Getaround, a used car marketplace and winner of TechCrunch Disrupt New York Battlefield 2011, will enter the unicorn club with a roughly $200 million equity financing. The deal values Getaround, founded in 2009, at $1.7 billion, according to an estimate provided by PitchBook. Getaround declined to comment, citing internal policy on “funding speculation.” “Getaround and…