Fins are a common feature of classic cars, often seen on the back of the vehicle. They are typically curved and protrude from the body of the car, giving it a distinct look. Chrome bumpers are another feature of classic cars, which are usually wider than modern bumpers and often have a chrome finish. Whitewall tires are also a popular feature of classic cars, with a white stripe around the circumference of the tire. Finally, classic cars often have large tailfins, which are curved and protrude from the back of the car. These features give classic cars a unique and iconic look.