort, Engine Specs, and Real Road Results

Peterbilt 579 2025 Full Test

The first start of the day. The temperature is barely above zero. I turn the key, and the PACCAR MX-13 coughs once, then settles into that steady low rumble only a real long-haul truck can make. The dashboard glows red,