Buzzi and her husband are avid automobile collectors. Their collection focuses on post-war English vehicles including Bentley and Rolls-Royce and Jaguar, although it also includes several American convertibles and muscle cars. Some of her vehicles have been in television commercials, featured in parades, and her blue Bentley convertible was featured on the cover of "Vogue" with Jessica Simpson behind the wheel. with some of their cars having been donated and/or loaned to and displayed at the Petersen Automotive Museum in Los Angeles, California including a red, fuel-injected 1957 Chevrolet convertible that was exhibited (from 1993-2011) as part of the display honoring the cars of Steve McQueen. Buzzi's 1960 Rolls-Royce Silver Cloud drophead coupe convertible was on display for the "Century of Elegance" exhibit.