A custom car is a vehicle that has been modified or built to meet the owner's personal preferences and style. These modifications can include changes to the car's exterior, interior, engine, and performance features. Custom cars often reflect the owner's personality and can range from simple aesthetic upgrades to complete overhauls. Many enthusiasts participate in the car culture surrounding custom cars, attending events like car shows and competitions. Popular modifications may involve unique paint jobs, upgraded sound systems, or enhanced suspension systems. Custom cars can be based on various models, including classic cars, sports cars, and even trucks.