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Quatro is Suzi Quatro's second album, released in October 1974 by Rak Records as SRAK 509, with the exceptions of the United States and Canada (where the album was released by Bell Records), Japan (EMI Records) and several territories in Europe (Columbia Records).

The album achieved success in several territories, topping the Australian chart and remaining on that chart for six weeks. It also entered the US charts, reaching the top 150. "Devil Gate Drive" became a major hit, reaching the No. 1 spot in the UK and Australian charts, becoming her second number one in both countries. The singles "The Wild One" and "Too Big" also achieved commercial success, with the former reaching the top 10 in both the UK and in Australia, and the latter reaching the top 20 in those same territories.

"The Wild One" was featured in Floria Sigismondi's 2010 film The Runaways, a coming-of-age film/biopic about Cherie Currie (portrayed by Dakota Fanning) and the 1970s all-girl rock band the Runaways. (The film was inspired by, and loosely based on, Currie's 1989 memoir Neon Angel). Suzi Quatro was a major influence both musically and personally for the Runaways and especially for Joan Jett, so the film makes several references to her.