A matching numbers German-market example initially retained by the Porsche factory per its Porsche Germany build sheet One of just seven lightweight 928s optioned with the “M637” Club Sport package built for 1989, one of Porsche's rarest creations Special lightweight Club Sport package features include the absence of a sunroof, a lighter exhaust, a lack of undercoating, and lighter magnesium-alloy wheels Special sporting Club Sport package features include manual sport seats, short throw shifter, limited-slip differential, lowering by 20 mm, 150 mm wider track, and special badging Fitted from the factory with special “SP” stamped “M28/41” 5.0-liter V8 engine producing a conservatively factory rated 320 PS The only 928 Club Sport finished in Forest Green Metallic (Tannengrün Metallic) over a Cashmere Beige and Black leather interior Over € 65,000 invested between 2019 and 2021