The 2018 KIA Optima is a mid-size sedan that builds upon KIA's reputation for value and style. Part of the fourth generation (2016-2020), it offers a comfortable ride and ample features. Key trims include LX, S, EX, and SX. New, it ranged roughly from $23,000 to $31,000. Its sleek design, generous warranty, and user-friendly tech made it a popular choice.
The Good
The 2018 Optima boasts a stylish design and comfortable interior, appealing to emotional buyers. Practically, it offers good fuel efficiency, a long warranty (though transferring to subsequent owners changes the terms), and a competitive price point, making it a smart and sensible choice. The responsive handling and available turbocharged engine adds to the driving experience.
The Bad
While generally reliable, some 2018 Optima models have experienced engine issues, particularly with the 2.4L engine, requiring careful inspection. The base engine can feel underpowered for some drivers. The rear seats are not as spacious as some competitors, and the infotainment system, while user-friendly, is not the most advanced in its class.
2018 KIA Optima: Quick Overview
- Engine Options:
- 2.4L Inline-4: 185 hp, 178 lb-ft of torque
- 1.6L Turbocharged Inline-4: 178 hp, 195 lb-ft of torque
- 2.0L Turbocharged Inline-4 (SX Trim): 245 hp, 260 lb-ft of torque
- Horsepower: Ranges from 178 hp to 245 hp depending on engine.
- Fuel Economy (EPA Estimated):
- 2.4L: 25 mpg city / 35 mpg highway
- 1.6L Turbo: 28 mpg city / 37 mpg highway
- 2.0L Turbo: 22 mpg city / 31 mpg highway
- 0-60 Times (Estimated):
- 2.4L: 8.2 - 8.5 seconds
- 1.6L Turbo: 7.8 - 8.0 seconds
- 2.0L Turbo: 6.5 - 6.8 seconds
- Towing Capacity: Not recommended or rated for towing.
- Trim-Level Features:
- LX: Standard features include a 7-inch touchscreen, rearview camera, Bluetooth, Apple CarPlay, and Android Auto.
- S: Adds sporty exterior styling, rear spoiler, sport seats, and LED taillights.
- EX: Includes leather upholstery, heated front seats, dual-zone automatic climate control, and keyless entry.
- SX: Upgrades to a more powerful 2.0L turbo engine, sport-tuned suspension, panoramic sunroof, and paddle shifters. Advanced safety features are also typically included.
2018 KIA Optima Specifications
Vehicle Information
| Year | 2018 |
| Make | KIA |
| Model | Optima |
| Trim | - |
| Style | Automatic |
| Type | Sedan |
| Category | Compact Car |
Manufacturing Details
| Made In | United States |
| Manufacturing City | - |
Dimensions
| Doors | 4-Door |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | 5 |
Engine & Performance
| Engine | GDI |
| Engine Size | 2.4L |
| Engine Cylinders | 4 |
| Transmission | - |
| Transmission Type | Automatic |
| Transmission Speeds | - |
| Drivetrain | Front-Wheel Drive |
Additional Features
| Anti-Brake System | Standard |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
Vehicle History Report
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Analysis
Analysis
What Problems Does the 2018 KIA Optima Have?
The 2018 KIA Optima has faced some reliability concerns, particularly regarding the 2.4L GDI engine. Some owners have reported issues with excessive oil consumption and, in some cases, engine failure. These issues have led to class-action lawsuits and recalls affecting certain production runs. It's crucial to check the vehicle's history for any completed recall work related to engine problems.
While not as widespread, issues with the transmission have also been reported. These may include rough shifting or unusual noises. Electrical problems, such as issues with the infotainment system or sensors, have also been noted, though less frequently.
Long-term reliability can depend heavily on maintenance habits. Regular oil changes with the correct viscosity and adherence to scheduled maintenance are vital for mitigating engine-related problems. Before purchasing a used 2018 Optima, a thorough inspection by a qualified mechanic is highly recommended, paying close attention to the engine's condition and service history. Check for any signs of oil leaks, unusual engine noises, or diagnostic trouble codes.
While not as widespread, issues with the transmission have also been reported. These may include rough shifting or unusual noises. Electrical problems, such as issues with the infotainment system or sensors, have also been noted, though less frequently.
Long-term reliability can depend heavily on maintenance habits. Regular oil changes with the correct viscosity and adherence to scheduled maintenance are vital for mitigating engine-related problems. Before purchasing a used 2018 Optima, a thorough inspection by a qualified mechanic is highly recommended, paying close attention to the engine's condition and service history. Check for any signs of oil leaks, unusual engine noises, or diagnostic trouble codes.
How long will the 2018 KIA Optima last?
With proper maintenance, a 2018 KIA Optima can reasonably be expected to last for 150,000 to 200,000 miles, potentially equating to 10-13 years of service for the average driver. However, the 2.4L engine is a known weak point and its longevity heavily relies on meticulous maintenance. Regular oil changes (more frequent than the standard interval recommended by KIA), using high-quality synthetic oil, is crucial. Watch for signs of increased oil consumption. Corrosion can also become a factor in regions with harsh winters. Addressing rust promptly will extend the vehicle's lifespan.
What Technology & Safety Features are Included?
The 2018 KIA Optima comes standard with a 7-inch touchscreen infotainment system that includes Apple CarPlay and Android Auto compatibility, a rearview camera, and Bluetooth connectivity. Higher trims offer an 8-inch touchscreen, navigation, and a premium Harman Kardon sound system.
Driver-assistance features include available blind-spot monitoring, rear cross-traffic alert, lane departure warning, forward collision warning, and automatic emergency braking. Adaptive cruise control is also available on some trims.
Safety features include standard antilock brakes, stability control, traction control, and a suite of airbags. The 2018 Optima received good crash-test ratings from both the National Highway Traffic Safety Administration (NHTSA) and the Insurance Institute for Highway Safety (IIHS). NHTSA awarded it a 5-star overall safety rating. The IIHS gave it a "Top Safety Pick" rating when equipped with optional forward collision warning and automatic emergency braking.
Optional features vary by trim but can include a panoramic sunroof, leather upholstery, heated and ventilated front seats, a heated steering wheel, and a smart trunk. The user-friendly interface and readily available tech make the 2018 Optima a competitive choice in its class.
Driver-assistance features include available blind-spot monitoring, rear cross-traffic alert, lane departure warning, forward collision warning, and automatic emergency braking. Adaptive cruise control is also available on some trims.
Safety features include standard antilock brakes, stability control, traction control, and a suite of airbags. The 2018 Optima received good crash-test ratings from both the National Highway Traffic Safety Administration (NHTSA) and the Insurance Institute for Highway Safety (IIHS). NHTSA awarded it a 5-star overall safety rating. The IIHS gave it a "Top Safety Pick" rating when equipped with optional forward collision warning and automatic emergency braking.
Optional features vary by trim but can include a panoramic sunroof, leather upholstery, heated and ventilated front seats, a heated steering wheel, and a smart trunk. The user-friendly interface and readily available tech make the 2018 Optima a competitive choice in its class.
What Colors Options are Available?
Exterior Colors
Ebony Black
Glacial White Pearl
Aurora Black
Sangria
Gravity Gray
Horizon Blue
Remington Red
Platinum Graphite
Mysterious Blue
Sparkling Silver
Snow White Pearl
Burgundy
Interior Colors
Black Cloth
Gray Cloth
Black Leather
Gray Leather
Espresso Brown Leather
Auburn Leather
Dark Saddle Brown Leather
Light Gray Cloth
2018 KIA Optima Prices and Market Value
When new, the 2018 KIA Optima ranged from approximately $23,000 for the base LX trim to around $31,000 for the top-of-the-line SX. As of late 2023/early 2024, used market prices typically range from $13,000 to $20,000, depending on condition, mileage, and trim level. Depreciation is fairly typical for the mid-size sedan segment. Factors affecting resale value include the vehicle's condition, mileage, service history (especially regarding the engine issues), and whether it has any active recalls. Lower mileage examples with clean titles and documented maintenance command higher prices.
2018 KIA Optima Cost of Ownership
The 2018 KIA Optima is generally considered economical to own. Insurance costs are typically average for the mid-size sedan segment. Fuel costs are reasonable, especially with the 1.6L turbo engine. However, potential engine repairs on the 2.4L engine can significantly increase long-term ownership costs. Regular maintenance, including oil changes and tire rotations, is crucial to prevent costly repairs. Overall, it balances affordability with potential maintenance risks, making it moderately economical, but with caveats.
2018 KIA Optima Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2018 KIA Optima Safety Rating
NHTSA
2018 KIA Optima Recalls & Defects
Hybrid Propulsion System
Recall date
2018-03-08
Recall no.
18v161000
Source
NHTSA
Summary
KIA Motors America (Kia) IS Recalling Certain 2017-2018 KIA Optima Hybrid Vehicles. These Vehicles ARE Equipped With A Voltage Protection Device (Vpd), Designed TO Protect THE High Voltage Battery Module, That MAY Activate Inadvertently.
Consequence
IF THE VPD Activates While THE Vehicle IS Being Operated IN Electric Vehicle (Ev) Mode, There MAY BE A Loss OF Power, Increasing THE Risk OF A Crash.
Remedy
KIA Will Notify Owners, and Dealers Will Remove THE VPD Switch and Install Two Newly Designed Battery Management Systems (Bms) That Contain Overvoltage Protection Devices (Opds), Free OF Charge. THE Recall IS Expected TO Begin MAY 2018. Owners MAY Contact KIA Customer Service AT 1-800-333-4542. Kia's Number FOR This Recall IS Sc162.
Notes
Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
Latches/Locks/Linkages:trunk Lid:latch
Recall date
2023-08-24
Recall no.
23v594000
Source
NHTSA
Summary
KIA America, Inc. (Kia) IS Recalling Certain 2016-2017 Rio, 2016-2018 Optima, 2017-2018 Optima Hybrid and Optima Plug-in Hybrid Vehicles. THE Trunk Latch Base MAY Crack, Preventing THE Opening OF THE Trunk From THE Inside. AS Such, These Vehicles Fail TO Comply With THE Requirements OF Federal Motor Vehicle Safety Standard Number 401, "internal Trunk Release."
Consequence
A Person Inside THE Trunk Compartment MAY Become Trapped, Increasing Their Risk OF Injury.
Remedy
Dealers Will Replace THE Trunk Latch Base Subassembly, Free OF Charge. Owner Notification Letters Were Mailed October 19, 2023. Owners MAY Contact KIA Customer Service AT 1-800-333-4542. Kia's Number FOR This Recall IS Sc278.
Notes
Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.nhtsa.gov.
2018 KIA Optima Insurance
Insurance for a 2018 KIA Optima is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2018 KIA Optima Compare to Other Sedan?
The 2018 KIA Optima competes with the Toyota Camry, Honda Accord, Mazda 6, and Hyundai Sonata. In terms of price, the Optima often offers a more competitive value, providing similar features at a lower price point. However, the Camry and Accord generally boast superior reliability records. The Mazda 6 offers a more engaging driving experience, while the Sonata shares many similarities with the Optima, being from the same automotive group.
The Optima's performance is adequate, but the base engine can feel sluggish compared to rivals. While the SX trim provides a more powerful turbocharged engine, it doesn't quite match the sporty handling of the Mazda 6. Features-wise, the Optima is well-equipped, but the infotainment system isn't as refined or intuitive as some competitors.
If reliability is a top priority, the Toyota Camry or Honda Accord are better alternatives, despite potentially costing more upfront. If you're looking for a sportier driving experience, the Mazda 6 is a good choice. If value is paramount, the Hyundai Sonata (mechanically similar to the Optima) could also be considered, but with the same potential engine concerns.
The Optima's performance is adequate, but the base engine can feel sluggish compared to rivals. While the SX trim provides a more powerful turbocharged engine, it doesn't quite match the sporty handling of the Mazda 6. Features-wise, the Optima is well-equipped, but the infotainment system isn't as refined or intuitive as some competitors.
If reliability is a top priority, the Toyota Camry or Honda Accord are better alternatives, despite potentially costing more upfront. If you're looking for a sportier driving experience, the Mazda 6 is a good choice. If value is paramount, the Hyundai Sonata (mechanically similar to the Optima) could also be considered, but with the same potential engine concerns.
Final Verdict: Is the 2018 KIA Optima a Good Sedan?
The 2018 KIA Optima is a good choice for budget-conscious buyers seeking a stylish and well-equipped mid-size sedan. It's particularly suitable for those who prioritize features and design over outright performance or a flawless reliability record. However, due to potential engine issues, a thorough pre-purchase inspection is crucial. If considering a used Optima, opt for the 1.6L turbo engine if possible, as it has fewer reported problems than the 2.4L. Ensuring all recall work has been completed is a must. It's worth buying if you find a well-maintained example with a solid service history at a competitive price, but only after addressing the potential risks.
Cathleen V
Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.