Used 2018 Kia Optima S for SaleNationwide
61 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:
- Gray (Platinum Graphite)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 104,121
- Stock #:
- WR1109BW
- VIN:
- 5XXGT4L36JG218415
New arrival
2018 Kia Optima
S
104,121 mi
Warsaw, IN
Fair Deal
$12,149
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- 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
2018 Kia Optima
S
51,730 mi
East Hartford, CT
Fair Deal
$15,899
- 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:
- 102,795
- Stock #:
- 10301
- VIN:
- 5XXGT4L35JG238686
2018 Kia Optima
S
102,795 mi
Warminster, PA
Good Deal
$10,226
- 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
Price drop
-$800
2018 Kia Optima
S
92,758 mi
Hazlet, NJ
Good Deal
$10,785
$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:
- 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:
- Snow White Pearl
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 87,259
- Stock #:
- p18772
- VIN:
- 5XXGT4L39JG228517
New arrival
2018 Kia Optima
S
87,259 mi
Kennewick, WA
Fair Deal
$13,170
- 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:
- 6-Speed Automatic
- Mileage:
- 56,085
- Stock #:
- JG236454
- VIN:
- 5XXGT4L37JG236454
New arrival
2018 Kia Optima
S
56,085 mi
Mission, KS
Good Deal
$13,684
- 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:
- Ebony Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 119,997
- Stock #:
- SR2957A
- VIN:
- 5XXGT4L38JG230968
2018 Kia Optima
S
119,997 mi
Indianapolis, IN
Fair Deal
$9,572
- 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:
- 87,254
- Stock #:
- A25935
- VIN:
- 5XXGT4L39JG216156
New arrival
2018 Kia Optima
S
87,254 mi
Shawnee, KS
Fair Deal
$13,695
- 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:
- 113,597
- Stock #:
- 12524
- VIN:
- 5XXGT4L3XJG231152
2018 Kia Optima
S
113,597 mi
Knoxville, TN
Fair Deal
$11,319
- Year:
- 2018
- Make:
- Kia
- Model:
- Optima
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 185 hp 2.4L I4
- Exterior color:
- Remington Red Metallic
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 96,926
- Stock #:
- 26439B
- VIN:
- 5XXGT4L38JG236673
New arrival
2018 Kia Optima
S
96,926 mi
Owatonna, MN
Fair Deal
$12,345
- 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
$12,022
- 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:
- 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
$10,215
- 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:
- 70,448
- Stock #:
- DJ21089B
- VIN:
- 5XXGT4L39JG209997
2018 Kia Optima
S
70,448 mi
Selma, NC
Fair Deal
$14,689
- 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
- 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
$8,125
- 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:
- 103,233
- Stock #:
- 214062
- VIN:
- 5XXGT4L31JG214062
2018 Kia Optima
S
103,233 mi
Lawrenceville, GA
Fair Deal
$10,918
- 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:
- 92,132
- Stock #:
- MP1839
- VIN:
- 5XXGT4L33JG215178
2018 Kia Optima
S
92,132 mi
Middletown, OH
Fair Deal
$12,388
- 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:
- White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 134,815
- Stock #:
- JG207234
- VIN:
- 5XXGT4L32JG207234
New arrival
2018 Kia Optima
S
134,815 mi
Raleigh, NC
Good Deal
$9,999
- 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
- Mileage:
- 136,276
- Stock #:
- Asset
- VIN:
- 5XXGT4L38JG207870
New arrival
2018 Kia Optima
S
136,276 mi
Murfreesboro, TN
Fair Deal
$9,164
- 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
$10,540
FAQs
How much does the Kia Optima S cost?
The average Kia Optima S costs about $11,099.00. The average price has increased by 1.7% since last year. The 61 for sale on CarGurus range from $7,042 to $17,495 in price.
How many Kia Optima S vehicles have no reported accidents or damage?
30 out of 61 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.
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