The Kia Optima III, specifically the facelifted version introduced in 2013, represented a significant step forward for the Korean automaker in the mid-size sedan segment. The 2.0 T-GDI (Turbocharged Gasoline Direct Injection) variant, producing 278 horsepower and paired with a six-speed automatic transmission, was positioned as the performance-oriented trim within the Optima lineup, offered from 2013 through 2015. This model aimed to attract buyers seeking a blend of style, technology, and spirited driving dynamics, challenging established competitors like the Honda Accord and Toyota Camry.
Technical Specifications
| Brand | Kia |
| Model | Optima |
| Generation | Optima III (facelift 2013) |
| Type (Engine) | 2.0 T-GDI (278 Hp) Automatic |
| Start of production | 2013 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 5.7 kg/Hp, 176.7 Hp/tonne |
| Weight-to-torque ratio | 4.3 kg/Nm, 232 Nm/tonne |
| Power | 278 Hp @ 6000 rpm |
| Power per litre | 139.1 Hp/l |
| Torque | 365 Nm @ 1750-4500 rpm (269.21 lb.-ft. @ 1750-4500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | G4KH |
| Engine displacement | 1998 cm3 (121.93 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 86 mm (3.39 in.) |
| Piston Stroke | 86 mm (3.39 in.) |
| Compression ratio | 9.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 1573 kg (3467.87 lbs.) |
| Trunk (boot) space – minimum | 436 l (15.4 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4845 mm (190.75 in.) |
| Width | 1830 mm (72.05 in.) |
| Height | 1455 mm (57.28 in.) |
| Wheelbase | 2795 mm (110.04 in.) |
| Front track | 1595 mm (62.8 in.) |
| Rear (Back) track | 1595 mm (62.8 in.) |
| Front overhang | 965 mm (37.99 in.) |
| Rear overhang | 1085 mm (42.72 in.) |
| Drag coefficient (Cd) | 0.285 |
| Minimum turning circle (turning diameter) | 11.2 m (36.75 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 225/45 R18 |
| Wheel rims size | 7.5J x 18 |
INTRODUCTION
The 2013-2015 Kia Optima facelift brought a more aggressive and refined aesthetic to the already popular mid-size sedan. The introduction of the 2.0 T-GDI engine, coupled with the six-speed automatic, was a key element in broadening the Optima’s appeal. This variant sat at the top of the performance spectrum for the Optima III, offering a significant power increase over the base 2.4-liter naturally aspirated engine and the fuel-efficient 1.7L diesel available in other markets. Built on the TF platform (internally designated as the 1HX0/A3), the Optima aimed to deliver a more engaging driving experience without sacrificing the practicality and comfort expected of a family sedan.
Powertrain & Engine Architecture
The heart of the 2.0 T-GDI Optima is the G4KH engine, a 1.998-liter inline-four cylinder powerplant. This engine utilizes direct injection technology, injecting fuel directly into the combustion chamber for improved efficiency and power output. A twin-scroll turbocharger, coupled with an intercooler, forces more air into the engine, boosting horsepower and torque. The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing airflow for enhanced performance. The six-speed automatic transmission, while not known for being the most cutting-edge unit, was chosen for its smooth operation and reliability. It features a conventional torque converter and offers a manual shift mode for greater driver control. The transmission’s gear ratios were tuned to balance acceleration with fuel economy, prioritizing responsiveness in typical driving situations.
Driving Characteristics
The 278 horsepower and 365 Nm (269.21 lb-ft) of torque delivered by the 2.0 T-GDI engine transformed the Optima’s driving experience. Acceleration was noticeably quicker than the base engine, allowing for confident merging and overtaking maneuvers. While not a sports sedan, the Optima 2.0 T-GDI offered a level of performance that was uncommon in its class. The automatic transmission generally shifted smoothly, but some reviewers noted a slight hesitation during kickdown. Compared to the manual transmission versions, the automatic provided greater convenience but sacrificed some driver engagement. The suspension, tuned for comfort, did a good job of absorbing bumps, but body roll was present during aggressive cornering. The steering, while accurate, lacked the feedback desired by enthusiasts.
Equipment & Trim Levels
The 2.0 T-GDI Optima typically came well-equipped, often representing the highest trim level available. Standard features generally included leather upholstery, heated front seats, a touchscreen infotainment system with navigation, a premium sound system, and a suite of safety features such as ABS, electronic stability control, and multiple airbags. Optional extras could include a panoramic sunroof, ventilated front seats, and advanced driver-assistance systems like lane departure warning and blind-spot monitoring. Interior materials were generally of good quality, offering a more upscale feel compared to lower trims. The dashboard layout was driver-focused, with intuitive controls and a clear instrument cluster.
Chassis & Braking
The Optima 2.0 T-GDI utilized an independent McPherson strut suspension in the front and an independent multi-link suspension in the rear. This setup provided a good balance of ride comfort and handling. Stabilizer bars were fitted to both axles to reduce body roll. Braking duties were handled by ventilated discs at the front and solid discs at the rear. The braking system was generally effective, providing adequate stopping power for everyday driving. ABS (Anti-lock Braking System) was standard, enhancing safety during emergency braking situations.
Market Reception & Comparison
Critics generally praised the Optima 2.0 T-GDI for its stylish design, generous features, and strong performance. However, some reviewers noted that the automatic transmission could feel slightly sluggish at times. Compared to the base 2.4-liter engine, the 2.0 T-GDI offered a significant power boost, but fuel economy was slightly lower. Against competitors like the Honda Accord and Toyota Camry, the Optima 2.0 T-GDI offered a more distinctive design and a more engaging driving experience, but its long-term reliability was sometimes questioned. The 2.0 T-GDI was a more compelling option for drivers prioritizing performance over ultimate fuel efficiency.
Legacy
The Kia Optima 2.0 T-GDI has proven to be a relatively reliable vehicle, although some owners have reported issues with the turbocharger and fuel injectors. Regular maintenance, including oil changes and timely replacement of wear items, is crucial for ensuring long-term reliability. On the used car market, the 2.0 T-GDI Optima remains a popular choice for buyers seeking a stylish and well-equipped mid-size sedan with a bit of extra performance. Its combination of features, performance, and value has helped to solidify Kia’s reputation as a mainstream automotive brand.
