Reliable used minivans are listed for sale on Autotrader.com and Carfax.com. Autotrader.com lists a large selection of vehicle inventory from dealers and private sellers, and Carfax.com provides a search function based on a car's accident and maintenance history.
From the homepage of Autotrader.com, click on the tab that says "Cars for Sale." This redirects to "Find Your Car Your Way," which has a search form. Input location, check off "Used," and fill in a minimum and maximum price. Then select "Van/Minivan" car model. Other search functions are available, including make, model and trim; fuel economy; interior and exterior color specifications; and luxury features.
On the CarFax.com website, click on the "Used Cars for Sale" tab. This webpage has a two-step search function. In Step 1, select the make and model of the minivan, or simply select "Minivan" under "Any Vehicle Type." In Step 2, check off the boxes for vehicle history search options, including accident reports, service records and the number of previous owners.