Used 2018 Kia Optima S for SaleNationwide
75 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Snow White Pearl
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 51,730
- Stock #:
- N19256Q
- VIN:
- 5XXGT4L32JG240492
Price drop
-$1,055
2018 Kia Optima
S
51,730 mi
East Hartford, CT
Good Deal
$15,399
$14,344
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Gray (Platinum Graphite)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 95,864
- Stock #:
- RP10731
- VIN:
- 5XXGT4L33JG228397
2018 Kia Optima
S
95,864 mi
East Rochester, NY
Good Deal
$11,057
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Red
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 36,197
- Stock #:
- NB236675
- VIN:
- 5XXGT4L31JG236675
2018 Kia Optima
S
36,197 mi
Mooresville, IN
Good Deal
$13,995
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Ebony Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 107,709
- Stock #:
- 241458W
- VIN:
- 5XXGT4L37JG241458
New arrival
2018 Kia Optima
S
107,709 mi
Naugatuck, CT
Great Deal
$8,985
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Gray (Platinum Graphite)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 80,421
- Stock #:
- 20340
- VIN:
- 5XXGT4L35JG239885
2018 Kia Optima
S
80,421 mi
El Cajon, CA
Good Deal
$12,244
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic
- Mileage:
- 128,566
- Stock #:
- 26193
- VIN:
- 5XXGT4L35JG244732
New arrival
2018 Kia Optima
S
128,566 mi
Modesto, CA
Fair Deal
$10,053
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Ebony Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 20,351
- VIN:
- 5XXGT4L31JG245618
New arrival
2018 Kia Optima
S
20,351 mi
Bronx, NY
Good Deal
$13,995
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 83,985
- Stock #:
- 24098
- VIN:
- 5XXGT4L30JG211556
2018 Kia Optima
S
83,985 mi
Reseda, CA
Fair Deal
$10,788
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 92,758
- Stock #:
- A791
- VIN:
- 5XXGT4L38JG206721
2018 Kia Optima
S
92,758 mi
Hazlet, NJ
Good Deal
$9,985
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Red
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 61,255
- Stock #:
- 241223
- VIN:
- 5XXGT4L32JG241223
New arrival
2018 Kia Optima
S
61,255 mi
Berlin, NJ
Fair Deal
$14,394
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Snow White Pearl
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 87,259
- Stock #:
- p18772
- VIN:
- 5XXGT4L39JG228517
Price drop
-$692
2018 Kia Optima
S
87,259 mi
Kennewick, WA
Good Deal
$13,170
$12,478
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Red
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 88,499
- Stock #:
- JG195035
- VIN:
- 5XXGT4L30JG195035
New arrival
2018 Kia Optima
S
88,499 mi
Savanna, IL
Good Deal
$11,808
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Blue
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 94,038
- Stock #:
- SBSN088
- VIN:
- 5XXGT4L35JG192051
2018 Kia Optima
S
94,038 mi
Lombard, IL
Good Deal
$10,460
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Blue
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 6-Speed Automatic
- Mileage:
- 140,468
- Stock #:
- 679
- VIN:
- 5XXGT4L34JG202519
2018 Kia Optima
S
140,468 mi
Abington, MA
Fair Deal
$8,493
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Horizon Blue
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 113,243
- Stock #:
- 127010A
- VIN:
- 5XXGT4L36JG241550
2018 Kia Optima
S
113,243 mi
Pocomoke City, MD
Good Deal
$10,796
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Gray (Platinum Graphite)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 89,814
- Stock #:
- 1530
- VIN:
- 5XXGT4L39JG247455
2018 Kia Optima
S
89,814 mi
Lakewood, WA
Fair Deal
$12,695
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 133,238
- VIN:
- 5XXGT4L39JG241641
2018 Kia Optima
S
133,238 mi
San Diego, CA
Great Deal
$6,568
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 88,080
- Stock #:
- MH2665A
- VIN:
- 5XXGT4L30JG217891
New arrival
2018 Kia Optima
S
88,080 mi
Michigan City, IN
Fair Deal
$13,038
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Snow White Pearl
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 112,301
- Stock #:
- JG236991
- VIN:
- 5XXGT4L30JG236991
2018 Kia Optima
S
112,301 mi
Gainesville, GA
Fair Deal
$9,937
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 6-Speed Automatic
- Mileage:
- 108,922
- Stock #:
- 15474
- VIN:
- 5XXGT4L3XJG246766
2018 Kia Optima
S
108,922 mi
Tinley Park, IL
Fair Deal
$11,000
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Blue
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 120,761
- Stock #:
- C2488
- VIN:
- 5XXGT4L38JG245325
2018 Kia Optima
S
120,761 mi
Houston, TX
Good Deal
$7,715
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 100,118
- Stock #:
- C2553
- VIN:
- 5XXGT4L33JG195269
2018 Kia Optima
S
100,118 mi
Houston, TX
Good Deal
$9,715
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Blue
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 77,194
- Stock #:
- 192055
- VIN:
- 5XXGT4L32JG192055
New arrival
2018 Kia Optima
S
77,194 mi
Arlington, TX
Great Deal
$10,149
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 74,314
- Stock #:
- -263560
- VIN:
- 5XXGT4L39JG263560
2018 Kia Optima
S
74,314 mi
West Palm Beach, FL
Fair Deal
$15,988
FAQs
How much does the Kia Optima S cost?
The average Kia Optima S costs about $10,666.20. The average price has decreased by -0.3% since last year. The 75 for sale on CarGurus range from $4,700 to $20,170 in price.
How many Kia Optima S vehicles have no reported accidents or damage?
28 out of 75 for sale have no reported accidents or damage.
What is the fuel economy of the Kia Optima S?
Depending on the engine and options, the Kia Optima S gets between 27 and 27 MPG/MPGe.
What fuel types are available?
Gasoline engines are available.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
Relevant articles
George Kennedy
Who Makes Kia Cars?
Kia is a Korean automaker that makes a full line of cars, SUVs, and electric vehicles. Hyundai is its parent company, owning roughly 34% of Kia. Like Hyundai, Kia vehicles are highly competitive in their respective vehicle segments and offer shoppers a value buy in many segments.
Craig Fitzgerald
The Best Car Infotainment Systems in 2023
Rating the best infotainment systems might seem kind of silly. The idea when you buy a new car is to find one that’s safe and reliable and holds its value, right?
All Used CarsManual Transmission CarsLuxury CarsCars with Red InteriorCheap Manual CarsHybrid CarsSports CarsElectric SUVsCheap TrucksSmall CarsThird Row SUVsThree Quarter Ton TrucksLifted TrucksManual Transmission TrucksDiesel TrucksHybrid SUVsDually TrucksOne Ton TrucksCheap SUVsLifted Ford Trucks4x4 TrucksWork TrucksAWD SUVsFord TrucksChevrolet TrucksToyota TrucksTrucks Under $10,000Cars Under $15,000Sports Cars Under $20,000Trucks Under $20,000Used Sedans for Sale with Low MileageUsed SUVs / Crossovers for Sale with Low MileageUsed Hatchbacks for Sale with Low MileageUsed Convertibles for Sale with Low MileageUsed Vans for Sale with Low MileageUsed Minivans for Sale with Low MileageUsed Pickup Trucks for Sale with Low MileageUsed Coupes for Sale with Low MileageUsed Wagons for Sale with Low Mileage
