🏷️ Basic Information

Make:

Kia

Model:

Optima

Model Code:

TF / QF

Year:

2011

Engine Variant:

2.0 T-GDI

Platform Code:

TF (global), QF (North America)

👋 Introduction

Segment:

Mid-size Sedan

Target Audience:

Consumers seeking stylish, well-equipped, and performant sedans

Competitors:

Toyota Camry, Honda Accord, Ford Fusion, Hyundai Sonata, Chevrolet Malibu

Engine Highlight:

Powerful 2.0L turbocharged direct-injection engine

Design:

Sleek, sporty design with European influences

Interior Appointments:

Comfortable and well-appointed interior, often featuring premium materials

Value Proposition:

Strong emphasis on features and performance for the price point

📋 Manual Details

Primary Coverage:

Service and Repair Procedures

Scope:

Comprehensive diagnostic and repair information

Estimated Page Count:

1500-2000+

Type:

Service and Repair Manual

Purpose:

Professional technician-level repair guidance

Language:

English

Format:

Digital (PDF)

Searchability:

Searchable text content

Printability:

Printable pages

📖 Manual Coverage

Engine:

2.0L Theta II GDI Turbocharged Engine (G4KH)

Engine Management:

ECU diagnostics, fuel injection, ignition system, emissions control

Transmission:

6-speed Automatic Transmission (A6LF2)

Drivetrain:

Front-wheel drive (FWD)

Suspension:

Front MacPherson strut, Rear multi-link

Steering:

Electric Power Steering (EPS)

Brakes:

Front ventilated discs, Rear solid discs, ABS, EBD, ESC

Electrical:

Battery, charging system, starting system, lighting, body electrical, multiplex communication

HVAC:

Air conditioning, heating, ventilation system

Body:

Exterior panels, interior trim, doors, windows, roof

Safety Systems:

Airbags, seatbelts, SRS system

Maintenance:

Scheduled maintenance, fluid changes, filter replacements

Diagnostics:

Troubleshooting guides, DTC (Diagnostic Trouble Code) interpretation, live data analysis

Repair:

Component removal, installation, and adjustment for all major systems

Overhaul:

Engine and transmission component overhaul procedures

Electrical Repairs:

Wiring diagrams, component testing, repair of electrical faults

Specifications:

Torque specifications, clearances, fluid capacities, electrical values

Depth:

Detailed, in-depth technical information for professional mechanics

Diagnostics Level:

Advanced diagnostic procedures, including use of scan tools

Rebuild Information:

Complete engine and transmission rebuild specifications

📊 Manual Specifications

File Type:

PDF

Resolution:

High-resolution scans for clarity

Readability:

Optimized for clear reading on screen and in print

Binding:

N/A (Digital Format)

Paper:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Code:

G4KH

Engine Type:

Inline 4-cylinder, turbocharged, intercooled

Displacement:

1998 cc (2.0 Liters)

Bore X Stroke:

86.0 mm x 86.0 mm

Compression Ratio:

9.5:1

Valve Train:

DOHC, 16 valves, Dual Continuously Variable Valve Timing (CVVT)

Horsepower:

274 hp @ 6000 rpm (SAE Net)

Torque:

269 lb-ft @ 1800-4500 rpm (SAE Net)

Fuel Delivery:

Gasoline Direct Injection (GDI)

Fuel Type:

Unleaded Gasoline (Premium Recommended for optimal performance)

Fuel Pump Pressure:

High-pressure fuel pump system

🔧 Transmission

Type:

6-speed Automatic Transaxle

Transmission Code:

A6LF2

Optional Types:

Not available for this specific engine/trim combination in 2011

Gear Selection:

Driver-selectable manual mode (Sportmatic)

Fluid Type:

Kia ATF SP-IV or equivalent

Fluid Capacity:

Approximately 8.8 Liters (check manual for specific drain/fill vs. total)

📐 Dimensions

Length:

191.5 inches (4864 mm)

Width:

72.1 inches (1831 mm)

Height:

57.7 inches (1466 mm)

Wheelbase:

110.0 inches (2794 mm)

Passenger Volume:

Approximately 100.1 cubic feet (varies by configuration)

Trunk Volume:

Approximately 15.4 cubic feet

Curb Weight:

Approximately 3350-3500 lbs (varies by trim)

Gross Vehicle Weight Rating:

Refer to vehicle placard

Wheel Bolt Pattern:

5 x 114.3 mm (5 x 4.5 inches)

Standard Tire Size:

215/55R17 or 225/45R18 (depending on trim)

Optional Tire Size:

225/45R18

🛡️ Safety Features

NHTSA Overall Rating:

Good (typically for 2011 model year, check specific test results)

IIHS Top Safety Pick:

Yes (for 2011 model year)

Electronic Stability Control:

Standard

Anti Lock Braking System:

Standard

Electronic Brake Force Distribution:

Standard

Brake Assist:

Standard

Airbags:

Front, front-side, full-length side curtain airbags

Seatbelts:

3-point seatbelts with pretensioners and load limiters

Child Seat Anchors:

LATCH system

💡 Technology Features

Head Unit:

Available with optional navigation system, premium audio systems (e.g., Infinity), Bluetooth connectivity, USB/Aux inputs.

Display:

Touchscreen interface (on models with navigation/premium audio)

Parking Sensors:

Optional rear parking sensors

Rearview Camera:

Optional rearview camera integrated with infotainment display

Bluetooth:

Hands-free calling and audio streaming

Usb Aux:

Ports for media device connection

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 12 months, whichever comes first (under normal driving conditions; severe conditions may require shorter intervals)

Air Filter Replacement:

Every 15,000-30,000 miles (depending on driving environment)

Cabin Air Filter Replacement:

Every 15,000-30,000 miles or annually

Spark Plug Replacement:

Every 60,000 miles (for iridium-tipped plugs)

Transmission Fluid Change:

Inspect every 30,000 miles, replace typically around 60,000-100,000 miles (refer to manual for severe use recommendations)

Engine Oil:

SAE 5W-30, API SN or ILSAC GF-5 certified (refer to manual for exact specifications and capacity)

Coolant:

Ethylene Glycol based antifreeze/coolant, long-life type (typically Pink/Red color)

Brake Fluid:

DOT 3 or DOT 4

Power Steering Fluid:

Use specified Kia power steering fluid or Dexron III/Mercon equivalent (EPS system, check manual for exact specification if applicable)

Engine Noise:

Potential for turbocharger noise or rattling, sometimes related to wastegate actuator. Manual provides diagnostic steps.

Transmission Hesitation:

Occasional reports of hesitant shifting or delayed engagement. Manual covers TCM diagnostics and software updates.

Electrical Gremlins:

While generally reliable, some owners report minor electrical issues like sensor malfunctions or intermittent warning lights. Manual details wiring diagrams for troubleshooting.

Carbon Buildup:

Direct injection engines can be prone to carbon buildup on intake valves. Manual may offer cleaning procedures or recommendations.

📚 Vehicle History

Manufacturer:

Kia Motors Corporation

Founding:

Founded in 1944 as a manufacturer of steel tubing and bicycle parts

First Generation Optima:

Launched in 2000 (as Optima/Magentis, depending on market)

Tf Generation:

Second generation Optima (TF) launched globally in late 2005. The QF designation refers to the North American market version.

2011 Update:

The 2011 model year marked a significant redesign and the introduction of the 'K5' nameplate in some markets. This manual covers the 2011 model which retained the Optima name in most key markets, featuring the new platform and styling.

Manufacturing Locations:

Primarily South Korea (Hwaseong Plant)

Production Years Tf Model:

2005-2010 (global), with 2011 being the first year of the redesigned model using the QF platform.

🏆 Awards & Recognition

IIHS Award:

Insurance Institute for Highway Safety (IIHS) Top Safety Pick for 2011.

Kbb Best Family Sedan:

Often cited as a strong contender in mid-size sedan comparisons by publications like Kelley Blue Book.

Consumer Reports Reliability:

Varied reliability ratings across model years; manual provides insight into common issues and their resolution.

Emissions Standards:

Meets applicable US EPA and California ARB emissions standards for the 2011 model year.