2018 Hyundai Sonata Depreciation
A 8-year-old 2018 Hyundai Sonata has lost about 53.0% of its roughly $23,700 original value. In the 2026 source cohort, it typically listed for around $12,806, with most listings between $9,457 and $15,948. Listed examples average 90,696 miles.

2018 Hyundai Sonata Price by Mileage
What buyers actually pay at different odometer readings.
How Mileage Affects 2018 Hyundai Sonata Price
Each dot is a real listing — price plotted against odometer reading.
| Mileage | Median price | Listings |
|---|---|---|
| Under 30k mi | $18,214 | 7 |
| 30k–50k mi | $16,361 | 15 |
| 50k–75k mi | $14,894 | 37 |
| 75k–100k mi | $13,211 | 64 |
| 100k–130k mi | $10,446 | 53 |
| Over 130k mi | $8,049 | 24 |
What's a Good Price for a 2018 Hyundai Sonata?
Great deal
Under $10,285
Typical
$10,285–$14,961
Overpriced
Above $14,961
Based on the middle 50% of listings — always adjust for mileage and condition.
Price Spread
Range across 200 listings.
Half of all listings fall between $10,285 and $14,961, with a median of $12,806.
2018 Hyundai Sonata Efficiency & Specs
EPA fuel-economy and powertrain data.
Combined
28 MPG
City / Hwy
25 / 35
Fuel / year
$2,200
Fuel
Regular
Engine
1.6L 4-cyl
EPA class
Large Cars
Depreciation by Trim
See how each 2018 Hyundai Sonata trim holds its value.
How the 2018 Hyundai Sonata Compares to Other Years
At 53.0% depreciation, the 2018 Hyundai Sonata sits among its neighbors on the depreciation curve. The one-year-newer 2019 has lost 48.4% (around $12,999), so stepping up a model year costs roughly $193 more. The older 2017 sits at 59.7% (around $10,263), so dropping back a year saves about $2,543. 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 Hyundai Sonata.
Known Issues & Complaints
364 NHTSA complaints, 1 recalls reported.
ENGINE
123 complaintsI purchased my vehical at Car Culture in Warren, Oh. The dealer said to only take it there for maintenance, so I did as required. Whenever the check engine light came on I would bring it there and they would say it was a sensor and they fix
ELECTRICAL SYSTEM
51 complaintsWe think there’s an issue with the abs module and wheel speed sensor because we started having a problem where the brakes wouldn’t work or would stutter. The car would shake real bad it would make an awful grinding sound but normally only w
UNKNOWN OR OTHER
44 complaintsI was only in the car for about 4 minutes then came to a stop light. Once the light had turned green I pressured down on the gas, my car rolled for a second then died on me, causing it to go into accessory mode. Instantly three lights came
POWER TRAIN
36 complaintsCheck engine light solid/engine failure while driving. 2018 Sonata SE purchased new in fall 2018. Around 50,000 miles started noticing oil level drop and had to add more before next scheduled change. Dealership service center said I just ha
EXTERIOR LIGHTING
18 complaintsTHE HEADLIGHT LOW BEAMS ARE DANGEROUS AND NEED TO BE RECALLED ASAP? After his death, I acquired this vehicle from my father who had stopped driving at night thinking he had developed a vision issue. The first time I drove it at night I disc
STRUCTURE
14 complaintsThe trunk latch on the Hyundai Sonata malfunctioned, and our safety was put at risk when the trunk malfunctioned while driving on the freeway, obstructing the back view. After several attempts to try to close the trunk and after doing some
Top Issues
- ENGINE
- ELECTRICAL SYSTEM
- UNKNOWN OR OTHER
- POWER TRAIN
- EXTERIOR LIGHTING
Buyer Red Flags
- !Recall 21V619000 (LATCHES/LOCKS/LINKAGES): Hyundai Motor America (Hyundai) is recalling certain 2017-2018 Sonata, 2016-2018 Sonata Hybrid, 2018-2020 Accent, and 2016-2017 Azera vehicles. The trunk latch may become damaged,
Frequently Asked Questions
How much is a 2018 Hyundai Sonata worth?
A 2018 Hyundai Sonata is typically worth around $12,806, with most listings falling between $9,457 and $15,948. The single biggest swing factor is mileage — listed examples average about 90,696 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 Hyundai Sonata depreciated?
The 2018 Hyundai Sonata has lost about 53.0% of its original $23,700 base MSRP — roughly $12,561 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 Sonata have?
Listed 2018 Sonatas average about 90,696 miles, with most between 56,954 and 124,490. 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 Hyundai Sonata?
For a 2018 Hyundai Sonata, anything under $10,285 is a strong deal, $10,285 to $14,961 is the typical range where most cars trade, and above $14,961 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 Hyundai Sonata are computed from 200 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.