The Kia Optima I 2.0 (149 hp) Automatic, produced between 2000 and 2002, represented Kia’s initial foray into the mid-size sedan segment with a focus on providing a value-oriented alternative to established Japanese and American competitors. This variant occupied a mid-range position within the first-generation Optima (codenamed B4), offering a balance between affordability and acceptable performance. It was positioned below the later, more powerful 2.5L V6 models, and above any potential base-level trims that may have been offered in certain markets. The Optima I was a crucial model for Kia, signaling their ambition to move beyond budget-focused vehicles and establish a reputation for quality and design.
Technical Specifications
| Brand | Kia |
| Model | Optima |
| Generation | Optima I |
| Type (Engine) | 2.0 (149 Hp) Automatic |
| Start of production | 2000 |
| End of production | 2002 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 9.1 kg/Hp, 110 Hp/tonne |
| Weight-to-torque ratio | 7 kg/Nm, 142.4 Nm/tonne |
| Power | 149 Hp @ 6000 rpm |
| Power per litre | 74.6 Hp/l |
| Torque | 193 Nm @ 4500 rpm (142.35 lb.-ft. @ 4500 rpm) |
| Engine layout | Front, Transverse |
| Engine displacement | 1997 cm3 (121.86 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 85 mm (3.35 in.) |
| Piston Stroke | 88 mm (3.46 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Kerb Weight | 1355 kg (2987.26 lbs.) |
| Max. weight | 1985 kg (4376.18 lbs.) |
| Max load | 630 kg (1388.91 lbs.) |
| Trunk (boot) space – minimum | 479 l (16.92 cu. ft.) |
| Fuel tank capacity | 65 l (17.17 US gal | 14.3 UK gal) |
| Length | 4745 mm (186.81 in.) |
| Width | 1815 mm (71.46 in.) |
| Height | 1420 mm (55.91 in.) |
| Wheelbase | 2700 mm (106.3 in.) |
| Front track | 1540 mm (60.63 in.) |
| Rear (Back) track | 1530 mm (60.24 in.) |
| 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 | 4 gears, automatic transmission |
| Front suspension | Wishbone |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 195/70 R14 |
| Wheel rims size | 14 |
Powertrain & Engine Architecture
The heart of the Optima I 2.0 Automatic is a 1.997-liter inline-four cylinder gasoline engine. This engine, internally designated with various codes depending on the specific market, utilizes a multi-port fuel injection (MPI) system for precise fuel delivery. The engine features a double overhead camshaft (DOHC) valvetrain, operating 16 valves (four per cylinder) to optimize airflow and combustion efficiency. The 10:1 compression ratio was a standard figure for engines of this era, balancing performance and fuel economy. The four-speed automatic transmission was a conventional hydraulic unit, chosen for its smoothness and ease of use, appealing to a broader customer base than a manual transmission. While not particularly advanced, this transmission was reliable and well-suited to the engine’s power characteristics.
Driving Characteristics
The 149 horsepower and 193 Nm (142.35 lb-ft) of torque delivered by the 2.0L engine, coupled with the four-speed automatic, resulted in adequate, but not exhilarating, performance. Acceleration from 0 to 60 mph was estimated to be around 10-11 seconds. The automatic transmission’s gear ratios were tuned for comfort and fuel efficiency rather than outright speed. Compared to the later 2.5L V6 Optima, the 2.0L felt noticeably less powerful, particularly during highway overtaking maneuvers. However, the automatic transmission provided smooth shifts and made the car easy to drive in urban environments. The 2.0L automatic was generally considered more fuel-efficient than the V6, making it a practical choice for daily commuting.
Equipment & Trim Levels
The Optima I 2.0 Automatic typically came standard with features considered essential for a mid-size sedan at the time. These included air conditioning, power windows and locks, and an AM/FM radio with a cassette player. Higher trim levels, often denoted by “LX” or “SE” badges, added features such as alloy wheels, a sunroof, upgraded upholstery, and a more sophisticated audio system. Interior upholstery was typically cloth, with optional leather available on higher trims. Safety features included dual front airbags and ABS (Anti-lock Braking System), which was becoming increasingly common on vehicles in this class.
Chassis & Braking
The Optima I utilized a front-wheel-drive layout with a MacPherson strut front suspension and a coil spring rear suspension. This setup provided a comfortable ride, although handling was not particularly sporty. The front brakes were ventilated discs, offering good stopping power, while the rear brakes were solid discs. The steering was rack-and-pinion with hydraulic power assistance, providing a reasonably responsive feel. Tire size was typically 195/70 R14, mounted on 14-inch steel or alloy wheels.
Market Reception & Comparison
The Kia Optima I 2.0 Automatic was generally well-received by automotive critics as a solid, value-for-money offering. It was praised for its spacious interior, comfortable ride, and comprehensive standard features. However, it was often criticized for its relatively uninspired styling and lack of brand recognition compared to established competitors like the Honda Accord and Toyota Camry. Fuel economy was considered competitive for its class, and reliability was generally good, although not exceptional. Compared to the V6 Optima, the 2.0L Automatic offered a more affordable entry point into the Optima range, appealing to budget-conscious buyers who prioritized fuel efficiency and practicality over outright performance.
Legacy
The Kia Optima I 2.0 Automatic, while not a groundbreaking vehicle, played a significant role in establishing Kia as a viable competitor in the mid-size sedan segment. The 2.0L engine and four-speed automatic transmission proved to be reasonably reliable, and many examples are still on the road today. In the used car market, these Optimas are often sought after as affordable and practical transportation. While maintenance costs are generally low, age-related issues such as worn suspension components and potential oil leaks should be considered. The Optima I laid the foundation for the subsequent generations of Optima, which have become increasingly popular and well-regarded for their styling, features, and value.


