The Kia Optima I LX 2.7 V6 Automatic, produced from 2001 to 2002, marked Kia’s initial entry into the mid-size sedan segment, aiming to provide a more refined offering than previously available from the Korean automaker. This variant occupied a mid-range position within the first generation Optima (designated as the Optima I), situated above the base model but below any higher-trim levels offered in select markets. It was designed to compete with established Japanese and American sedans such as the Honda Accord, Toyota Camry, and Ford Fusion, offering a compelling combination of features, space, and a V6 engine at a competitive price point. The Optima I was built on Kia’s platform, with the goal of establishing the brand as a serious contender in the North American market.
Technical Specifications
| Brand | Kia |
| Model | Optima |
| Generation | Optima I |
| Type (Engine) | LX 2.7 V6 (181 Hp) Automatic |
| Start of production | 2001 year |
| End of production | 2002 year |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8 kg/Hp, 125.1 Hp/tonne |
| Weight-to-torque ratio | 5.9 kg/Nm, 169.3 Nm/tonne |
| Power | 181 Hp @ 6000 rpm |
| Power per litre | 68.1 Hp/l |
| Torque | 245 Nm @ 4000 rpm, 180.7 lb.-ft. @ 4000 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | Delta / G6BA |
| Engine displacement | 2656 cm3, 162.08 cu. in. |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 86.7 mm, 3.41 in. |
| Piston Stroke | 75 mm, 2.95 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 |
| Engine oil capacity | 4.5 l, 4.76 US qt | 3.96 UK qt |
| Kerb Weight | 1447 kg, 3190.09 lbs |
| Trunk (boot) space – minimum | 368 l, 13 cu. ft |
| Fuel tank capacity | 65 l, 17.17 US gal | 14.3 UK gal |
| Length | 4722 mm, 185.91 in |
| Width | 1815 mm, 71.46 in |
| Height | 1410 mm, 55.51 in |
| Wheelbase | 2700 mm, 106.3 in |
| Front track | 1540 mm, 60.63 in |
| Rear (Back) track | 1530 mm, 60.24 in |
| Minimum turning circle (turning diameter) | 10.4 m, 34.12 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 | 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 | 205/60 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The heart of the Optima I LX 2.7 V6 was the Kia Delta engine, specifically the G6BA variant. This 2.7-liter, naturally aspirated V6 engine featured a 60-degree V-angle and utilized a cast iron block with an aluminum cylinder head. The engine employed multi-port fuel injection (MPI) and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. This configuration allowed for a reasonable balance of power and efficiency. The engine produced 181 horsepower at 6000 rpm and 245 Nm (180.7 lb-ft) of torque at 4000 rpm. The engine’s longitudinal mounting was a notable design choice, contributing to the vehicle’s front-wheel-drive layout. The four-speed automatic transmission was a conventional hydraulic unit, chosen for its smoothness and relative simplicity. It wasn’t known for particularly quick shifts, but it provided adequate performance for everyday driving.
Driving Characteristics
The 181 hp V6 paired with the four-speed automatic transmission delivered adequate, though not exhilarating, performance. Acceleration from 0 to 60 mph was estimated to be around 9-10 seconds. The automatic transmission’s gear ratios were tuned for comfort and fuel economy rather than outright speed. The transmission tended to upshift quickly, prioritizing fuel efficiency over maintaining optimal engine RPM for acceleration. Compared to a manual transmission equipped Optima, the automatic version felt noticeably slower. However, the automatic provided a more relaxed driving experience, particularly in city traffic. The engine provided sufficient torque for merging onto highways and passing other vehicles, but required a deliberate kickdown of the throttle for quicker responses.
Equipment & Trim Levels
The LX trim level of the Optima I typically included standard features such as air conditioning, power windows and locks, a basic audio system, and cloth upholstery. Safety features included dual front airbags and ABS (Anti-lock Braking System). Optional extras available for the LX trim could include a power sunroof, upgraded audio systems, and alloy wheels. The interior design was functional and straightforward, with a focus on providing a comfortable and practical space for passengers. The dashboard layout was relatively simple, with easy-to-read gauges and controls. The LX trim aimed to provide a good value proposition, offering essential features without the added cost of luxury amenities.
Chassis & Braking
The Optima I utilized a front-wheel-drive layout with an independent wishbone front suspension and a coil spring rear suspension. The suspension was tuned for a comfortable ride, prioritizing smoothness over sporty handling. The front brakes were ventilated discs, providing adequate stopping power, while the rear brakes were solid discs. The steering system was a rack-and-pinion setup with hydraulic power assistance, offering reasonable steering feel and responsiveness. The vehicle rode on 15-inch wheels with 205/60 R15 tires. The chassis was designed to provide a stable and predictable driving experience, but it wasn’t particularly engaging for enthusiastic drivers.
Market Reception & Comparison
The Kia Optima I LX 2.7 V6 Automatic was generally well-received by critics as a solid, value-oriented mid-size sedan. Reviewers praised its spacious interior, comfortable ride, and the availability of a V6 engine at a competitive price. However, some critics noted that the automatic transmission felt somewhat sluggish and that the interior materials weren’t as refined as those found in some of its Japanese competitors. Fuel economy was average for the class, with EPA estimates around 19 mpg city and 27 mpg highway. Compared to the base four-cylinder Optima, the V6 version offered significantly more power and a smoother driving experience, but at the cost of slightly lower fuel economy. Compared to other V6-equipped mid-size sedans, the Optima offered a compelling value proposition, undercutting many of its rivals in price.
Legacy
The Kia Optima I, and specifically the LX 2.7 V6 Automatic variant, played a crucial role in establishing Kia as a legitimate player in the North American automotive market. While not known for exceptional reliability issues, the G6BA engine and associated four-speed automatic transmission are generally considered durable, though preventative maintenance is key as with any vehicle of this age. Today, the Optima I can be found in the used car market at very affordable prices. While it may not offer the latest technology or features, it remains a practical and reliable transportation option for those seeking a budget-friendly mid-size sedan. Its significance lies in its contribution to Kia’s brand transformation and its role in paving the way for the more refined and technologically advanced Optima models that followed.


