2018 Kia Sedona Depreciation
A 8-year-old 2018 Kia Sedona has lost about 59.3% of its roughly $29,000 original value. In the 2026 source cohort, it typically listed for around $13,024, with most listings between $9,638 and $17,571. Listed examples average 97,632 miles.

2018 Kia Sedona Price by Mileage
What buyers actually pay at different odometer readings.
How Mileage Affects 2018 Kia Sedona Price
Each dot is a real listing — price plotted against odometer reading.
| Mileage | Median price | Listings |
|---|---|---|
| 50k–75k mi | $16,694 | 11 |
| 75k–100k mi | $13,293 | 14 |
| 100k–130k mi | $11,985 | 13 |
| Over 130k mi | $8,757 | 9 |
What's a Good Price for a 2018 Kia Sedona?
Great deal
Under $11,263
Typical
$11,263–$15,905
Overpriced
Above $15,905
Based on the middle 50% of listings — always adjust for mileage and condition.
Price Spread
Range across 53 listings.
Half of all listings fall between $11,263 and $15,905, with a median of $13,024.
2018 Kia Sedona Efficiency & Specs
EPA fuel-economy and powertrain data.
Combined
20 MPG
City / Hwy
18 / 24
Fuel / year
$3,000
Fuel
Regular
Engine
3.3L 6-cyl
EPA class
Minivan - 2WD
Depreciation by Trim
See how each 2018 Kia Sedona trim holds its value.
How the 2018 Kia Sedona Compares to Other Years
At 59.3% depreciation, the 2018 Kia Sedona sits among its neighbors on the depreciation curve. The one-year-newer 2019 has lost 53.5% (around $14,974), so stepping up a model year costs roughly $1,950 more. The older 2017 sits at 66.7% (around $9,997), so dropping back a year saves about $3,027. Buying one model year newer or older is one of the easiest ways to trade purchase price against age and remaining warranty.
Safety Ratings
NHTSA crash test ratings for the 2018 Kia Sedona.
Known Issues & Complaints
47 NHTSA complaints, 3 recalls reported.
ENGINE
17 complaintsThe vehicle is a 2018 Kia Sedona with approximately 122,000 miles that experienced a catastrophic engine failure resulting in complete engine seizure. The failure has been identified by an independent mechanic as a rod bearing issue. The en
ELECTRICAL SYSTEM
11 complaintsThe contact owns a 2018 Kia Sedona. The contact stated that the air bag and the check engine warning lights were illuminated. The vehicle failed to start and was towed to the dealer, where it was diagnosed with alternator failure; however,
AIR BAGS
4 complaintsIn 2022, our airbag light came on. On 5/10/2022 am Airbag recall was issued and it was fixed. The airbag computer/module was fixed. We got into an accident in August of 2022, and our airbags never went off. And the airbag light has never sh
STRUCTURE
2 complaintsDriver Side door stuck in the closed position. Electric Motor does not work.
UNKNOWN OR OTHER
2 complaintsSomething came through the front grill and damaged the a/c condenser. Grill is open holes and doesn’t provide enough protection to the condenser and radiator.
WHEELS
2 complaintsAT 18,870 MILES THE LEFT FRONT TIRE OF MY 2018 KIA SEDONA SX LIMITED (ORIGINAL TO VAN KUMHO CRUGEN 235/55/R19) BEGAN TO PULL TO THE LEFT DURING HIGHWAY DRIVING. WENT TO LOCAL FIRESTONE DEALER. THEY PLACED THE TIRE ON THE RIGHT SIDE AND PULL
Top Issues
- ENGINE
- ELECTRICAL SYSTEM
- AIR BAGS
- STRUCTURE
- UNKNOWN OR OTHER
Buyer Red Flags
- !Recall 18V338000 (STRUCTURE): 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.
- !Recall 22V031000 (AIR BAGS): 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 mem
- !Recall 19V109000 (ELECTRICAL SYSTEM): 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
Frequently Asked Questions
How much is a 2018 Kia Sedona worth?
A 2018 Kia Sedona is typically worth around $13,024, with most listings falling between $9,638 and $17,571. The single biggest swing factor is mileage — listed examples average about 97,632 miles, and each additional 10,000 miles shaves a few percent off the price. Condition, accident history, trim, and how many owners a car has had move the number from there. Treat the median as a fair starting point and adjust up for a clean, low-mileage, one-owner car or down for higher mileage and any reported damage.
How much has the 2018 Kia Sedona depreciated?
The 2018 Kia Sedona has lost about 59.3% of its original $29,000 base MSRP — roughly $17,197 in value, after adjusting listing prices to typical mileage for the age. Most of a car's lifetime depreciation happens in its earliest years, so a vehicle of this age has usually weathered the steepest part of the curve already. That's what makes a well-kept example at this age an efficient buy: you let the original owner absorb the fastest depreciation, then enjoy a much slower decline from here.
How many miles does a used 2018 Sedona have?
Listed 2018 Sedonas average about 97,632 miles, with most between 56,258 and 136,966. As a rule of thumb, "average" mileage for any car is roughly 12,000 miles per year of age, so compare a specific listing against that benchmark. A below-average odometer commands a premium and an above-average one a discount, but a higher-mileage car with complete service records and one owner can be a better buy than a low-mileage car with gaps in its history. Consistent maintenance does more for a car's remaining lifespan than a low number on the odometer alone.
What is a good price for a 2018 Kia Sedona?
For a 2018 Kia Sedona, anything under $11,263 is a strong deal, $11,263 to $15,905 is the typical range where most cars trade, and above $15,905 is on the expensive side — those higher prices usually buy lower mileage, a certified warranty, or a premium trim. Always weigh the asking price against the car's specific mileage and condition rather than the sticker alone: a slightly higher price for a clean, one-owner, accident-free example is often money well spent. And treat a listing priced well below the range as a prompt to dig deeper — unusually cheap cars almost always have a reason, whether it's high mileage, accident history, or a branded title.
Methodology
Figures for the 2018 Kia Sedona are computed from 53 real used-car listings. Each asking price is normalized to a standard 12,000 miles per year for the car's age, adjusted by a 5% asking-to-sale estimate, and compared against the original base MSRP for that VIN's trim. Full methodology. Updated August 2026.