Vehicle Segment:
Mid-size sedan
Target Audience:
Consumers seeking a reliable, stylish, and well-equipped sedan with a focus on value. Also targets automotive technicians and DIY enthusiasts.
Key Competitors:
Toyota Camry, Honda Accord, Nissan Altima, Ford Fusion, Chevrolet Malibu.
Vehicle Selling Points:
Comfortable ride, spacious interior, good fuel economy, attractive styling, comprehensive feature set for its price point.
Manual Value Proposition:
Official, comprehensive, and easily accessible digital repair information for maintaining and troubleshooting the 2007 Kia Optima, offering significant cost savings over dealership service.
Primary Coverage:
North America (USA, Canada)
Secondary Coverage:
Global markets with similar specifications
Estimated Pages:
1500-2000 (typical for comprehensive service manuals)
Type:
Official Service and Repair Manual Software
Format:
Software (likely a proprietary executable or accessible via web browser)
Powertrain:
Engine mechanical, engine management, fuel system, exhaust system, transmission (automatic and manual), drivetrain components (axles, driveshafts).
Chassis:
Suspension (front and rear), steering system, brake system (hydraulic, ABS, EBD), wheels and tires.
Electrical:
Body electrical systems, lighting, power accessories, instrument cluster, audio system, climate control electronics, engine control module (ECM) and related sensors, anti-theft system, wiring diagrams.
Body:
Body panels, doors, windows, interior trim, bumpers, chassis frame, diagnostic procedures for body control modules (BCM).
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication, inspections.
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, component testing, signal tracing.
Repair:
Component removal and installation, sub-assembly repairs, overhaul procedures, torque specifications, alignment procedures.
Wiring:
Detailed wiring diagrams with component locations, connector pinouts, and circuit descriptions.
Depth:
Comprehensive, covering basic maintenance to advanced diagnostics and full component overhauls. Includes factory specifications and procedures.
File Type:
Proprietary Software Executable or Web-Based Access
Searchability:
High (typically full-text search within the software)
Interactivity:
High (often includes diagrams, schematics, search functionality, and potentially links between sections)
Print Option:
Likely printable, but intended for digital use. Quality depends on user's printer.
Binding:
Not applicable (digital software)
Paper:
Not applicable (digital software)
Engine Code 1:
G4GC (2.4L Theta I4)
Engine Displacement 1:
2351 cc (143.5 cubic inches)
Engine Configuration 1:
Inline 4-cylinder, DOHC, 16 valves
Horsepower 1:
140-145 hp @ 5500-5800 rpm (depending on market/emission standards)
Torque 1:
155-165 lb-ft @ 4000-4500 rpm (depending on market/emission standards)
Compression Ratio 1:
9.5:1
Bore X Stroke 1:
86.7 mm x 97.0 mm
Fuel Delivery 1:
Electronic Multi-Point Fuel Injection (MPI)
Fuel Type 1:
Unleaded Gasoline (Octane rating typically 87 or higher)
Engine Code 2:
G6CU (2.7L Delta V6 - Optional)
Engine Displacement 2:
2656 cc (162.1 cubic inches)
Engine Configuration 2:
V-type 6-cylinder, DOHC, 24 valves
Horsepower 2:
185 hp @ 6000 rpm
Torque 2:
179 lb-ft @ 4500 rpm
Fuel Delivery 2:
Electronic Multi-Point Fuel Injection (MPI)
Transmission Type Standard:
5-Speed Manual Transmission (MT)
Transmission Type Optional:
5-Speed Automatic Transmission (AT) with Shiftronic (driver-selectable manual shifting)
Transmission Fluid Spec Auto:
Kia Genuine ATF SP-III or equivalent DEXRON III/Mercon (refer to manual for precise specification)
Transmission Fluid Capacity Auto:
Approximately 7.4 Liters (7.8 US Quarts) for complete refill (refer to manual for exact capacity)
Transmission Fluid Spec Manual:
GL-4 SAE 75W-90 (refer to manual for precise specification)
Length:
4800 mm (189.0 inches)
Width:
1830 mm (72.0 inches)
Height:
1485 mm (58.5 inches)
Wheelbase:
2720 mm (107.1 inches)
Front Track:
1565 mm (61.6 inches)
Rear Track:
1560 mm (61.4 inches)
Ground Clearance:
Approximately 140 mm (5.5 inches)
Trunk Volume:
Approximately 430 Liters (15.2 cubic feet)
Curb Weight 2.4L:
Approximately 1480-1550 kg (3260-3417 lbs)
Curb Weight 2.7L V6:
Approximately 1530-1590 kg (3373-3505 lbs)
Gross Vehicle Weight Rating Gvwr:
Refer to vehicle VIN plate or manual for specific GVWR
Towing Capacity:
Typically not recommended or rated for significant towing (consult manual)
NHTSA Front Impact Driver:
5 Stars (for 2007 model)
NHTSA Front Impact Passenger:
5 Stars (for 2007 model)
NHTSA Side Impact Front Driver:
5 Stars (for 2007 model)
NHTSA Side Impact Front Passenger:
5 Stars (for 2007 model)
NHTSA Side Impact Rear Driver:
5 Stars (for 2007 model)
NHTSA Side Impact Rear Passenger:
5 Stars (for 2007 model)
IIHS Front Offset Good:
Good (for 2007 model)
IIHS Side Impact Good:
Good (for 2007 model)
ABS:
Standard (Anti-lock Braking System)
Ebd:
Standard (Electronic Brakeforce Distribution)
Traction Control:
Optional (Traction Control System - TCS)
Electronic Stability Control:
Optional (Electronic Stability Control - ESC)
Airbags Front:
Standard (Dual front airbags)
Airbags Side:
Optional/Standard (Side curtain airbags for front and rear occupants, depending on trim)
Seatbelts:
3-point seatbelts with pretensioners for all occupants.
Audio System:
Standard AM/FM/CD player with 6 speakers. Optional Infinity premium audio system with subwoofer available on higher trims.
Display:
Central dashboard display for audio and climate controls. Optional navigation system available on some trims.
Parking Assistance:
Optional rear parking sensors on select trims.
Auxiliary Input:
Optional auxiliary audio input jack on some models.
Bluetooth:
Not typically available on this model year as standard.
Oil Change Interval:
Every 7,500 miles (12,000 km) or 6 months, whichever comes first (under normal driving conditions). Severe driving may require more frequent changes.
Air Filter Replacement:
Every 30,000 miles (48,000 km) or as needed based on inspection.
Cabin Air Filter Replacement:
Every 15,000 miles (24,000 km) or annually.
Spark Plug Replacement 2.4L:
Iridium spark plugs typically last 100,000 miles (160,000 km). Refer to manual for exact type and interval.
Timing Belt Or Chain:
The 2.4L Theta engine uses a timing chain, which is designed to last the life of the engine and does not have a scheduled replacement interval. The 2.7L V6 also uses a timing chain.
Engine Oil Type:
API SM or higher, SAE 5W-20 (preferred) or SAE 5W-30. Consult manual for temperature range applicability.
Engine Oil Capacity 2.4L:
Approximately 4.5 Liters (4.8 US Quarts) with filter change (refer to manual for exact capacity).
Engine Oil Capacity 2.7L V6:
Approximately 4.7 Liters (5.0 US Quarts) with filter change (refer to manual for exact capacity).
Coolant Type:
Ethylene glycol based antifreeze, pre-mixed 50/50 with distilled water. Kia Super Long Life Coolant (or equivalent meeting MS-9714 spec).
Brake Fluid Type:
DOT 3 or DOT 4 (consult manual for specific recommendation)
Power Steering Fluid Type:
Kia Genuine Power Steering Fluid or equivalent DEXRON II/III (consult manual for specific recommendation)
Common Complaints Engine:
Occasional oil consumption in higher mileage engines, potential for catalytic converter issues (check for TSBs).
Common Complaints Suspension:
Premature wear of front sway bar links and bushings leading to clunking noises.
Common Complaints Electrical:
Window regulator failures, faulty door lock actuators, occasional sensor failures (e.g., crank position sensor).
Common Complaints HVAC:
HVAC blower motor resistor failure, AC compressor issues.
Kia History:
Founded in 1944, Kia is South Korea's oldest manufacturer of motor vehicles. Initially producing bicycle parts, they moved into motorcycles, trucks, and eventually passenger cars, gaining a reputation for value and improving quality over decades.
Optima Generation 2:
The 2007 Optima belongs to the second generation (MS platform, 2006-2010), which was a significant improvement over the first generation. It was designed under Peter Schreyer's leadership and featured a more European-inspired design and improved driving dynamics.
Assembly Location:
Hwasung, South Korea (primary)
Production Years:
2006-2010 (for second generation)
IIHS Top Safety Pick:
The 2007 Optima received 'Good' ratings in IIHS crash tests, contributing to its strong safety perception.
Jdpower Initial Quality:
While not consistently at the top of its class, Kia's initial quality scores saw improvements during this period, with the Optima generally performing acceptably for its segment.
Epa Fuel Economy 2.4L Auto:
City: ~19-21 MPG, Highway: ~27-30 MPG (EPA estimates, actual mileage may vary)
Epa Fuel Economy 2.7L V6 Auto:
City: ~18-20 MPG, Highway: ~26-28 MPG (EPA estimates, actual mileage may vary)