what is autotrader
Auto Trader may refer to: 1  AutoTrader.com, an American automobile sales website and originator of the Auto Trader format. 2  Auto Trader Group, a United Kingdom automobile sales website.3  Auto Trader (TV series) , television programme on the Discovery Channel in the UK.uto Trader may refer to: 1  AutoTrader.com, an American automobile sales website and originator of the Auto Trader format. 2  Auto Trader Group, a United Kingdom automobile sales website.