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2018 KIA Sedona Overview, Reviews, Ratings & Specs

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Cathleen V | September 24, 2025
The 2018 KIA Sedona is a stylish and versatile minivan, part of its third generation, which ran from 2015 to 2021. Known for its SUV-like styling and upscale interior, it offered trims like L, LX, EX, SX, and SX Limited, with new prices ranging from approximately $27,000 to $42,000. It stands out for providing premium features and a refined experience at a competitive price point, making it a popular choice for families seeking value.
The Good

Key advantages of the 2018 KIA Sedona include its powerful yet smooth V6 performance, surprisingly upscale interior design for the class, and excellent overall value. It offers high levels of comfort with spacious seating, appeals to practical buyers with its robust warranty and decent efficiency, while its bold exterior styling also resonates with emotional appeal.

The Bad

Known weaknesses for the 2018 KIA Sedona include its fuel economy, which isn't class-leading, and handling that's less agile compared to some rivals. While the interior is premium, cargo space can be slightly less generous behind the third row than some competitors. Some owners report minor issues with the power sliding doors and infotainment system glitches over time.

2018 KIA Sedona: Quick Overview

The 2018 KIA Sedona offers a consistent powertrain across all trims:

  • Engine: 3.3-liter GDI V6 engine
  • Horsepower: 276 hp @ 6,000 rpm
  • Torque: 248 lb-ft @ 5,200 rpm
  • Transmission: 6-speed automatic transmission
  • Fuel Economy (EPA estimated): 18 MPG city / 24 MPG highway / 21 MPG combined (L, LX, EX), 17 MPG city / 22 MPG highway / 19 MPG combined (SX, SX Limited)
  • 0-60 mph: Approximately 7.4 seconds
  • Towing Capacity: 3,500 lbs when properly equipped

Key trim-level features include:
  • L Trim: Standard features include a 7-inch touchscreen with Android Auto™ and Apple CarPlay®, Bluetooth® connectivity, a rearview camera, manual sliding doors, 17-inch alloy wheels, and a USB port. It's a no-frills entry point focusing on essential family needs.
  • LX Trim: Builds on the L, adding power sliding doors, 8-passenger seating with a removable second-row center seat, power-folding exterior mirrors, and a power driver's seat. This trim enhances convenience for larger families.
  • EX Trim: Elevates comfort and style with leather upholstery, heated front seats, triple-zone automatic climate control, an 8-inch touchscreen with navigation, fog lights, a power liftgate, rear parking sensors, and 18-inch alloy wheels. It represents a significant step up in luxury and technology.
  • SX Trim: Further upgrades the EX with ventilated front seats, a power front passenger seat, a premium Harman Kardon® sound system, LED taillights, a larger instrument cluster display, and several advanced driver-assistance features like Blind-Spot Collision Warning and Rear Cross-Traffic Collision Warning. It also gets unique 18-inch wheels and a sunroof.
  • SX Limited (SXL) Trim: The top-tier trim offers Nappa leather seating, a dual sunroof, a heated steering wheel, a surround-view monitor, Xenon HID headlights, premium wood-grain interior accents, and more comprehensive driver-assistance systems such as Forward Collision Warning, Lane Departure Warning, and Smart Cruise Control. This trim delivers a near-luxury experience.

2018 KIA Sedona Specifications

Vehicle Information
Year 2018
Make KIA
Model Sedona
Trim -
Style -
Type Sport Utility Vehicle
Category Minivan
Manufacturing Details
Made In South Korea
Manufacturing City SOHARI (EXPORTED VEHICLE)
Dimensions
Doors 4-Door
Curb Weight -
Gross Vehicle Weight Rating 7000 pounds
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating 7
Engine & Performance
Engine 3.3 6
Engine Size 3.3L
Engine Cylinders 6
Transmission Automatic
Transmission Type Automatic
Transmission Speeds 6-Speed
Drivetrain Rear-Wheel Drive
Additional Features
Anti-Brake System Standard
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

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Analysis

What Problems Does the 2018 KIA Sedona Have?

While the 2018 KIA Sedona generally maintains a solid reputation for reliability, owners have reported a few recurring issues that prospective buyers should be aware of. One common complaint across this generation of Sedona, including the 2018 model, often revolves around the power sliding doors. Malfunctions, such as doors failing to open or close properly, making grinding noises, or getting stuck, have been noted. These issues can sometimes stem from the motor, sensor, or cabling and may require professional repair.

Another area of concern can be the infotainment system. While the system offers good functionality like Apple CarPlay® and Android Auto®, some users have reported occasional freezing, glitches, or unresponsiveness, which might necessitate a system reset or software update. Minor electrical gremlins, such as issues with auxiliary power outlets or specific sensor warnings, have also cropped up in some vehicles.

Regarding recalls, the 2018 KIA Sedona has been subject to several important campaigns. One notable recall, NHTSA Campaign Number 20V519000, addressed a potential wiring harness issue where water could enter the rear body junction block, leading to an electrical short circuit. This could potentially result in an engine compartment fire, increasing the risk of injury. Another recall, 19V062000, concerned the seat belt pre-tensioners, where the cap that covers the anchor pre-tensioner may detach when deployed, potentially striking an occupant. It is crucial for any potential buyer to verify that all applicable recalls have been completed by a KIA dealership.

Long-term reliability typically sees the 3.3L V6 engine and transmission as robust components, capable of high mileage with proper maintenance. However, typical wear items like suspension components (shocks, struts, bushings) may require attention in higher-mileage vehicles, especially those driven on rougher roads. Brake wear can also be a factor, with some owners reporting faster-than-average pad and rotor replacement needs. Overall, the Sedona is a dependable vehicle, but these specific points warrant careful inspection before purchase and consistent maintenance thereafter.

How long will the 2018 KIA Sedona last?

With diligent maintenance, a 2018 KIA Sedona can reliably serve its owners for an impressive duration, typically reaching 150,000 to 200,000 miles, and often exceeding 10 to 15 years of service. Its 3.3L V6 engine and 6-speed automatic transmission are generally considered durable powertrains, contributing significantly to its longevity. However, like many vehicles, certain components may show weaknesses over time. Long-term owners might face issues with the power sliding door mechanisms, which can become finicky. The infotainment system, while advanced for its time, may experience occasional glitches or slower performance as it ages. Suspension components, such as shocks and bushings, will naturally wear down, especially with heavy family use. Regular fluid changes, tire rotations, and addressing minor issues promptly are crucial for maximizing the Sedona's lifespan and mitigating these potential age-related weaknesses.

What Technology & Safety Features are Included?

The 2018 KIA Sedona offered a competitive suite of technology, entertainment, and safety features designed for family convenience and protection. Standard across all trims was a 7-inch touchscreen infotainment system that included Android Auto™ and Apple CarPlay® integration, Bluetooth® connectivity, and a rearview camera, ensuring modern smartphone connectivity and basic parking assistance. Higher trims, starting with the EX, upgraded to an 8-inch touchscreen that often included integrated navigation, offering a more premium user experience and better visual clarity.

For entertainment, the Sedona could be optioned with a rear-seat entertainment system, perfect for keeping passengers engaged on long journeys. The top-tier SX Limited trim boasted a premium Harman Kardon® surround-sound audio system, delivering an immersive listening experience. Multiple USB ports and 12V power outlets were distributed throughout the cabin to keep devices charged.

Driver-assistance features were largely optional or reserved for higher trims, forming part of KIA's Advanced Driver-Assistance Systems (ADAS) suite. These included:
  • Blind-Spot Collision Warning (BCW)
  • Rear Cross-Traffic Collision Warning (RCCW)
  • Lane Departure Warning (LDW)
  • Forward Collision Warning (FCW)
  • Autonomous Emergency Braking (AEB), which could apply brakes to prevent or mitigate a frontal collision
  • Smart Cruise Control (SCC) for adaptive cruising
  • Surround View Monitor (SVM), providing a 360-degree view around the vehicle for easier parking

Standard safety features across all trims included dual front airbags, front seat-mounted side airbags, full-length side curtain airbags, a Traction Control System (TCS), Electronic Stability Control (ESC), and Hill-start Assist Control (HAC).

In terms of crash-test ratings, the 2018 KIA Sedona performed commendably:
  • The National Highway Traffic Safety Administration (NHTSA) awarded the 2018 Sedona an overall 5-star safety rating, its highest possible score, reflecting strong performance in frontal, side, and rollover crash tests.
  • The Insurance Institute for Highway Safety (IIHS) gave the 2018 Sedona "Good" ratings in all five crashworthiness tests (small overlap front-driver's side, moderate overlap front, side, roof strength, and head restraints & seats). When equipped with optional front crash prevention technology and specific headlights, it also earned a "Top Safety Pick" award, highlighting its strong protective capabilities.

What Colors Options are Available?

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2018 KIA Sedona Prices and Market Value

When new, the 2018 KIA Sedona had a starting MSRP ranging from approximately $27,000 for the base L trim to about $42,000 for the fully loaded SX Limited. These prices positioned it as a strong value contender against rivals.

In the current used market, prices for a 2018 KIA Sedona typically range from around $15,000 to $25,000, heavily depending on the trim level, mileage, condition, and optional features. Minivans, in general, tend to depreciate at a faster rate than their SUV counterparts, and the Sedona is no exception. Factors affecting its resale value include its overall condition, documented maintenance history, whether it was involved in accidents, and the popularity of its specific trim and feature set. Higher trims with desirable features like advanced safety tech and premium interiors tend to hold their value slightly better within the minivan segment, but the initial depreciation hit is still significant compared to more coveted vehicle types. A clean title and low mileage will always command higher prices.

2018 KIA Sedona Cost of Ownership

The 2018 KIA Sedona is generally considered an economical vehicle to own in the long run. Insurance costs are typically average for a minivan, often less expensive than comparable SUVs due to their lower theft rates and generally safer driving profiles. Fuel costs are moderate; while its 3.3L V6 engine isn't the most fuel-efficient in the segment (averaging 18-21 MPG combined), it's competitive for its power output. Routine maintenance expenses are standard for a family vehicle, with parts generally being reasonably priced and accessible. Major repair costs can be significant, as with any modern vehicle, but KIA's strong warranty coverage (if transferable to a used buyer) helps mitigate early potential issues. Overall, the Sedona offers a good balance of upfront value and manageable ongoing ownership costs.

2018 KIA Sedona Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity -
City Mileage 18 miles/gallon
Highway Mileage 24 miles/gallon

2018 KIA Sedona Safety Rating

NHTSA
Overall Rating
Overall Frontal Star Rating
Side Overall Star Rating
Overall Rollover Star Rating
Combined Front Seat Rating
Combined Rear Seat Rating
Overall Frontal Star Rating
Frontal Barrier Star Ratings Not Tested
Overall Side Star Rating
Side Barrier Star Ratings
Side Pole Star Rating
Combined Side Barrier And Side Pole Star Ratings Not Tested
Rollover Resistance Star Rating

2018 KIA Sedona Recalls & Defects

Structure:body:door
Recall date 2018-05-23
Recall no. 18v338000
Source NHTSA
Summary KIA Motors America (Kia) IS Recalling Certain 2015-2018 KIA Sedona Vehicles Equipped With A Power Sliding Door (Psd). THE PSD MAY NOT Auto-Reverse When ITS Closing IS Obstructed.
Consequence IF THE Door Closes ON AN Occupant, There IS AN Increased Risk OF AN Injury.
Remedy KIA Will Notify Owners, and Dealers Will Reprogram THE PSD Module Software, Free OF Charge. THE Recall Began ON June 18, 2018. Owners MAY Contact KIA Customer Service AT 1-800-333-4542. Kia's Number FOR This Recall IS Sc164.
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.
Electrical System:software
Recall date 2018-05-23
Recall no. 18v338000
Source NHTSA
Summary KIA Motors America (Kia) IS Recalling Certain 2015-2018 KIA Sedona Vehicles Equipped With A Power Sliding Door (Psd). THE PSD MAY NOT Auto-Reverse When ITS Closing IS Obstructed.
Consequence IF THE Door Closes ON AN Occupant, There IS AN Increased Risk OF AN Injury.
Remedy KIA Will Notify Owners, and Dealers Will Reprogram THE PSD Module Software, Free OF Charge. THE Recall Began ON June 18, 2018. Owners MAY Contact KIA Customer Service AT 1-800-333-4542. Kia's Number FOR This Recall IS Sc164.
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.
Electrical System:wiring
Recall date 2019-02-19
Recall no. 19v109000
Source NHTSA
Summary KIA Motors America (Kia) IS Recalling Certain 2015-2018 Sedona Vehicles Equipped With Manually-Adjusted Front Passenger Seats. Over Time, THE Occupant Detection System (Ods) Wiring Harness Located Underneath THE Front Passenger Seat MAY Break From THE Seat Being Occupied.
Consequence IF A Child IS IN A Child Seat IN THE Front Seat, A Broken ODS Wiring Harness Will NOT Prevent THE Front Passenger AIR BAG From Deploying IN THE Event OF A Crash, Increasing THE Risk OF Injury TO THE Child.
Remedy KIA Will Notify Owners, and Dealers Will Remove THE Wire Harness Clip TO Prevent THE Wiring Harness From Breaking. IF THE Harness IS Found Damaged, THE Front Passenger Seat Cushion Will BE Replaced. These Repairs Will BE Performed Free OF Charge. THE Recall Began March 19, 2019. Owners MAY Contact KIA Customer Service AT 1-800-333-4542. Kia's Number FOR This Recall IS Sc175.
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.
AIR Bags
Recall date 2022-01-25
Recall no. 22v031000
Source NHTSA
Summary KIA Motors America (Kia) IS Recalling Certain 2017-2019 Sedona, Soul, Soul EV, 2017-2018 Forte, and 2017 Forte Koup Vehicles. THE AIR BAG Control Unit (Acu) Cover MAY Contact A Memory Chip ON THE Printed Circuit Board and Damage THE Electrical Circuit. Circuit Damage MAY Result IN Deactivated AIR Bags That Will NOT Deploy IN A Crash.
Consequence AIR Bags That DO NOT Deploy AS Intended CAN Increase THE Risk OF Injury IN A Crash.
Remedy Dealers Will Inspect THE Acu, and Either Update THE Software or Replace THE Unit, AS Necessary. Repairs Will BE Performed Free OF Charge. Owner Notification Letters Were Mailed March 21, 2022. Owners MAY Contact KIA Customer Service AT 1-800-333-4542. Kia's Number FOR This Recall IS Sc226.
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 Sedona Insurance

Insurance for a 2018 KIA Sedona is moderately priced, reflecting its status as a Sport Utility Vehicle with strong safety ratings and
reasonable repair costs.

How Does the 2018 KIA Sedona Compare to Other Sport Utility Vehicle?

The 2018 KIA Sedona competes in a tough minivan segment dominated by established players like the Honda Odyssey, Toyota Sienna, and Chrysler Pacifica.

Performance: The Sedona's 276-hp 3.3L V6 offers solid acceleration and a smooth ride, but it generally feels less agile and dynamic than the Honda Odyssey, which is often praised for its car-like handling. The Toyota Sienna, with its powerful V6, offers comparable straight-line performance but typically a softer ride. The Chrysler Pacifica's V6 is also strong, offering a balanced ride and handling.

Features: This is where the Sedona often shines. It consistently offered a more upscale interior design and a generous list of standard features, especially in lower to mid-range trims, compared to its rivals. The 7-inch touchscreen with Android Auto™ and Apple CarPlay® was standard across the board, which was a significant value proposition. Higher trims of the Sedona could rival the luxury feel of more expensive vehicles. The Pacifica, however, often leads in innovative features like Stow 'n Go seating and advanced infotainment.

Reliability: While the Sedona is generally considered reliable, it doesn't quite match the legendary reputation of the Toyota Sienna or Honda Odyssey for bulletproof long-term durability. Owners have occasionally reported issues with power sliding doors and infotainment systems. However, KIA's industry-leading 10-year/100,000-mile powertrain warranty (for original owners) provides a significant peace of mind that rivals typically don't match.

Price: The Sedona's most compelling argument is its price. It consistently undercut its primary competitors, offering a strong feature-to-price ratio that made it an attractive option for budget-conscious families seeking premium amenities without the premium price tag.

Alternatives:
  • Honda Odyssey: Recommended for those prioritizing driving dynamics, innovative seating solutions (Magic Slide), and strong resale value, though often at a higher price point.
  • Toyota Sienna: The go-to for unparalleled long-term reliability, available All-Wheel Drive (AWD), and a reputation for holding value well, albeit with a design that felt older than the Sedona's.
  • Chrysler Pacifica: Ideal for buyers who value cutting-edge technology, versatile Stow 'n Go seating, and the option of a plug-in hybrid powertrain, though its reliability track record can be more mixed.

The 2018 KIA Sedona remains a strong contender, especially for those seeking a stylish, well-equipped, and comfortable minivan at a compelling price point, offering a blend of features and value that often surpassed its more expensive rivals.

Final Verdict: Is the 2018 KIA Sedona a Good Sport Utility Vehicle?

The 2018 KIA Sedona is an ideal vehicle for families who desire a stylish, comfortable, and well-appointed minivan without the top-tier price tag of some rivals. It's particularly suited for buyers who appreciate a more upscale interior design and a robust V6 engine.

It is absolutely worth buying, especially as a used vehicle. On the used market, the Sedona offers exceptional value, providing significant depreciation savings from its new price. We recommend focusing on the EX or SX trims, as they offer the best balance of desirable features like leather seating, power sliding doors, advanced infotainment, and essential driver-assistance systems. When considering a purchase, prioritize units with a complete service history, ensure all recalls have been addressed, and specifically check the functionality of the power sliding doors and infotainment system. For those seeking a near-luxury experience at a mainstream price, a well-maintained SX Limited can be an outstanding find. It's a smart choice for practical families who don't want to compromise on style or features.

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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.