The Yamaha OX99-11 V12 was a sports car project designed by Yamaha's subsidiary Ypsilon Technology and IAD that was supposed to enter production in 1994.

Yamaha OX99-11 V12
Overview
ManufacturerYamaha Motor Company
Production1992 (3 prototypes)
DesignerTakuya Yura
Body and chassis
ClassSports car (S)
Body style1-door coupe
LayoutRMR layout
DoorsCanopy doors
Powertrain
Engine3.5L OX99 70° V12
400 hp (300 kW) @ 10,000 rpm
Transmission6-speed manual
Dimensions
Wheelbase2,650 mm (104.3 in)
Length4,400 mm (173.2 in)
Width2,000 mm (78.7 in)
Height1,220 mm (48.0 in)
Curb weight1,150 kg (2,540 lb)
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