The Omega Ω is a V8 engine produced by Hyundai Motor Company. It is a dual overhead cam design with electronic multiport fuel injection or Gasoline Direct Injection. GDi 4.5L (G8AA) The G8AA (also called the 4.5D) displaces 4.5 L (4498 cc) with a bore, stroke and a 10.7:1 compression ratio. Output is at 5,500 rpm and of torque at 3,500 rpm. The dry weight of the engine is . Applications Hyundai Equus (1999–2003) MPi 4.5L (G8AB) The G8AB displaces 4.5 L (4498 cc) with a bore, stroke. Output is at 5,500 rpm and of torque at 4,500 rpm or at 5,500 rpm and of torque at 4,000 rpm. Applications Hyundai Equus (1999–2008) See also List of Hyundai engines References Omega V8 engines