The Kia Optima III, specifically the 2.0 CVVT 16V EcoDynamics variant produced from 2013 to 2015, represented a significant step forward for the Korean automaker in the mid-size sedan segment. This facelifted version of the third-generation Optima (internally designated as the TF) aimed to balance fuel efficiency with acceptable performance, targeting a broad customer base seeking a stylish and practical family vehicle. Positioned as a mid-range offering within the Optima lineup, it slotted between the base 2.0L non-EcoDynamics model and the more powerful 2.4L variants. The EcoDynamics package focused on maximizing fuel economy through engine and drivetrain optimizations.
Technical Specifications
| Brand | Kia |
| Model | Optima |
| Generation | Optima III (facelift 2013) |
| Type (Engine) | 2.0 CVVT 16V EcoDynamics (165 Hp) |
| Start of production | 2013 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 5.7 l/100 km (41.3 US mpg, 49.6 UK mpg, 17.5 km/l) |
| Fuel consumption (extra urban) | 4.4 l/100 km (53.5 US mpg, 64.2 UK mpg, 22.7 km/l) |
| Fuel consumption (combined) | 4.9 l/100 km (48 US mpg, 57.6 UK mpg, 20.4 km/l) |
| CO2 emissions | 128 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.3 sec |
| Acceleration 0 – 62 mph | 10.3 sec |
| Acceleration 0 – 60 mph | 9.8 sec |
| Maximum speed | 202 km/h (125.52 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 9.1 kg/Hp, 110 Hp/tonne |
| Weight-to-torque ratio | 7.7 kg/Nm, 130.7 Nm/tonne |
| Power | 165 Hp @ 6500 rpm |
| Power per litre | 82.5 Hp/l |
| Torque | 196 Nm @ 4800 rpm (144.56 lb.-ft. @ 4800 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | Nu / G4NA |
| Engine displacement | 1999 cm3 (121.99 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 81 mm (3.19 in.) |
| Piston Stroke | 97 mm (3.82 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC, CVVT |
| Engine oil capacity | 4.3 l (4.54 US qt | 3.78 UK qt) |
| Coolant | 6.6 l (6.97 US qt | 5.81 UK qt) |
| Kerb Weight | 1500 kg (3306.93 lbs.) |
| Max. weight | 2050 kg (4519.48 lbs.) |
| Max load | 550 kg (1212.54 lbs.) |
| Trunk (boot) space – minimum | 505 l (17.83 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Permitted trailer load with brakes (12%) | 1300 kg (2866.01 lbs.) |
| Permitted trailer load without brakes | 650 kg (1433 lbs.) |
| Permitted towbar download | 60 kg (132.28 lbs.) |
| 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.) |
| 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 suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 215/55 R17 |
| Wheel rims size | 6.5J x 17 |
Powertrain & Engine Architecture
At the heart of the 2.0 CVVT EcoDynamics Optima lies the Nu series 2.0-liter inline-four engine, specifically the G4NA code. This engine utilizes multi-point fuel injection and a double overhead camshaft (DOHC) valvetrain with continuously variable valve timing (CVVT) on both intake and exhaust camshafts. The CVVT system optimizes valve timing based on engine speed and load, improving both performance and fuel efficiency. The engine produces 165 horsepower at 6500 rpm and 196 Nm (144.56 lb-ft) of torque at 4800 rpm. The EcoDynamics package included modifications to the engine control unit (ECU) and potentially alterations to the intake and exhaust systems to further enhance fuel economy. Paired with this engine is a six-speed automatic transmission, chosen for its smooth operation and ease of use, appealing to a wider range of drivers. The transmission was calibrated for fuel efficiency, resulting in slightly less aggressive shift points compared to sportier Optima trims.
Driving Characteristics
The 165 hp 2.0L automatic Optima offered a comfortable and predictable driving experience. Acceleration from 0-60 mph took approximately 9.8 seconds, making it adequate for everyday driving but not particularly sporty. The automatic transmission, while smooth, could feel somewhat hesitant during quick acceleration or overtaking maneuvers. The gear ratios were optimized for fuel economy, meaning the engine often operated at lower RPMs during cruising. Compared to the 2.4L models, the 2.0L EcoDynamics felt noticeably less powerful, especially when fully loaded or climbing hills. However, the difference in fuel economy was significant, making it a more attractive option for drivers prioritizing efficiency.
Equipment & Trim Levels
The 2.0 CVVT EcoDynamics trim typically included standard features such as air conditioning, power windows and locks, a basic audio system with USB connectivity, and cloth upholstery. Safety features included ABS, electronic stability control, and multiple airbags. Optional extras often included a sunroof, leather upholstery, a more advanced audio system with navigation, and heated front seats. The interior design was functional and well-built, though materials were generally of a lower grade compared to higher-trim Optima models.
Chassis & Braking
The Optima III utilized a McPherson strut front suspension and a multi-link rear suspension, providing a comfortable ride quality. The suspension was tuned for everyday driving, prioritizing comfort over sporty handling. Braking duties were handled by ventilated discs at the front and solid discs at the rear. ABS was standard, providing enhanced braking performance in emergency situations. The steering was a rack-and-pinion system, offering reasonable precision and feedback.
Market Reception & Comparison
The 2.0L EcoDynamics Optima was generally well-received by critics as a practical and fuel-efficient mid-size sedan. It was praised for its comfortable ride, spacious interior, and attractive styling. However, some reviewers noted the engine’s lack of outright power and the transmission’s sometimes sluggish response. Compared to competitors like the Toyota Camry and Honda Accord, the Optima offered a more stylish design and a longer warranty, but its fuel economy was generally comparable. Within the Optima lineup, the 2.0L EcoDynamics appealed to budget-conscious buyers who prioritized fuel efficiency over performance.
Legacy
The Kia Optima III 2.0 CVVT EcoDynamics has proven to be a relatively reliable vehicle in the used car market. The Nu engine, while not without its occasional issues (such as potential for oil consumption in some cases), is generally considered durable. The six-speed automatic transmission has also proven to be fairly robust. Today, these Optimas represent a good value for buyers seeking an affordable and practical mid-size sedan. Their fuel efficiency and relatively low maintenance costs make them an attractive option for commuters and families.
