1985 Lancia Delta S4 Stradale 1985 Lancia Delta S4 Stradale Auction: RM Sotheby’s Essen 2019 Est. €450.000 – €550.000 ©2019 Courtesy of RM Sotheby’s Home » European » 2019 RM Sotheby’s Essen Sale (Lancia Rally Cars Announcement) » 1985 Lancia Delta S4 Stradale