Go Rentals, a luxury car rental firm, announced Monday that it had received an “undisclosed” “significant investment” by RedBird Capital Partners. The private equity company was founded by Gerry Cardinale, formerly of Goldman Sachs Group Inc. . Kaye Gitibin, Go Rentals’ CEO and cofounder, said that RedBird Capital Partners is a “world-class” private equity firm with a proven track record in building and expanding industry-leading businesses. Main Street Advisor participated in the investment of Go Rentals. J.P. Morgan Securities LLC acted as Go Rentals’ financial advisor.