The Kia Opirus, a premium large sedan produced from 2003 to 2011, represents Kia's endeavor into the luxury market segment. For the 2006 model year, the Opirus, codenamed GH, offered buyers a comfortable ride, a spacious interior, and luxury styling, positioning itself against competitors like the Buick Lucerne and Chrysler 300. It was engineered with a 3.8L V6 Lambda G6DA engine, producing approximately 264 horsepower and 277 lb-ft of torque, paired with a 5-speed automatic transaxle. Notable features included automatic climate control, available premium audio systems, and a suite of safety features such as ABS, airbags, and likely traction control and stability control on higher trims, all contributing to its appeal for those seeking refinement and value. This comprehensive workshop and service manual provides essential information for the full service and repair of your 2006 Kia Opirus GH. It covers a wide array of systems, including engine mechanical and electrical components, fuel, clutch, transmission, suspension, steering, brakes, body, and HVAC systems. Detailed procedures for maintenance, repair, troubleshooting, and diagnostics are included, along with wiring schematics. This manual is designed to empower professional technicians and skilled DIYers, enabling them to effectively maintain, diagnose, and repair the vehicle, ultimately leading to significant savings on maintenance and repair costs.