According to the National Automobile Dealers Association (NADA), the average retail value of a 1999 Cadillac Deville STS in "good" condition is $4,975 as of August 2023. Please note that the actual value of a particular vehicle may vary depending on its condition, mileage, and location.
These factors can lead to higher selling prices. It's also important to check local listings and consult with experts or car valuation services for the most accurate estimate.
