Edmunds.com editors James Riswick and Erin Riches reveal their picks for the best car priced at 20k. The 2013 Honda Civic EX and the 2013 Kia Rio SX. Two cars. Two editors. You decide which one wins. Do you prefer the most gadgets or is drivability and roominess more important to you? Tell us your pick for the best car for 20k.