The Peterbilt 579 is a top choice for fleet operators seeking lower operating costs and improved performance. Designed with advanced aerodynamics and fuel-efficient technology, the 579 helps fleets maximize fuel economy while maintaining the reliability and comfort drivers expect. Its streamlined design reduces drag, making it one of the most efficient Class 8 trucks on the road, helping businesses improve productivity and profitability across their fleet operations. Choose your truck from these in stock options.