Browse Peterbilt 389 Semi Trucks for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 126 listings. Peterbilt 389 Sleeper Semi Truck pricing ranges from $32,000 to $320,000 based on recent marketplace data. Filter by sleeper type, transmission, horsepower, mileage, and more to find the right Peterbilt 389 Sleeper Semi Truck.