Core Insights - Hertz (HTZ.US) will start selling used cars through Amazon Automotive (AMZN.US), leading to a pre-market stock surge of 15% for Hertz [1] - Consumers within a 75-mile radius of Dallas, Houston, Los Angeles, and Seattle can browse Hertz's used cars on Amazon starting Wednesday, with plans to expand to 45 stores nationwide [1] - This partnership marks a significant upgrade for Amazon's automotive business, which began with a collaboration with Hyundai last December [1] Company Developments - Hertz's sales department becomes the first fleet dealer for Amazon Automotive, offering used cars from brands like Ford, Toyota, Chevrolet, and Nissan [1] - Carvana (CVNA.US), a competitor in the used car retail space, saw its stock drop by 2.54% in pre-market trading following the announcement [1] - Amazon's stock experienced a slight decline of 0.55% in pre-market trading [1]