🏷️ Basic Information Identification Make: Kia Model: Optima Year: 2011 Generation: TF/QF 📋 Manual Details General Manual Type: Service Repair Manual Manual Title: KIA OPTIMA (TF QF) 2011 G 2.0 T-GDI Service Repair Manual Content Language: English Content Type: Factory Repair Information Diagrams Included: Yes Instructions Included: Yes ⚙️ Engine Specifications Engine Gdi Engine Type: Inline 4-cylinder Turbocharged Gasoline Direct Injection (T-GDI) Displacement: 2.0 Liters Bore: 86.0 mm Stroke: 86.0 mm Compression Ratio: 9.5:1 Power Output: 274 hp @ 6000 rpm (Estimated) Torque Output: 269 lb-ft @ 1750 rpm (Estimated) 🔧 Transmission Automatic Type: 6-speed Automatic Gears: 6 🔧 Maintenance Oil Recommended Oil Viscosity: SAE 5W-30 Oil Capacity: 5.1 Liters (5.4 US Quarts) Filters Oil Filter Type: Cartridge Type Spark Plugs Spark Plug Gap: 1.0 - 1.1 mm (0.039 - 0.043 in) 📄 Chassis Suspension Front Suspension Type: MacPherson Strut Rear Suspension Type: Multi-link 📄 Brakes Front Front Brake Type: Ventilated Disc Rear Rear Brake Type: Solid Disc 📄 Wheels And Tires Standard Standard Wheel Size: 18-inch alloy Standard Tire Size: 225/45R18