Browse Peterbilt 379 Sleeper Trucks for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 58 listings. Peterbilt 379 Sleeper Semi Truck pricing ranges from $12,500 to $135,595 based on recent marketplace data. Filter by sleeper type, transmission, horsepower, mileage, and more to find the right Peterbilt 379 Sleeper Semi Truck.