Used 1979 Ford F-150s are available through cars.oodle.com and Carsforsale.com. Both sites offer search functions for used vehicles, filterable by make, model, year and condition.
As of March 2015, cars.oodle.com features 25 listings for used 1979 Ford F-150s, ranging from $2,000 to $20,000 in price. Vehicle listings on both sites are sortable by price or date posted. Additional search filters available on both sites include mileage, price range, color and transmission.
Cars.oodle.com also offers an email alert feature that sends notifications when additional 1979 Ford F-150s show up in future search listings. The email alert is usable for any type of car search.