There are many popular car show events that take place around the world, each with its own unique features and attractions. Here are some of thecar show events: most popular 

The SEMA Show: The SEMA Show is the largest trade show for the automotive aftermarket industry in the world. It is held annually in Las Vegas, Nevada, and attracts over 70,000 attendees from around the world.

1. Displaying unique and rare vehicles: Car shows give car enthusiasts an opportunity to display their unique and rare vehicles that are not commonly seen on the road. 

2. This allows car enthusiasts to appreciate the design and engineering of these vehicles, as well as to learn more about their history.

The Detroit Auto Show: The Detroit Auto Show, also known as the North American International Auto Show (NAIAS), is one of the largest and most prestigious auto shows in the world. It takes place annually in Detroit, Michigan, and showcases the latest in automotive technology and design.

1. Showcasing the latest technology: Car shows also provide a platform for car manufacturers to showcase the latest technology and innovations in their vehicles. 

2. This is a great opportunity for consumers to learn about new features and advancements in the industry.

The Pebble Beach Concours d'Elegance: The Pebble Beach Concours d'Elegance is one of the most prestigious classic car shows in the world. It is held annually in Pebble Beach, California, and features some of the most beautiful and rare classic cars in existence.

1. Networking opportunities: Car shows provide a great opportunity for car enthusiasts and professionals to network and connect with others who share similar interests.

2. This can lead to new business opportunities, collaborations, and friendships.

Goodwood Festival of Speed: The Goodwood Festival of Speed is an annual hill climb event held in West Sussex, England. It features some of the most iconic cars and motorcycles from throughout automotive history, as well as new and prototype vehicles.

1. Essen Motor Show: The Essen Motor Show is one of the largest and most popular auto shows in Europe.

2. It takes place annually in Essen, Germany, and features a wide range of cars, from classic and vintage to high-performance and exotic.