Name that company

I was created by the same entrepreneur who also founded Waste Management, Republic Services and Extended Stay America — and who has owned the Florida Marlins, the Miami Dolphins and the Florida Panthers. After he bought and expanded Blockbuster Video and sold it for $8.4 billion in 1994, he started buying car franchises, and I became the first nationwide car dealer in America. Today, based in Fort Lauderdale, I sport a market value topping $5 billion. I recently boasted more than 360 new-vehicle franchises and more than 26,000 employees. I’ve sold more than 11 million vehicles. Who am I?

Last week’s trivia answer: IBM